Lithium ion 18650 cylindrical rechargeable battery, 3.7V 2,000mAh high capacity, for laptop batteries and portable power devices

Features:
1) Lithium ion 18650 cylindrical rechargeable battery
2) 3.7V 2,000mAh high capacity
3) Higher energy density and lower weight than other types of rechargeable
batteries
4) Manufactured under ISO9001 to assure quality
5) Internal PCB protects against under and over charging - low voltage 2.8V, high
voltage 4.2V
6) Battery tested based on International Electrotechnical Commission (IEC) standard
to ensure capacity, quality and life time

Applications:
1) Built-in laptop batteries
2) Built-in portable power devices needing high energy density and low weight

Cautions:
1) Use special caution when working with Li-ion cells, they are very sensitive to
charging characteristics and may explode if mishandled
2) Make sure user has enough knowledge on Li-ion rechargeable batteries in
charging, discharging and assembly before use
3) We are not responsible for any damage caused by misuse or mishandling of
these Li-ion batteries

Specifications:
1) Capacity:
a) Nominal: 2,000mAh
b) Min.: 1,950mAh
2) Dimensions:
a) Diameter: 18+/-0.2mm
b) Height: 68+/-0.2mm
3) Weight (typical): approx. 46g
4) Nominal voltage: average 3.7V
5) Cut-off voltage: 3.0V
6) Internal impedance: less or equal to 180 milliohm (with PTC)
7) Cycle performance: 90% of initial capacity at 400 cycles
8) Cycle life: > 500 cycles
9) Charge: current = 0.5C mA, voltage = 4.2V, end current = 0.01mA
10) Discharge: current = 0.5C mA, end voltage = 3.0V
11) Max. charging current: 1.5C mA
12) Max. discharging current 1.5C mA (for continuous discharge)