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Xiaomi POCO F2 Pro / Redmi K30 Pro Battery BM4Q 4000mAh

Xiaomi POCO F2 Pro / Redmi K30 Pro Battery BM4Q 4000mAh






Why Choose ESC POCO F2 Pro / Redmi K30 Pro Battery?

Professional Xiaomi Battery Manufacturer

ESC is an experienced Xiaomi battery manufacturer serving mobile phone repair shops, refurbishment facilities, phone-parts wholesalers, repair chains, distributors and private label battery brands.

An experienced research and development team, automated production equipment and standardized inspection procedures support stable specifications and consistent repeat-order quality.

Factory-Direct Wholesale Supply

Purchasing from a factory direct battery wholesaler provides professional buyers with direct access to production, inspection, OEM customization, private packaging and after-sales support.

ESC supports sample evaluation, single-model purchasing, mixed-model orders and long-term bulk battery supply programs.

Shared BM4Q Compatibility

The BM4Q replacement platform is designed for compatible Xiaomi POCO F2 Pro and Redmi K30 Pro devices.

Shared compatibility helps repair businesses and wholesalers simplify SKU management, reduce duplicate inventory and improve stock turnover.

Pure-Cobalt Lithium-Ion Cell

The replacement battery uses a brand-new pure-cobalt lithium-ion cell designed to provide controlled internal resistance, stable voltage output and consistent charging and discharging performance.

Its listed cycle-life target is more than 800 charging cycles under suitable charging, storage and operating conditions.

Strict Quality Control

Quality inspections cover battery appearance, dimensions, voltage, internal resistance, measured capacity, charging behavior, discharging performance, protection functions and aging performance.

ESC states a factory defect-rate target below 0.1% and a customer-reported defect rate below 1%. ESC

Integrated PCM Protection

The PCM board provides protection against overcharging, over-discharging and short circuits.

The protection board, flex cable, connector and contact points are inspected before shipment to reduce electrical abnormalities and installation-related failures.

OEM Battery Factory Support

As an OEM battery factory, ESC supports custom battery labels, customer logos, barcode labels, retail boxes, instruction cards, warranty cards and export-carton markings.

These services help wholesalers, distributors and private label battery suppliers build differentiated Xiaomi and POCO replacement battery ranges.

Flexible Wholesale MOQ

The standard single-model MOQ is 20 pieces. Mixed-model wholesale orders can start from 100 pieces, depending on the selected batteries, packaging and customization requirements.

Samples are available for professional buyers to evaluate before approving a larger order.

Stable Lead Time and Warranty

Standard battery orders can normally be prepared within approximately seven days when stock and materials are available.

A 12-month supplier warranty is available for qualified product-quality issues.

Global Battery Shipping

Available shipping methods include DHL, UPS, air freight, sea freight, railway freight and road transportation.

The appropriate transportation route can be selected according to the destination, quantity, customs requirements, delivery schedule and shipping budget.

Quick Specifications

Specification Details
Product Name Xiaomi POCO F2 Pro / Redmi K30 Pro Replacement Battery
Battery Model BM4Q
Compatible Devices Xiaomi POCO F2 Pro and Redmi K30 Pro
Main Compatible Series M2004J11 and M2001J11 Series
Battery Type Rechargeable Lithium-Ion Battery
Cell Material Brand-New Pure-Cobalt Cell
ESC Listed Capacity 4000mAh
Standard Voltage 3.82V
Product Configuration Replacement Battery With Flex Connection and PCM
Protection Functions Overcharge, Over-Discharge and Short-Circuit Protection
Cycle-Life Target More Than 800 Charging Cycles
Listed Charging Time Approximately 1–3 Hours
Listed Standby Time Approximately 3–7 Days, Depending on Device Use
Working Temperature -10°C to 50°C
Factory Defect-Rate Target Below 0.1%
Customer-Reported Defect Rate Below 1%
Standard Lead Time Within Approximately 7 Days
Warranty 12 Months
Single-Model MOQ 20 Pieces
Mixed-Model MOQ 100 Pieces
OEM Service Custom Logo, Battery Label, Barcode and Private Packaging
Available Certifications and Documents CE, FCC, RoHS, MSDS, UN38.3, PSE, KC, IEC 62133 and TISI
Express Shipping DHL or UPS, Approximately 3–6 Days
Air Freight Available According to Destination and Quantity
Sea Freight Approximately 20–40 Days
Railway Freight Approximately 30–35 Days
Road Transportation Approximately 20–25 Days
Shipping Port Shenzhen
Payment Methods T/T, Western Union, L/C, PayPal, MoneyGram and Credit Card

The ESC product page lists this BM4Q replacement battery at 4000mAh and 3.82V. POCO publishes the F2 Pro device with a 4700mAh typical battery, so professional buyers should verify measured capacity and runtime during sample approval. ESC

POCO F2 Pro battery

What Is a POCO F2 Pro / Redmi K30 Pro Battery?

Product Definition

A POCO F2 Pro battery is a 4000mAh, 3.82V Li-ion replacement battery using the BM4Q reference. ESC is a Xiaomi battery manufacturer, phone battery supplier and OEM battery factory providing strict QC, private labels, bulk supply and global shipping for professional repair markets.

This product is a compatible aftermarket replacement battery. It is not an original Xiaomi or POCO service battery.

Key Features

1. Shared BM4Q Replacement Platform

The BM4Q configuration is designed around the battery compartment, connector position and electrical requirements of compatible POCO F2 Pro and Redmi K30 Pro devices.

Shared compatibility provides a practical inventory option for wholesalers and repair businesses handling both commercial device names.

2. ESC-Listed 4000mAh Capacity

The replacement battery has a listed capacity of 4000mAh and a standard voltage of 3.82V.

Actual runtime depends on measured discharge capacity, device condition, screen brightness, mobile network activity, installed applications, temperature and charging habits.

3. Complete Replacement Configuration

The product includes a model-matched flex connection and PCM protection board rather than being supplied as an unprotected bare cell.

This complete configuration helps professional technicians reduce additional assembly work during battery replacement.

4. More Than 800 Charging Cycles

The pure-cobalt cell has a listed cycle-life target of more than 800 charging cycles under suitable charging, storage and operating conditions.

Actual cycle life depends on charging voltage, discharge depth, operating temperature, charger quality and daily use.

5. OEM and Private Label Support

Custom logos, battery labels, barcode labels, retail boxes, instruction cards, warranty cards and export cartons are available for wholesale and private label orders.

Compatible Xiaomi and POCO Models

Compatible Device Device Model or Series Battery Reference Compatibility Notes
Xiaomi POCO F2 Pro M2004J11G BM4Q Confirm Original Battery Code and Connector
POCO F2 Pro Regional Versions M2004J11 Series BM4Q Verify Battery Dimensions and Flex Orientation
Xiaomi Redmi K30 Pro M2001J11 Series BM4Q Confirm Original Battery Label Before Ordering
Redmi K30 Pro Regional Versions M2001J11 Variants BM4Q Sample Installation Recommended
Redmi K30 Pro Zoom Edition Selected Versions BM4Q Subject to Verification Confirm Original Battery Code and Internal Layout

Xiaomi identifies the global POCO F2 Pro as model M2004J11G. The device is published with a 4700mAh typical battery and 30W fast charging. Xiaomi

Compatibility should be confirmed by checking the exact device model, original BM4Q reference, battery dimensions, flex orientation and connector position.

The BM4Q battery should not be confused with batteries for the POCO F1, POCO F3, Redmi K30, Redmi K30 5G or other POCO and Redmi models.

Applications

Application Description
Mobile Phone Repair Shops Suitable for technicians replacing aged, damaged, swollen, fast-draining or low-capacity POCO F2 Pro and Redmi K30 Pro batteries.
Smartphone Refurbishment Facilities Supports batch refurbishment programs requiring model-specific batteries, controlled specifications and repeat wholesale supply.
Xiaomi and POCO Parts Wholesalers Suitable for wholesalers supplying batteries to repair shops, technicians, service centers and regional distributors.
Repair Chain Stores Centralized purchasing helps repair chains maintain standardized battery references and predictable inventory across multiple locations.
Private Label Battery Brands OEM customization supports customer logos, branded labels, retail packaging, barcodes, instructions and warranty materials.
E-Commerce Battery Sellers Suitable for sellers requiring accurate compatibility information, retail-ready packaging and stable replacement battery inventory.
International Distributors Mixed-model purchasing, export documentation and multiple shipping methods support regional distribution programs.

ESC Replacement Battery vs Original Xiaomi Battery

Comparison Item ESC Replacement Battery Original Xiaomi/POCO Battery
Product Type Compatible Aftermarket Replacement Battery Factory-Installed or Official Service Battery
Compatible Devices POCO F2 Pro and Redmi K30 Pro Original Model-Specific Device
Battery Reference BM4Q Replacement Platform Original Battery Code Should Be Confirmed
Capacity ESC Listed 4000mAh POCO F2 Pro Published at 4700mAh Typical
Standard Voltage ESC Listed 3.82V Original Model-Specific Electrical Specification
Battery Chemistry Pure-Cobalt Lithium-Ion Cell Manufacturer-Selected Rechargeable Battery
Product Condition Brand-New Replacement Battery Brand-New When Originally Installed
Flex Connection Model-Matched Replacement Flex Original Factory Flex
Protection System PCM Protection Board Original Factory Protection System
Protection Functions Overcharge, Over-Discharge and Short-Circuit Protection Integrated Original Protection Functions
Cycle-Life Positioning Listed Target of More Than 800 Cycles Depends on Battery Age and Usage Conditions
Charging System Uses the Device Charging Circuit POCO F2 Pro Supports 30W Fast Charging
Installation Method Professional Repair Installation Required Installed During Manufacturing or Authorized Service
Compatibility Verification Confirmed by Model, Battery Code, Dimensions and Connector Integrated With the Original Device
Branding ESC, Neutral Label or Customized Private Label Original Xiaomi or POCO Identification
Packaging Standard Wholesale or Customized OEM Packaging Original Service-Channel Packaging
Wholesale Availability Available for Professional B2B Purchasing Subject to Official Service-Channel Availability
OEM Labeling Supported Not Available for Third-Party Branding
Private Packaging Supported Not Available
Order Flexibility Single-Model, Mixed-Model and Customized Orders Limited by Official Service-Channel Policies
Single-Model MOQ 20 Pieces Generally Unavailable Through Flexible Wholesale
Warranty 12-Month Supplier Warranty Subject to Original Manufacturer Service Terms
Target Buyers Repair Shops, Refurbishers, Wholesalers and Distributors Original Manufacturing and Authorized Service Networks
Cost Positioning Competitive Professional Replacement Solution Generally Positioned Within the Official Service Ecosystem

The original POCO F2 Pro specification lists a 4700mAh typical battery, while the ESC BM4Q product page lists 4000mAh. Buyers should request measured discharge records and complete sample testing before bulk approval. ESC

Quality Control Process

Incoming Material Inspection

Battery cells, PCM boards, flex cables and connectors are checked for appearance, dimensions, voltage and production consistency before assembly.

Cell Grading

Cells are grouped according to measured capacity, voltage, internal resistance, thickness, appearance and self-discharge performance.

Consistent cell grading helps reduce variation between batteries from the same production batch.

Capacity Verification

Professional battery analyzers are used to verify measured discharge capacity against the approved BM4Q product specification.

Capacity data should be reviewed during sample approval, especially because the ESC replacement capacity differs from the original device’s published typical capacity.

PCM Protection Testing

The PCM board is tested for overcharge, over-discharge and short-circuit protection according to the approved production procedure.

Flex and Connector Inspection

The flex cable, welding points, connector position and contact surfaces are checked for alignment, appearance and electrical continuity.

Charging and Discharging Test

Charging and discharging performance is checked to identify abnormal current, unstable voltage, excessive temperature or early capacity loss.

Aging Inspection

Aging tests help identify abnormal self-discharge and unstable electrical performance before shipment.

Final Inspection

Battery appearance, dimensions, BM4Q reference, flex position, printed information, quantities and packaging are checked before order release.

OEM and Private Label Service

Custom Battery Labels

Customer logos, BM4Q references, capacities, voltages, warning information, batch numbers and traceability codes can be printed on the battery label.

Private Label Packaging

Available options include individual retail boxes, protective trays, barcode labels, instruction cards and warranty cards.

Barcode and SKU Management

Customized product codes, barcode labels and SKU information help wholesalers manage multiple Xiaomi and POCO replacement battery products.

Flexible Branding Options

Buyers can select ESC branding, neutral labels or customized private label designs according to their sales channel and target market.

Mixed-Model Purchasing

Different Xiaomi, Redmi, POCO, Samsung, iPhone, Huawei, OPPO, Vivo, tablet and laptop battery models can be combined according to confirmed quantities.

Export Carton Customization

Outer-carton labels, shipping marks, quantities, battery references and customer branding can be customized for international shipments.

Ordering Information

Quotation Requirements

Provide the required battery model, order quantity, destination country, packaging requirements, logo files, certification requirements and preferred shipping method.

Sample Evaluation

Professional buyers can request samples to evaluate battery dimensions, connector orientation, flex position, measured capacity, voltage stability, device recognition and charging performance.

Compatibility Confirmation

Confirm the exact device model, original BM4Q battery reference, original capacity, battery dimensions and connector position before placing an order.

A photograph of the original battery label is recommended when the regional device version is uncertain.

Bulk Production

Bulk production begins after the battery specification, quantity, label artwork, packaging, payment terms and delivery requirements are confirmed.

Shipping Arrangement

The recommended transportation route is selected according to battery quantity, destination, customs requirements, delivery schedule and shipping budget.

FAQ

1. What is the capacity of the BM4Q replacement battery?

The ESC BM4Q replacement battery is listed at 4000mAh with a standard voltage of 3.82V.

The original POCO F2 Pro device is published with a 4700mAh typical battery, so measured sample capacity should be verified before bulk purchasing.

2. What battery model is used for the POCO F2 Pro and Redmi K30 Pro?

The applicable replacement battery reference is BM4Q.

Buyers should compare the battery code, dimensions, flex position and connector orientation with the original battery before ordering.

3. Can the same BM4Q battery be used for the POCO F2 Pro and Redmi K30 Pro?

The BM4Q replacement platform is listed for compatible versions of both devices.

The exact regional model, original battery code and connector position should still be checked before installation.

4. What device model is associated with the POCO F2 Pro?

The global POCO F2 Pro is identified as model M2004J11G.

Regional versions should be verified using the device settings, rear label or original battery information.

5. Is BM4Q compatible with the standard Redmi K30?

Compatibility should not be assumed.

The Redmi K30, Redmi K30 5G and Redmi K30 Pro are different device platforms and may use different battery shapes, flex cables and connectors.

6. Does the BM4Q battery include a protection board?

Yes. The replacement battery includes a PCM board designed to provide overcharge, over-discharge and short-circuit protection.

The protection functions are checked during the production quality-control process.

7. Is this an original Xiaomi or POCO battery?

No. It is a compatible aftermarket replacement battery manufactured for professional repair, refurbishment and wholesale markets.

It should not be described as an original Xiaomi or POCO service battery.

8. What is the minimum order quantity?

The standard single-model MOQ is 20 pieces. Mixed-model wholesale orders can start from 100 pieces.

Final quantities depend on the selected battery models, packaging and customization requirements.

9. Can ESC customize the battery label and packaging?

Yes. ESC supports customer logos, private battery labels, retail boxes, barcode labels, instruction cards, warranty cards and export-carton markings.

Customized artwork and packaging details can be approved before bulk production.

10. What warranty and shipping methods are available?

A 12-month supplier warranty is available for qualified product-quality issues.

Shipping methods include DHL, UPS, air freight, sea freight, railway freight and road transportation. Delivery time depends on the destination, customs clearance, order quantity and selected logistics route.

Notre usine

Depuis 2016, ESC propose aux acheteurs B2B des batteries de remplacement et des produits de recharge. Nous proposons plus de 3 000 modèles pour iPhone, téléphones Android, tablettes et ordinateurs portables, avec des MOQ flexibles, des délais de livraison sous sept jours et un taux de défauts signalés par les clients inférieur à 1 %. Depuis 2022, nous avons développé des batteries externes à charge rapide de type privé avec une large compatibilité de protocole et un contrôle thermique. ESC accompagne les marques, les grossistes, les reconditionneurs et les chaînes de réparation avec des services OEM/ODM, de certification et de production.

Processus de production des ESC 1
Processus de production des ESC 2
Processus de production des ESC 3
Processus de production des ESC 4
Processus de production des ESC 5
Processus de production des ESC 6

Nos certificats

Certificat ESC 1
Certificat ESC 2
Certificat ESC 3
Certificat ESC 4

Processus de commande de batterie OEM et ODM

  1. 01

    Demande du client et confirmation des exigences

    Confirmez les modèles de batterie, la capacité, la quantité, le marché cible, les exigences de certification et de personnalisation.

  2. 02

    Devis

    Fournissez un devis détaillé basé sur les spécifications du produit, la quantité commandée, les exigences d’emballage et de livraison.

  3. 03

    Confirmation des détails de personnalisation

    Confirmez les étiquettes personnalisées, les codes-barres, les illustrations en sérigraphie, l'impression du logo, l'emballage et d'autres détails de marque.

  4. 04

    Confirmation de commande

    Finaliser les spécifications des produits, les quantités, les prix unitaires, les conditions de paiement, le calendrier de livraison et le mode d'expédition.

  5. 05

    Paiement du dépôt

    Le client paie l'acompte convenu afin que les matériaux et la production puissent être organisés.

  6. 06

    Arrangement de production

    Organiser la préparation des matériaux, l'assemblage de la batterie, l'inspection qualité, les tests de vieillissement, l'emballage et l'achèvement des commandes.

  7. 07

    Paiement du solde

    Le client paie le solde restant une fois la production terminée et les détails de la commande confirmés.

  8. 08

    Expédition

    Organiser l'expédition par voie aérienne, maritime, ferroviaire ou express approuvée en fonction de la destination et des exigences de la commande.

  9. 09

    Suivi de livraison et de réception

    Fournissez les documents d’expédition et les informations de suivi, et effectuez le suivi jusqu’à ce que le client reçoive les marchandises.

  10. 10

    Assistance après-vente 24h/24 et 7j/7

    Fournir une assistance technique réactive, une analyse des problèmes de qualité et des solutions après-vente après la livraison.

Comment choisir un fournisseur de batterie de remplacement fiable

Évaluez la qualité des cellules, la capacité de test, les détails d'assemblage, la cohérence de la production et l'assistance à l'installation avant d'acheter des batteries de remplacement pour smartphone, tablette ou ordinateur portable.

Vérifier la couverture et la compatibilité du modèle de batterie

Choisissez un fournisseur offrant une large couverture pour les batteries de smartphones, de tablettes et d'ordinateurs portables. Confirmez le code de la batterie d'origine, le modèle de l'appareil, la position du connecteur, les dimensions, la tension nominale et la compatibilité du système avant de commander.

Un fournisseur disposant d'une base de données de modèles établie peut réduire les expéditions incorrectes, les problèmes d'installation et les retours liés à la compatibilité.

1

Vérifiez la qualité des cellules et des composants électroniques

La qualité des batteries commence par les matières premières. Renseignez-vous auprès du fournisseur :

  • Fabricant et qualité des cellules de batterie
  • Capacité réelle des cellules
  • Durée de vie du cycle cellulaire
  • Solution PCB et puce de protection
  • Qualité des connecteurs et des câbles flexibles
  • Traçabilité des composants clés

Les fournisseurs fiables devraient utiliser des cellules classées plutôt que de sélectionner les composants uniquement en fonction du prix le plus bas.

2

Examiner l'inspection des matériaux entrants et le classement des cellules

Les cellules doivent être testées et regroupées selon :

  • Capacité
  • Tension
  • Résistance interne
  • Autodécharge
  • Épaisseur et dimensions
  • Apparence

Une classification appropriée des cellules améliore la cohérence entre les batteries du même lot de production et réduit la durée de fonctionnement anormale, le gonflement et les défaillances précoces.

3

Exiger des tests électriques et de compatibilité complets

Un fournisseur professionnel doit tester plus que la tension en circuit ouvert. La vérification de la qualité doit inclure :

  • Performances de charge et de décharge
  • Capacité réelle
  • Courant de la batterie
  • Fonctions de protection
  • Nombre de cycles et données de la batterie
  • Paramètres de la jauge de carburant
  • Compatibilité des appareils
  • Performance en température

Les testeurs de batterie professionnels peuvent effectuer la charge, la décharge, l'étalonnage du courant et une comparaison précise des paramètres, aidant à identifier les batteries dont les mesures ont été mesurées. les données ne correspondent pas aux spécifications approuvées.

4

Évaluer l'automatisation et la cohérence de la production

Les processus de production automatisés offrent normalement une meilleure cohérence et une capacité plus élevée que l'assemblage fortement manuel.

Les processus importants peuvent inclure :

  • Tri automatique des cellules
  • Soudage automatique
  • Test automatique des PCB
  • Application automatique de l'adhésif
  • Traçabilité des codes-barres
  • Inspection fonctionnelle en ligne

L'automatisation ne remplace pas le contrôle qualité, mais elle aide à réduire les variations causées par le positionnement manuel et le soudage. et l'assemblage.

5

Inspecter les détails de l'assemblage

Les petits détails d'assemblage ont un effet majeur sur l'efficacité de l'installation et la fiabilité du produit.

Une batterie bien finie doit inclure :

  • Adhésif de batterie pré-appliqué
  • Film de protection anti-poussière
  • Manchon de protection autour du câble flexible
  • Position fixe du câble flexible
  • Orientation stable du connecteur
  • Aucun câble de batterie desserré ou mobile
  • Bords propres et précis dimensions

Ces détails réduisent les dommages aux câbles flexibles, la contamination par la poussière, les mouvements d'installation et l'alignement incorrect des connecteurs.

6

Confirmer l'inspection de qualité en cours et finale

Le fournisseur doit effectuer une inspection tout au long de la production plutôt que de vérifier uniquement les produits finis.

Les points de contrôle recommandés incluent :

  • Inspection des matériaux entrants
  • Classement des cellules
  • Tests des PCB et BMS
  • Inspection des soudures
  • Inspection de l'assemblage
  • Test de capacité
  • Test de vieillissement
  • Inspection de l'apparence
  • Emballage inspection
  • Inspection aléatoire finale

Demandez si les données d'inspection peuvent être retracées jusqu'au lot de production.

7

Comparez les réclamations de capacité, le taux de défauts et la certification

Ne sélectionnez pas les batteries uniquement en fonction de la capacité imprimée la plus élevée.

Un fournisseur crédible doit fournir :

  • Données de capacité testées
  • Tension et énergie nominales claires
  • Taux de défauts signalés par les clients
  • Politique de garantie
  • Documentation CE, RoHS, FCC, MSDS et UN38.3 le cas échéant
  • Support de certification spécifique au modèle

Capacité exagérée les étiquettes sans correspondance avec l'espace des cellules, le poids et les données de test représentent un risque d'achat important.

8

Suivez les procédures d'installation correctes de la batterie

Même une batterie qualifiée peut tomber en panne si elle est mal installée.

Avant l'installation :

  • Déchargez la batterie d'origine à moins de 25 %
  • Éteignez l'appareil
  • Utilisez des outils d'ouverture non métalliques
  • Débranchez la batterie avant de manipuler d'autres composants internes
  • Évitez de percer, plier ou écraser la cellule
  • Retirez le film protecteur de l'adhésif. correctement
  • Alignez la batterie et le connecteur avant de l'enfoncer en place
  • Vérifiez que le câble flexible n'est pas plié, étiré ou coincé
  • Réinstallez les vis et les supports dans leurs positions d'origine
  • Testez la charge, la reconnaissance de la batterie et les fonctions de l'appareil avant le scellement final

Le guide d'installation avertit spécifiquement qu'une batterie lithium-ion chargée peut prendre feu ou exploser si elle est percée, et demande aux techniciens d'éteindre le téléphone avant démontage.

9

Contactez-nous

Phone

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Pour notre page d'accueil, veuillez cliquer ici.

Commande minimum : 10 unités
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