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: Charging Trailer Breakaway Battery???? Carey Weber 02-23-2005, 12:43 PM What is the best way to charge a breakaway battery? Can I use my 12 volt battery charger on the 2 amp / trickle charge setting? Carey <!-- / message --><!-- sig --> dieseljockey 03-01-2005, 07:41 PM I know Tekonsha makes a charger that's inline with your battery on the trailer. DavesDmax 03-02-2005, 12:10 PM I don't understand your set-up. My break away gets it's power from the trailer battery. When the rig is hooked, my trailer battery is charged from the truck bus via the 7 pin connector. Normally, most trailers get the brake power during break-away from the trailer's on-board battery. I guess there are some out there that use a separate DC supply. In that case, using a charger would depend on the type of battery used in that application. Carey Weber 03-02-2005, 04:14 PM I don't understand your set-up. My break away gets it's power from the trailer battery. When the rig is hooked, my trailer battery is charged from the truck bus via the 7 pin connector. Normally, most trailers get the brake power during break-away from the trailer's on-board battery. I guess there are some out there that use a separate DC supply. In that case, using a charger would depend on the type of battery used in that application. Dave this is on a flatbed type trailer not a camper trailer. Carey DavesDmax 03-03-2005, 11:43 AM Sorry, If the break away unit is sealed then there may be a battery inside but that would make the unit pretty good sized. I think any small trickle charger will work if the battery was a lead acid type. Due to the expense I doubt if there are any exotics like Lithium or silver. I picked up a small computer charger that was made for boats from Wally World for about $15.00 | ||