702030 3.7v 400mAh 1.48wh Rechargeable Lithium Li-polymer Battery Cell For Bluetooth Speaker

Price Negotiable

Price: Negotiable

MOQ: 100pcs

Delivery Time: 7-10days

Brand: RESKY

Product Description

702030 3.7v 400mAh 1.48wh Rechargeable Lithium Li-polymer Battery Cell For Bluetooth Speaker

Technical Specifications

NO.	Items	Specifications
1	Batteries	3.7v 400mAh LiPo battery
2	Charge voltage	4.2V
3	Nominal voltage	3.7V
4	Nominal capacity	400mAh @ 0.2C Discharge
5	Charge current	Standard Charging: 0.2C Rapid charge: 1.0C
6	Standard Charging method	0.5C CC charge to 4.2V, then CV charge at 4.2V till current declines to ≤0.05C
7	Charging time	Standard Charging: 2.75 hours Rapid charge: 2 hours
8	Max. charge current	0.5C
9	Max. discharge current	1.0C
10	Discharge cut-off voltage	2.5V±0.25V (0.2C)
11	Operating temperature	Charging: 0°C ~45°C Discharging: 0°C ~45°C
12	Storage temperature	-10°C ~ +45°C
13	Dimension	Length: 30±0.5mm (excluding tabs) Width: 20±0.5mm Thickness: 7±0.2mm
14	Drop Test	Dropped from 1 meter twice onto concrete with no fire or leakage
15	Cycle time	≥800 cycles

Key Features

Extended Battery Life: 400mAh capacity provides full-day use for Bluetooth devices
Compact Design: Soft-pack polymer construction (30*20*7mm) weighs only 9.1g
Enhanced Safety: Leak-proof and non-polluting polymer technology
Durable Performance: Supports rapid charging (2 hours) with 800+ cycle life
Wide Temperature Range: Operates from 0°C to 45°C

Primary Applications