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You may find that AAA batteries last about 30 minutes on a 3 watt LED flashlight. 3 watt LED's have similar lumen ratings as 25 watt incandescent lamps and are bright enough for watering plants at night, mountain biking, and task lighting.
This Instructable will show you how to triple the battery life of the flashlight by adding a battery holder. Since the flashlight is no longer carrying weight, it will be a light headlamp which you can mount to a helmet or hat. This Instructable will void your warranty and is not for expensive flashlights.
If you really want to reduce your lighting bills, you can use this instead of incandescent lamps if you have a LED driver and a DC power supply which will be another project.
This Instructable will show you how to triple the battery life of the flashlight by adding a battery holder. Since the flashlight is no longer carrying weight, it will be a light headlamp which you can mount to a helmet or hat. This Instructable will void your warranty and is not for expensive flashlights.
If you really want to reduce your lighting bills, you can use this instead of incandescent lamps if you have a LED driver and a DC power supply which will be another project.
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Signing UpStep 1Things Needed
Drill
Heat shrink tubing
Inexpensive flashlight to modify
3AA battery holder (you may use C or D holders if you want longer battery life)
3 AA NiMH batteries
Paired wires
Wire cutters
Lead free solder
Sand paper
The 3W tactical flashlight was purchased in a pack of 3 for $18 at Costco.
Heat shrink tubing
Inexpensive flashlight to modify
3AA battery holder (you may use C or D holders if you want longer battery life)
3 AA NiMH batteries
Paired wires
Wire cutters
Lead free solder
Sand paper
The 3W tactical flashlight was purchased in a pack of 3 for $18 at Costco.
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