3.7volt Battery 2000mah 18650 PCM solar light

battery specification:

type: li-ion

nominal voltage: 3.7 v

size: D18mm X H70mm, including PCM

nominal capacity: 2000 mah (max 3500 mah  option)

application: solar, led, light, portable

certificate: ce, msds, ul, UN38.3

discharge voltage cut-off: 3volt

voltage charge cut-off: 4.2volt

constant current: 0.5c

pcm protect: yes