number

items

unit

value

1

rated voltage

V

3.7

2

rated capacity

Ah

2.2

3

(LED)light source

rated power

A type

W

1

B type

3

average working current

A type

milliampere

300

B type

650

flux

A type

lumen

>=80

B type

>=120

discharging duration

A type

h

8~16

B type

4~8

4

average lifespan

h

>=100000

5

battery life

cycle

about 1000

6

size

external diameter x length

mm

32x128

7

weight

kg

0.12