18490 1400mAh 3.7V E-cigarette battery

18490 1400mAh 3.7V lithium battery electric toothbrush & e-cigarette battery

Model: 18490

Nominal Capacity: 1400mAh

Nominal internal resistance: 60mΩ

Nominal voltage: 3.7V

Discharge cut-off voltage: 2.75V

Charge upper voltage: 4.2V

Maximum charge current: 1C

Maximum discharge current: 3C

Working temperature: Charge: 0~45℃, Discharge: 0~60℃

Dimension: 18mm (D) x 49mm (L)

Advantages:

1. High energy: higher weight energy ratio & higher volume energy ratio

2. Low internal resistance: milli-ohm grade, improve energy conversion efficiency

3. Lithium ion battery is no memory effect and rechargeable

4. Long cycle life: increased from 500 times to 1000 times

5. Eco-friendly: without CD/Ni

6. Low self-discharge: longer storage time, monthly self-discharge rate decreased from 15% to 8%

7. High voltage: 3.7V, equal voltage of 3pcs Ni-MH or Ni-CD series

Application field:

1. Consumer electronics: electric toothbrush, cordless phone, power-driven model etc.

2. High –light flashlight, solar street light etc.

3. Digital products: earphone, electric massager