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Lithium Polymer Battery Cell

Power Battery 805080 3.7V 4000mAh 14.8wh Rechargeable Lithium Ion Battery Pack

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Power Battery 805080 3.7V 4000mAh 14.8wh Rechargeable Lithium Ion Battery Pack

Brand Name:	RESKY
Model Number:	PL805080
MOQ:	10pcs
Price:	Negotiable
Packaging Details:	Paper box
Payment Terms:	Western Union,T/T

Detail Information

Product Description

Ratings & Reviews

Detail Information

Place of Origin:

China

Certification:

CE, RoHS, MSDS, Un38.3

Document:

LP805080 4000mAh cell speci...25.pdf

Shape:

Square Battery

Nominal Capacity:

4000mAh

Weight:

43G

Warranty:

12months

Shipping:

UPS, DHL, FedEx, TNT, By Air, By Sea, Special Line

Connector:

Jst, Molex....

Color:

Silver, Blue PVC

Specification:

8*50*82.5mm

HS Code:

8507600090

Supply Ability:

100000PCS/Day

Payment Term:

T/T

Charging Cut-off Voltage:

4.2V

Discharging Cut-off Voltage:

2.5V

Working Voltage:

3.7V

Supply Ability:

50000pcs/day

Highlight:

3.7V Lithium Ion Battery Pack

Rechargeable Lithium Ion Battery Pack

4000mAh Lithium Ion Battery Pack

Product Description

Power Battery 805080 3.7V 4000mAh 14.8wh Rechargeable Lithium Ion Battery Pack

Product Specifications

Item	Specification
Battery Type	3.7V 4000mAh LiPo battery
Charge Voltage	4.2V
Nominal Voltage	3.7V
Nominal Capacity	4000mAh @ 0.2C Discharge
Charge Current	Standard: 0.2C Rapid: 1.0C
Standard Charging Method	0.5C CC charge to 4.2V, then CV charge at 4.2V until current ≤0.05C
Charging Time	Standard: 2.75 hours (Ref.) Rapid: 2 hours (Ref.)
Max Charge Current	0.5C
Max Discharge Current	1.0C
Discharge Cut-off Voltage	2.5V±0.25V (0.2C)
Operating Temperature	Charging: 0°C ~ 45°C Discharging: 0°C ~ 45°C
Storage Temperature	-10°C ~ +45°C
Dimensions	Length: 82±0.5mm (excluding tabs) Width: 50±0.5mm Thickness: 8±0.2mm
Drop Test	1m drop onto concrete twice - No fire, no leakage
Cycle Life	≥500 cycles

Capacity Comparison

Flat vs. Cylindrical Lithium Polymer Batteries

Capacity Difference: Cylindrical batteries typically offer higher capacity (up to 3,500mAh) compared to flat batteries (typically up to 2,000mAh)
Manufacturing Process: Cylindrical batteries use winding process for more electrode material
Applications: Cylindrical for high-power needs (tools, EVs, drones); Flat for space-constrained devices (phones, tablets, wearables)

Product Images

Ratings & Review

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

Mofak

United Kingdom Dec 5.2025

Helpful (1500)

Good quality! Easy communication, fast response, fast delivery, good supplier! Recommend.

Michael

France Dec 28.2022

Helpful (1w+)

Tested 604070 3.7v 2000mAh lithium polymer battery cell with many charging and discharging cycles, they working very good, capacity keeping very stable.

Anna

Lithuania Nov 30.2022