Why Choose Apple Watch Series 3 Battery from ESC
Professional Smartwatch Battery Manufacturer
ESC supplies replacement batteries for smartphones, tablets, laptops, smartwatches and other electronic devices to professional repair shops, wholesalers, refurbishers and distributors.
Reliable Apple Watch Series 3 Battery Supplier
As an Apple Watch Series 3 battery supplier, ESC supports repeat orders, mixed-model purchasing and stable B2B supply for smartwatch repair and parts businesses.
A1850 281mAh Battery Specification
This A1850 replacement battery provides 281mAh capacity with 3.82V nominal voltage and 1.07Wh energy for compatible Apple Watch Series 3 38mm repair applications.
Multi-Step Factory Quality Control
Each battery is checked for capacity, voltage, internal resistance and aging performance before shipment to help improve consistency across wholesale batches.
OEM and Private Label Support
ESC supports OEM branding, customized packaging and private label projects for smartwatch accessory wholesalers, distributors and repair brands.
Global Wholesale Supply
International battery shipments can be arranged by air, sea or railway according to order quantity, destination and applicable lithium battery transportation requirements.
Quick Specifications
| Specification | Details |
|---|---|
| Product Type | Smartwatch Replacement Battery |
| Battery Model | A1850 |
| Cell Model | 11CP6/20/28 |
| Compatible Brand | Apple |
| Compatible Series | Apple Watch Series 3 |
| Compatible Size | 38mm |
| Battery Chemistry | Li-ion Battery |
| Capacity | 281mAh |
| Nominal Voltage | 3.82V |
| Energy | 1.07Wh |
| Charge Voltage | 4.35V |
| Defective Rate | ≤1% |
| Lead Time | About 3–5 Days, subject to order confirmation |
| Warranty | 12 Months |
| Certifications / Documents | CE, UN38.3, MSDS, PSE |
| MOQ | 100 pcs mixed-model order recommended |
| OEM / Private Label | Available |
| Private Label MOQ | 200 pcs |
| Shipping Methods | Air, Sea, Railway |
| Target Buyers | Repair Shops, Refurbishers, Wholesalers, Distributors |
What Is the A1850 Apple Watch Series 3 Battery?
The A1850 is a 281mAh Li-ion replacement battery designed for compatible Apple Watch Series 3 38mm repair and refurbishment. As an Apple Watch Series 3 battery supplier, ESC provides repair shops, wholesalers and distributors with factory QC, OEM support, mixed-model purchasing and reliable long-term battery sourcing.
Key Features
1. 281mAh Battery Capacity
Provides 281mAh capacity with 3.82V nominal voltage and 1.07Wh energy for compatible smartwatch battery replacement applications.
2. Designed for Apple Watch Series 3 38mm
The A1850 battery is intended for compatible Apple Watch Series 3 38mm repair and refurbishment applications.
3. Compact Li-ion Battery Design
Compact lithium-ion construction is designed for space-limited smartwatch battery applications while maintaining stable electrical performance.
4. Factory Quality Testing
Capacity, voltage, internal resistance and aging performance are checked before shipment to support consistent wholesale quality.
5. Wholesale and OEM Ready
Suitable for smartwatch repair shops, refurbishment companies, electronics wholesalers, distributors and private label battery projects.
Compatible Models
| Battery Model | Compatible Device | Size |
|---|---|---|
| A1850 | Apple Watch Series 3 | 38mm |
Applications
Smartwatch Repair Shops
Suitable for technicians replacing aged, damaged or low-runtime batteries in compatible Apple Watch Series 3 devices.
Electronics Refurbishment
Designed for refurbishers replacing smartwatch batteries before devices are tested, graded and prepared for resale.
Smartwatch Parts Wholesale
Provides wholesalers with a model-specific replacement battery for supplying professional repair shops and regional resellers.
Repair Chain Supply
Suitable for repair chains requiring repeat purchasing and consistent smartwatch battery specifications across multiple locations.
OEM and Private Label Projects
ESC supports customized branding, packaging and long-term supply for customers developing smartwatch replacement battery product lines.
A1850 Replacement Battery vs Original Battery
| Comparison | ESC A1850 Replacement Battery | Original Battery |
|---|---|---|
| Product Type | Aftermarket replacement battery | Factory-installed battery |
| Battery Model | A1850 | Original device specification |
| Capacity | 281mAh | Original device specification |
| Nominal Voltage | 3.82V | Original device specification |
| Energy | 1.07Wh | Original device specification |
| Compatible Series | Apple Watch Series 3 | Apple Watch Series 3 |
| Main Application | Repair and refurbishment | Original assembly / official service |
| Wholesale Supply | Available | Limited through official channels |
| Mixed-Model Orders | Supported | Generally limited |
| OEM Branding | Available | Not available |
| Private Label | Available | Not available |
| Warranty | 12-month supplier warranty | Subject to manufacturer policy |
Buyer Value
For Repair Shops
Keep A1850 inventory for Apple Watch Series 3 battery replacements and provide customers with a dedicated smartwatch repair solution.
For Refurbishers
Use consistent replacement batteries when restoring Apple Watch Series 3 devices for resale and secondary-market programs.
For Wholesalers
Combine A1850 with other Apple Watch battery models in mixed-model orders to expand smartwatch battery coverage while reducing individual SKU purchasing risk.
For Distributors
Add an Apple Watch Series 3 replacement battery to your catalog for supplying repair shops, refurbishers and electronics resellers.
FAQ
- What is the capacity of the A1850 Apple Watch battery?
The A1850 replacement battery has a capacity of 281mAh, a nominal voltage of 3.82V and an energy rating of 1.07Wh.
- Which Apple Watch is compatible with the A1850 battery?
The A1850 battery is designed for compatible Apple Watch Series 3 38mm repair applications.
- Is this battery compatible with Apple Watch Series 3 42mm?
This A1850 version is intended for the 38mm configuration. Buyers should confirm the original battery model before ordering for other sizes.
- Is this an original Apple battery?
No. This is an aftermarket replacement battery designed for professional smartwatch repair, refurbishment and wholesale markets.
- Are you an Apple Watch Series 3 battery supplier?
Yes. ESC is an Apple Watch Series 3 battery supplier serving repair shops, refurbishers, wholesalers and distributors with professional B2B battery solutions.
- Can I buy A1850 Apple Watch batteries wholesale?
Yes. ESC supports wholesale purchasing, repeat orders and mixed-model smartwatch battery sourcing for professional B2B customers.
- Can I order different Apple Watch battery models together?
Yes. Mixed-model purchasing is supported, helping wholesalers and repair businesses expand product coverage while reducing inventory risk.
- Do you provide OEM and private label services?
Yes. OEM branding, customized packaging and private label battery solutions are available for qualified customers.
- What quality tests are performed before shipment?
Each battery is checked for capacity, voltage, internal resistance and aging performance before shipment.
- What warranty and shipping options are available?
ESC provides a 12-month warranty. International battery shipments can be arranged by air, sea or railway with applicable battery transportation documents available.
