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Old 07-16-2012, 09:12 PM   #1
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Location: Canada
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Stepped out and got 2 6V Trojans (T-105)

Purchased 2 T105 Trojan Batteries and wired them in series. The dealer mentioned that I should charge them after each use and if possible charge them at 6V as it will give them a fuller charge.

Last night after using them for 2 days I brought them home and set them up in parallel so I could charge them at 6V using a Canadian Tire charger using the 15AMP setting. After 12 hours I checked on them and they were putting out 6.71V each and were making a boiling sound while on the charger. Doesn't seem right. It looked like the charger was putting out around 10AMPS.

Any suggestions on charging them?
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Old 07-16-2012, 09:30 PM   #2
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sounds like the impedance was too low with the batteries paralleled. you were "boiling" off the fluid.

To charge them, keep them in series. use a quality charger, such as a Progressive Dynamics with the charge wizard. a cheap auto charger will just overcharge them. If you upgrade your converter in your camper to the PD with wizard, it'll take care of the batteries perfectly. You'll still have to check fluid though!

oh, check the fluid often and only add distilled water!
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