Vintage Japanese Flashlight Restoration Video
Original Flashlight
6 D-batteries x 6 =
Light bulb x =
Waterproof
New Flashlight
6 Lithium batteries 21700 4500mah
Rechargeable Battery pack 10C 12V 9Ah 108Wh
Lamp bead 30W 8A
Reflector diameter 11 cm
3.4 hours usage
Waterproof
Battery Information ($8)
Model: 21700
Size: 21 mm in diameter, 70 mm in length
Weight: about 68g
Rated voltage:
Capacity: 4300-4500mah
Internal resistance: about 15
Charging voltage:
Discharge cut-off voltage:
Discharge current: 3C discharge (5C discharge can be achieved instantly)
BMS information ($2)
BMS 3 series 20A lithium battery protection board (with recovery function-AUTO Recovery)
This product is an enhanced version: suitable for electric drills with starting current below 60A.
Scope of application: Lithium batteries with nominal voltages of and (including 18650, 266
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