• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: XW
  • Model Number: OEM battery XW 851768 3.7v 850mah li-polymer battery
  • Type: Li-polymer
  • Nominal Voltage: 3.7v
  • Size: 8.5*17*68
  • Nominal Capacity: 850mAh
  • Warranty: 1 Year
  • Battery type: OEM battery XW 851768 3.7v 850mah li-polymer battery
  • Product name: OEM battery XW 851768 3.7v 850mah li-polymer battery
  • Cycle life: 500 Times
  • Capacity: 850mAh
  • Weight: 20g
  • Payment: Credit Card.Paypal.TT.Escrow.Western Union,Cash
  • Application: digital products

Packaging & Delivery

Packaging Details standard package for OEM battery XW 851768 3.7v 850mah li-polymer battery
Delivery Time 5-35days

OEM battery XW 851768 3.7v 850mah li-polymer battery



No.ItemGeneral ParameterRemark
1Rated CapacityTypical855mAhStandard discharge(0.2C C5A) after Standard charge
2Nominal Voltage3.7VMean Operation Voltage
3Voltage at end of3.0VDischarge Cut-off Voltage
4Charging Voltage4.2±0.03V 
5Internal Impedance≤100mΩInternal resistance measured 
at AC 1KHZ after 50% charge
The measure must uses the new batteries
 that within one week after shipment 
and cycles no more than 5 times
6Standard chargeConstant Current 0.2C5ACharge time : Approx 6h
Constant Voltage 4.2V
0.01 C5A cut-off
7Standard dischargeConstant current 0.2 C5A 
end voltage 3.0V
8Fast chargeConstant Current 0.5C5ACharge time : Approx 2.5h
Constant Voltage 4.2V
0.01 C5A cut-off
9Fast dischargeConstant current 0.5C5A 
end voltage 3.0V 
10Maximum Continuous Charge Current1 C5A 
11Maximum Continuous Discharge Current1C5A 
12Operation Temperature RangeCharge: 0~45℃60±25%R.H.
Bare Cell
Discharge: -20~60℃ 
13Storage Temperature RangeLess than 1 year: -20~25℃60±25%R.H.
less than 3 months: -20~40℃at the shipment state
14Pack  DimensionHighth: max68mmInitial  Dimension
Width: max17mm
Thickness: max8.5mm
Company Information



Shenzhen Xinwen Electronic Limited was founded in 2008,it is a national high-tech enterprise ,which is specialized in dependence research and development,production and sales in the field of lithium battery modules.Since its establishment,the company always takes responsibility for searching all users of global mobile power /back-up power/energy storage power.Xinwen has become a global leading supplier of customized lithium solutions and products,after 10 years business development in battery manufacture industry ,it has nearly 5400 square meters non-dust workshop with 200 employees.


Our Services
Production Process


Product Features



1. Q: Where can I get the price?

A:We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we'll regard your inquiry  priority.

 2.  Q:  Is OEM/ODM available?
A: Yes, it is. Please feel free to tell us your application and your basic battery requirements. Our R&D team will provide a full solution to your with these factors taken into consideration: working temperature, dimension, compound mode, power, capacity, peak current, PCM, fuse, motion control ICs, plug, etc.
3.  Q:  Can you provide samples?
A: Yes, we can. After discussion and designing with our sales and engineer, we encourage client to order samples to test our battery quality first. 

4.  Q: What kind of certificates could you provide for the battery?

 A: It’s customized design, no current certificate, but we could apply CE, UL, KC,UN38.3 and other related certificates for you, but the certificates fee needs to be paid by you, if your quantity is big enough, certificates fee could be refunded.

 5. Q: Shipping terms:

 1.Samples checking: sending by Express ( DHL / UPS / FEDEX/ TNT ,by air)

 2.Bulk production:sending out by cargo shipping / air freight /Express(DHL/UPS/FedEx/TNT),or we can accept other shipping terms according to your requirements.

6. Q: Can we visit your factory?
A: we are sincerely welcome you to visit our factory. Once we have your schedule, we will arrange the professional sales team to follow up your case.




Packaging & Shipping


 OEM battery XW 851768 3.7v 850mah li-polymer battery

OEM battery XW 851768 3.7v 850mah li-polymer battery

OEM battery XW 851768 3.7v 850mah li-polymer battery

OEM battery XW 851768 3.7v 850mah li-polymer battery

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $15,000
Learn More