505060 1S2P 3.7V 4000mAh polymer battery


The 505060(1S2P) is a 3.7V 4000mAh rechargeable Lithium-ion battery which can quickly be integrated into a wide range of electronic devices. The battery comprises a single prismatic cell in a 1-series, 2-parallel configuration. The protection circuit board (PCB) is optional for the ultra-thin small lipo battery.

Product Type

3.7V lipo battery

Voltage (Nominal)


Model number


Capacity (Nominal)



Cell 5.0±0.2*50±0.5*60±0.5mm

Constant Discharge Current

0.2C(Standard), 1C(Max )

Working Temperature

charge: 0-45℃; discharge: -20-60℃

Details about 505060 1S2P 3.7V 4000mAh polymer battery

Product description

Rechargeable polymer lithium battery has many own advantages, like variable size, lightweight, high safety, high energy density, and so on.

Size, voltage, capacity, rated power, temperature……can be customized. Contact us now!

Product features

  • Lithium polymer battery has high energy density.
  • Long cycle life of charge&discharge.
  • Enhanced safety parameters with Japan SEIKO PCB &MOS protectors.
  • Support OEM&ODM service for special size.
  • Assemble with mounted connectors, JST, Molex, HRS, and so on.

Product details


Basic Information

Cell Dimension( thickness*width*length) 5.0±0.2*50±0.5*60±0.5mm
Charge voltage 4.2V±0.03V
Nominal voltage 3.7V
Nominal capacity 4000mAh
Fully charge voltage 4.2V
Ship out voltage 3.8-4.1V
Battery specification Charge current Standard Charging:0.2C (800mA)
Rapid charge:1.0C(4000mA)
Charging method Charge with constant current 0.2c to 4.2V, then charge with constant voltage 4.2v till until charge current is less than 0.01C
Standard discharge current 0.2C(800mAh)
Max.discharge current 1.0C(4000mA)
Discharge cut-off voltage 2.75V
Operating environment Charging:10℃~45℃
Storage temperature -10℃~40℃
PCB&Wires&connector Optional
 Cycles 500 times
Warranty 12 months
Certificates ISO9001
Warning Do not overcharge, force charge, short circuit, disassemble, deform, heat, or place the battery near a direct flame. Any of the above actions could cause it to ignite, explode or become damaged.
Keep this battery out of the reach of children.
When storing the battery or throwing it away, be sure to cover it with tape.
Main Features Thin format, lightweight, flat size, and flexibility in design.
Easily customized, Energy density, High capacity.
Applications Smart wearable devices, smart cards, smart electronics.
Bluetooth earphone, power bank, MP4, Tablet PC. laptop, GPS tracker.
Medical devices, electric children toys, electric shoes, electric blanket.
Intelligent door lock, intelligent lighting, emergency light, industrial cameras.

Product assemble

VATS Battery Assemble battery pack


  1. 100% inspection before shipment.
  2. Mass production with international certifications.
  3. Fast delivery.
  4. Support free samples to test.

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