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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
KDX qs
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[QUOTE="reepicheep, post: 1409571, member: 104942"] Batteries are typically rated in "Amp Hours". You take the capacity of the battery, divide it by the number of amps you draw, and the result is the number of hours it will run before the battery is discharged. A small motorcycle battery is about 4 amp hours. A standard HID is probably pulling 15 to 30 watts at 12 volts (15/12 = 1.25 amps, 30/12 = 2.5 amps). Therefore, a small motorcycle battery could run the HID for between 3.3 and 1.6 hours provided it started fully charged. Also, lead acid batteries wear quicker when deep discharged like this. You would also need a recharging device for the battery between rides, a traditional battery charger would bake it if left connected, a float charger would take a long time to bring the cell up to power (if ever). If it were me and I wanted to go down this road and homebrew, I would probably try and find a lithium ion battery drill, and use it's batteries and chargers to run the HID, leaving the battery pack as "quick swap". In fact i would probably buy two complete drill kits. One would stay a drill for when I want to drill. The other would have the "handle" recepticle part cut up to become the battery socket on the bike, and I'd keep the rest of the drill as "parts". Then both batteries would be on chargers and come along for the ride when I want a lighted ride, and be available for the drill when I need a drill. I probably wouldn't even bother wiring it into the bike. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
KDX qs
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