Why Choose Us
Professional JBL Battery Manufacturer
ESC is a one-stop Li-ion polymer battery manufacturer with more than 10 years of R&D experience. The company supplies mobile phone batteries, tablet batteries, laptop batteries, JBL replacement batteries, Dyson batteries, and other consumer electronics battery products for repair shops, wholesalers, and refurbished product factories.
Factory Price with Stable Quality
ESC provides competitive factory pricing to help wholesalers, distributors, and repair channels improve market competitiveness while maintaining stable battery quality.
Strict Quality Control
ESC highlights one-by-one battery testing, 24-step full inspection before shipment, automatic production equipment, and strict quality control for repair and wholesale buyers.
OEM & ODM Support
Customized battery logo printing, private packaging, standard ESC packaging, and flexible OEM/ODM service are available for wholesale customers and private label battery brands.
Certified Battery Supply
ESC lists ISO9001, CE, RoHS, FCC, IEC62133, PSE, REACH, UL2054, MSDS, UN38.3, and other certificates for its battery product range.
12-Month Warranty
ESC provides a 12-month warranty and replacement support for qualified after-sales issues.
Global Shipping Support
Air, sea, train, and car shipment methods are available for global battery buyers, including UPS and DHL air shipment options.
Quick Specifications
|
Item |
Specification |
|
Product Name |
JBL Charge 4 Replacement Battery |
|
Compatible Device |
JBL Charge 4 Bluetooth Speaker |
|
Battery Type |
Li-ion Battery |
|
Battery Cell |
Brand-new Pure Cobalt Cell |
|
Capacity |
7800mAh |
|
Standard Voltage |
3.7V |
|
Cycle Life |
Over 800 Cycles |
|
Charging Time |
1–3 Hours |
|
Standby Time |
3–7 Days |
|
Protection |
PCM Protection Board |
|
Working Temperature |
-10°C to 50°C |
|
Warranty |
12 Months |
|
MOQ |
20 pcs listed in parameter table; 100 pcs mixed models listed in FAQ |
|
OEM Service |
Customized Battery Logo and Packaging Available |
|
Shipping Port |
Shenzhen |
|
Payment Terms |
T/T, Western Union, L/C, PayPal, MoneyGram, Credit Card |
What Is
The JBL Charge 4 replacement battery is a compatible Li-ion battery pack designed for replacing aging, weak, swollen, or non-charging batteries in JBL Charge 4 Bluetooth speakers. It is suitable for Bluetooth speaker repair shops, refurbished speaker facilities, consumer electronics parts wholesalers, e-commerce repair parts sellers, and private label battery distributors.
This battery uses brand-new pure cobalt cells and a PCM protection board to help restore speaker runtime, charging stability, and daily usability when the old JBL Charge 4 battery can no longer hold charge properly.
Key Features
1.7800mAh Capacity for JBL Charge 4 Repair
The listed 7800mAh capacity supports JBL Charge 4 speaker repair and refurbishment needs, helping provide a replacement battery option for used or aging Bluetooth speakers.
2. Brand-New Pure Cobalt Cell
The battery uses a brand-new pure cobalt Li-ion cell, supporting stable output, reliable replacement quality, and repeatable performance for professional repair channels.
3. PCM Safety Protection
The PCM board provides protection against over-charge, over-discharge, and short circuit to support safer charging and daily speaker use.
4. OEM Logo and Packaging Support
ESC supports customized logo printing on the battery and private packaging, making the product suitable for wholesalers, distributors, e-commerce sellers, and private label battery brands.
5. Wholesale Supply with Warranty Support
The product is suitable for repair shops, speaker refurbishment facilities, electronics parts wholesalers, and distributors that need repeatable supply, stable quality, and after-sales support.
Technical Specifications
|
Parameter |
Details |
|
Product Category |
JBL Replacement Battery |
|
Product Name |
JBL Charge 4 Battery |
|
Compatible Speaker |
JBL Charge 4 |
|
Battery Chemistry |
Li-ion Battery |
|
Cell Material |
Brand-new Pure Cobalt Cell |
|
Nominal Capacity |
7800mAh |
|
Standard Voltage |
3.7V |
|
Cycle Life |
Over 800 Cycles |
|
Charging Time |
1–3 Hours |
|
Standby Time |
3–7 Days |
|
Protection Circuit |
PCM Board |
|
Protection Functions |
Over-charge, Over-discharge, Short-circuit Protection |
|
Operating Temperature |
-10°C to 50°C |
|
Certifications |
ISO9001, CE, RoHS, FCC, IEC62133, PSE, REACH, UL2054, MSDS, UN38.3 etc. |
|
Warranty |
12 Months |
|
MOQ |
20 pcs in parameter table; 100 pcs mixed models in FAQ |
|
Payment Terms |
T/T, Western Union, L/C, PayPal, MoneyGram, Credit Card |
|
Shipping Port |
Shenzhen |
|
OEM/ODM |
Customized Battery Logo and Package Available |
|
Target Buyers |
Repair Shops, Wholesalers, Refurbished Speaker Facilities, Distributors |
Compatible Models
|
Battery Product |
Compatible Device |
Application |
|
JBL Charge 4 Replacement Battery |
JBL Charge 4 Bluetooth Speaker |
Speaker Battery Repair and Refurbishment |
Applications
Bluetooth Speaker Repair Shops
Suitable for repair shops replacing weak, aging, swollen, or non-charging JBL Charge 4 speaker batteries.
Refurbished Speaker Facilities
Useful for refurbishers repairing and reselling used JBL Charge 4 speakers that need stable battery replacement quality.
Electronics Parts Wholesalers
Suitable for wholesalers building a JBL speaker battery product line for local repair channels and distributors.
E-Commerce Repair Parts Sellers
Can be used by online sellers offering compatible JBL Charge 4 replacement battery products or speaker repair kits.
Private Label Battery Brands
Supports OEM battery labels and customized packaging for customers building their own replacement battery brand.
Comparison with Original Battery
|
Comparison Point |
Original JBL Charge 4 Battery |
ESC JBL Charge 4 Replacement Battery |
|
Product Positioning |
Factory-installed battery in the original speaker |
Compatible aftermarket replacement battery for repair and wholesale markets |
|
Application |
Original speaker power source |
Replacement for aging, weak, or non-charging speaker batteries |
|
Battery Type |
Lithium-ion polymer 27Wh, equivalent to 3.6V/7500mAh listed by JBL |
Li-ion battery listed by ESC |
|
Capacity |
7500mAh equivalent listed by JBL |
7800mAh listed on ESC product page |
|
Voltage |
3.6V equivalent listed by JBL |
3.7V standard voltage listed on ESC product page |
|
Charging Time |
4 hours with 5V/2.3A listed by JBL |
1–3 hours listed on ESC product page |
|
Music Play Time |
Up to 20 hours depending on volume and audio content |
Depends on speaker condition, usage, installation quality, and battery condition |
|
Cell Type |
Original installed battery cell |
Brand-new pure cobalt Li-ion cell |
|
Safety Protection |
Original battery protection design |
PCM protection against over-charge, over-discharge, and short circuit |
|
Availability |
Limited through official or service channels |
Available for repair shops, wholesalers, refurbishers, and distributors |
|
Packaging |
Original service or device packaging |
ESC standard packaging or customized OEM/private label packaging |
|
MOQ |
Depends on service channel |
20 pcs listed in parameter table; 100 pcs mixed models in FAQ |
|
Warranty |
Depends on original service policy |
12-month warranty support from ESC |
|
Best For |
Official service replacement |
Aftermarket repair, refurbishment, wholesale, and private label supply |
Client FAQ
1. Is this battery compatible with JBL Charge 4?
Yes. This product is positioned as a JBL Charge 4 replacement battery. Buyers should confirm the old battery model, connector, size, and speaker version before bulk ordering.
2. What is the capacity of this JBL Charge 4 replacement battery?
The ESC product page lists the battery capacity as7800mAh.
3. What is the standard voltage?
The ESC product page lists the standard voltage as 3.7V. Buyers should compare the old battery label, connector, and speaker version before ordering in bulk.
4. What type of battery cell is used?
The product page describes the cell as a brand-new pure cobalt Li-ion battery cell.
5. Does this battery include protection?
Yes. The battery uses a PCM board with protection against over-charge, over-discharge, and short circuit.
6. Can ESC customize my logo and packaging?
Yes. ESC supports customized logos on the battery and customized private packaging for OEM/ODM orders.
7. What is the MOQ?
The parameter table lists MOQ as 20 pcs, while the FAQ states MOQ is 100 pcs mixed models. Buyers should confirm the final MOQ based on model mix, packaging, stock, and order requirements.
8. What certificates are available?
ESC lists ISO9001, CE, RoHS, FCC, IEC62133, PSE, REACH, UL2054, MSDS, UN38.3, and other certificates for the battery category.
9. What is the warranty policy?
ESC lists a 12-month warranty and replacement support for qualified complaints without requiring damaged batteries to be returned.
10. Who should buy this JBL Charge 4 replacement battery?
This battery is suitable for Bluetooth speaker repair shops, refurbished speaker facilities, electronics parts wholesalers, JBL replacement battery distributors, e-commerce repair parts sellers, and private label battery brands.
