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OEM 3.7 V 4000mah Battery , Polymer Li Ion Rechargeable Batteries For Tablet PC

Minimum Order Quantity : 10000PCS Price : Negotiated The Price
Packaging Details : Customer Requirements Delivery Time : 30-45 work days
Payment Terms : T/T, D/P, D/A, L/C Supply Ability : 1600PCS /Day
Place of Origin: CHINA,GuangDong Brand Name: FUNPACK
Certification: UL ROHS Model Number: L28057

Detail Information

Battey Name: Li-ion Polymer Battery Vlotage: 7.6V
Shipmen Vlotage: 3.805V ~ 3.95V Capcity: 4000mAh
Lmpedance: 100mΩ Size: 102.5*104.5*6.51mm
Cell Weight: 130g
High Light:

OEM 3.7 V 4000mah Battery


Rechargeable 3.7 V 4000mah Battery


4000mah Polymer Li Ion Rechargeable Batteries

Product Description

High Safety Performance Polymer Lithium Ion Battery 3.7V 4000mAh For Tablet PC



lithium-ion cells with the market’s highest energy density.

Product materials can be customized according to customer requirements.

Direct battery factory supply keep high end quality and stable performance.

he battery has long cycle life, which conforms to the principle of low carbon, energy conservation and environmental protection.
Good safety performance, FUNPACK polymer Li-ion battery adopts polymer outer film packing. Packing film will leak
automatically when the battery reaches 2 to 3 kgf/cm2,to avoid explosion.
effectively avoiding the over-charge, and short circuit.
High Capacity with Small Size
Product Parameters:
Item Specification
Battery Pack Type 1S1P Removable
Capacity 4000mAh(min)
Standard Current 1200mA (0.2C
Maximum Charging Current
Charge current 4.2V@ 0~ 15, cut off 120mA Maintenance trigger voltage: 4.0V 1200mA (0.2C)
Charge current 4.2V@15~ 45, cut off 120mA Maintenance trigger voltage: 4.0V 3000mA (0.5C)
Charge current 4.1V@45~ 60, cut off 120mA Maintenance trigger voltage: 3.9V 1200mA (0.2C)
Charge current 3.0V@ 0~ 45, cut off 120mA Maintenance trigger voltage: 3.0V 300mA (0.05C)
Maximum Discharging Current*c*d  
Discharge Current @ -20~ 0 1200mA (0.2C)
Discharge Current @ 0~ 60 6000mA(1.0C)
Nominal Voltage 3.7V
Cut-off Voltage  
Discharge End of Voltage for Device set up 3.2V ~ 3.4V
End of Voltage (Discharge) 3.0V
Cycle life After 500 cycles (Under 23±2 )
Storage Conditions  
When stored within 1 Month (RSOC 50%) -20~ +45
When stored within 3 Months (RSOC 50%) -20~ +35
When stored within 12Months (RSOC 50%) -20~ +25
Storage Conditions 60℃±3
Impedance 100m
Weight 130g
Shipment Voltage 3.805V ~ 3.95V
NTC Rv:100K 1% Bv:4250
size 104.50*102.50*6.51mm


Main Applications :

It is suitable for automobile remote control, electronic dictionary, electronic watch, electronic toys, electronic clock, electronic

health scale, blood glucose meter, electronic thermometer, calculator, TIntelligent voice speaker and electronic dictionary

and translatorand other small household appliances


OEM 3.7 V 4000mah Battery , Polymer Li Ion Rechargeable Batteries For Tablet PC 0

OEM 3.7 V 4000mah Battery , Polymer Li Ion Rechargeable Batteries For Tablet PC 1


Q1. Are you factory?
A: Yes, we are professional manufacturer for polymer batteries since 2017
Q2. What is MOQ for this product in your company?
A: 1000pcs.
Q3. When you ship my order?
A: Normally 35-45days after payment confirmed, but it can be negotiated based on order qty and production schedule.
Q4. Can I get the pre-production sample?
A: Yes, we will send you sample for approval first, after you confirm, then we will start mass production order.
Q5. Can battery size customized available?
A: Yes, Please send up the capacity and max battery size, so that we can search our model for you.

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