Rechargeable lithium polymer battery cell 602040 400mAh 450mAh 3.7V power lipo battery

Price Negotiable

Price: Negotiable

MOQ: 100pcs

Delivery Time: 7-10days

Brand: RESKY

Product Description

Rechargeable Lithium Polymer Battery Cell 602040 400mAh/450mAh 3.7V Power LiPo Battery

Key Specifications

NO.	Items	Specifications
1	Batteries	3.7V 450mAh LiPo battery
2	Charge voltage	4.2V
3	Nominal voltage	3.7V
4	Nominal capacity	450mAh @ 0.2C Discharge
5	Charge current	Standard Charging: 0.5C Rapid charge: 1.0C
6	Standard Charging method	0.5C CC charge to 4.2V, then CV charge till current ≤0.05C
7	Charging time	Standard: 2.75 hours (Ref.) Rapid: 2 hours (Ref.)
8	Max. charge current	1.0C
9	Max. discharge current	1.0C
10	Discharge cut-off voltage	2.75V (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: 40±2mm (excluding tabs) Width: 20±0.5mm Thickness: 6±0.2mm
14	Drop Test	Dropped from 1m height twice onto concrete - no fire, no leakage
15	Cycle time	≥500 cycles

Main Advantages

High Safety: Aluminum-plastic flexible packaging structure is safer than metal casing batteries and won't explode under abnormal conditions.
Lightweight and Thin: Less than 1mm thickness and 40% lighter than steel-cased batteries, ideal for space- and weight-sensitive devices.
Long Cycle Life: Over 500 charge cycles, perfect for frequently used devices like Bluetooth headset charging stations.

Applications

Ideal for small electronic devices including Bluetooth headsets, massagers, beauty devices, and sprayers, providing stable battery life.

Lithium Battery vs LiFePO4 Battery Comparison

1. Cycle Life and Longevity

Lithium-ion Batteries: Cycle life varies by chemistry, with gradual capacity decline over cycles.
LiFePO4 Batteries: Known for long cycle life and high durability, maintaining capacity over many cycles.

2. Cost

Lithium-ion Batteries: Cost varies by production scale and demand.
LiFePO4 Batteries: Higher initial cost but longer lifespan can offset this in many applications.

3. Application Areas

Lithium-ion Batteries: Widely used in portable electronics, EVs, and energy storage systems.
LiFePO4 Batteries: Preferred for safety-critical applications like electric buses, marine uses, and industrial settings.

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