4.4Ah 18650 3.7 V Lithium Battery

Additional information

18650 cell

18650-1S2P/4400mAh/3.7V

Nominal voltage

3.7V

Nominal capacity

4400mAh (discharge at 0.2C to 2.75V)

Factory voltage

3.6~3.9V

Output mode

UL1007 AWG24#

Executive standard

GB/T 18287-2000

Working temperature

0~45℃ (charging), -20~60℃ (discharging)

Size

67*37.5*19mm

Product Details

3.7 volt lithium ion battery product advantages and features:

  • Built-in lithium battery protection board to prevent overcharge, overdischarge, overcurrent, short circuit, etc.;
  • The protection board adopts Japan Seiko S8261-G2GIC, with mature technology;
  • Optional batteries: Sanyo, Panasonic, Samsung, domestic batteries, etc.;
  • The product model is complete, and can be individually designed according to customer requirements (voltage/capacity/size/circuit)
  • Comply with the relevant standards and requirements of GB/T18287-2000 for lithium batteries;
  • The finished lithium battery has been strictly calibrated and tested before leaving the factory, and users can use it with confidence;
  • Cycle life of lithium battery pack: under normal working conditions, the cycle life of lithium battery pack is up to 500 times;
  • Product packaging: simple and beautiful PVC film packaging, spray code logo.

4.2V Lithium Battery Charger Selection:

The charging limit voltage of the 3.7V lithium battery pack is 4.2V, and the standard charging current is 0.5C (4400*0.5=2200mA).

Therefore, we should choose a 4.2V lithium battery charger with an output current of 2.5A and a constant current and constant voltage charging mode.

Application areas: portable electronic products, instrumentation handheld terminals, medical instruments, laser instruments, etc.

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