Hand Wind LED Torch Called Dynamo LED Torch

I got a wind-up LED torch a few months back for a summer camp. Its a rugged built torch with the name of Dynamo LED Torch. ( Could have called it dynamic instead ).

The specifications were impressive:

• Rechargeable LIR2032 Lithium ion battery: 3.6V, 35mAH


• Rotate 120 cycles per minute, output power less than 1W


• In normal use, rotate 120 RPM, the battery capacity can reach 80%


• When used with 1 LED, battery time is about 30 minutes


• When used with 3 LED, battery time is about 25 minutes


• In normal use, the lithium ion battery can be recharge about 500 times


• Estimate life span of the torch is about 10 years if used once per weak.

I was a little bored with the white LEDs and since camping is over for me at least for the next 8 months, I decided to change the white LEDs to green LEDs.

An anatomy tour of the Dynamo LED Torch follows in the next few posts .......