Lithium Polymer Battery Cell 802040 902040 802045 3.7V 650mAh Rechargeable Li-Polymer Batteries

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Shenzhen Resky Electronics Co., Ltd.

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Name: Lithium Polymer Battery Cell 802040 902040 802045 37V 650mAh Rechargeable LiPolymer Batteries
Brand: RESKY
Price: 1 USD

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Product Specifications

Attribute	Value
Nominal Capacity	650mAh
Charging Current	0.2c
Continuous Discharging Current	0.5c
Max Discharging Current	1c
Weight	10g
Cycle Life	500cycles
Warranty	12months
Shipping	UPS, DHL, FedEx, TNT, by Air, by Sea, Special Line
Connector	Jst, Molex....
Specification	82040mm

Technical Details

NO.	Items	Specifications
1	Batteries	3.7v 650mah lipo battery
2	Charge voltage	4.2V
3	Nominal voltage	3.7V
4	Nominal capacity	650mAh 0.2C Discharge
5	Charge current	Standard Charging:0.5C Rapid charge: 1.0C
6	Standard Charging method	0.5C CC(constant current)charge to 4.2V, then CV(constant voltage 4.2V)charge till charge current decline to ≤0.05C
7	Charging time	Standard Charging:2.75hours(Ref.) Rapid charge: 2hours(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 (not including tabs) Width: 20±0.5mm Thickness:8±0.2mm
14	Drop Test	The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage
15	cycle time	≥500times

Applications

Smart devices: Suitable for devices with moderate battery life requirements such as fingerprint locks, cervical massagers, microphones, etc. The battery has a standard voltage of 3.7V and supports working in an environment of -10~60℃. The cycle life is up to 500 cycles, which can meet daily use needs.
Consumer electronics: Can be expanded to small household appliances such as aromatherapy machines and beauty devices. Its lightweight design (10×20×40mm) and low-temperature working characteristics (-10℃ start-up) are suitable for outdoor scenes in winter.
Industrial scene: Outstanding performance in medical equipment (such as detectors, scanning pens). The battery has high consistency and low self-discharge characteristics (monthly self-discharge rate ≤5%), and can maintain stable performance after long-term storage.

Advantages

Safety: Solid or gel electrolytes are used instead of liquid electrolytes to avoid leakage and combustion risks. Even if short-circuited or overheated, it will only swell and deform instead of explode. Equipped with multiple protection mechanisms (such as overcharge/discharge protection, PTC components, etc.), international certification (such as IEC 62133-2 standard) ensures safe use.
Lightweight design: The aluminum-plastic soft packaging structure reduces the weight of the battery by 20%-40%, and the thickness can be less than 0.5mm, which is suitable for ultra-thin devices (such as folding screen mobile phones and wearable devices). Compared with traditional liquid batteries, polymer batteries have a smaller volume while maintaining the same capacity.
Performance optimization: Some models support 2C rate fast charging (such as some polymer lithium batteries), with an energy density, and a battery life extended by 1.2 hours. Common applications in smart devices include mobile phones, drones, and other scenarios with high requirements for form and efficiency.

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802045 Lithium Polymer Battery Cell

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