Battery charging question - RCCanada - Canada Radio Controlled Hobby Forum
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Old 03-13-2011, 03:01 PM   #1
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Battery charging question

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Just bought a starter box battery (Panasonic LC-R127R2P 12v, 7.2Ah/20HR) it's one of those black brick shapped batterys. The charger I have is a MotoMaster Eliminator. The Panasonic battery states initial current less than 2.88A and the lowest ampage on the charger is 4 A or 4-25 A Optimal, Would it be safe to charge this battery on 4A outside in a cool area?

And roughly how long would it take to charge? and will the charger stop charging once it reaches it's limit.

Thank you.
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Old 03-13-2011, 05:08 PM   #2
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No, don't charge this battery at 4 amps... way too much and may damage the battery. I would stick to the manufacturer's recommendation. Personally, I charge these batteries around 700 mA (0.7 Amps). Takes about 10 hrs or less.
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Old 03-13-2011, 09:27 PM   #3
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I have a 1.5 amp charger that I use for mine. Works great. You can get them at Canadian Tire or Walmart.
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Old 03-14-2011, 06:52 AM   #4
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I charge my gel cell at 4 amps with a 12volt charger ment for car batt's. and I leave it on charge for 1-2 hrs or once the batt hits 13 volts.... they are cheap at Princes Auto and I tend to forget about them in the winter months and they go flat so I send them to be reclaimed each spring.
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