Cooling

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Old 02-13-2002, 09:04 PM
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What does everyone use to cool batteries while charging? I have access to lots of old PC fans, is there something specific I nned to look for? I know I need 12 volts, but do I need to do something to limit the amps? I have a 14 amp power supply that runs my charger.

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CS
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Old 02-13-2002, 09:13 PM
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do the battaries get excessively hot that need a fan to cool it down? if they are then there must be something wrong with either the setting of the charger, the charger itself or battaries' problem.
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Old 02-13-2002, 09:20 PM
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The batteries don't get real hot. I can hold them with no problem. I just remember (realize I have slept many times) many years ago racing indoor off-road, everyone had fans to cool the batteries while charging. Was that just a NiCd thing?

I guess what I am ultimately trying to figure out is how many packs I am going to need for a night of racing. If I can just peak the first pack for the main, that whould be great. If they need to cool for 2 hours, then I need 4 packs. I figured if I kept the temp down while charging, it would make them happier if I needed to recharge in between race 1 and 4.

Go easy, I am very new at this.

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Old 02-13-2002, 11:14 PM
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As you stated~~it's a long while ago that ppl use a fan to cool the packs when charging, so need not to worry about it now if your packs are ok after charged~

a fan is a very good tool to cool down the packs while you are discharging the pack after finished the heat~ i guess there's no definite answer about how long you should wait before recharging, i just wait till the packs finish discharging on trays and cool to normal temp. and to be safe wait 15-30 min then it's ok to recharge


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Old 02-13-2002, 11:45 PM
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I still use a fan. Just keeps cold lol. also cool my motor and stuff after a race.
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Old 02-14-2002, 08:57 AM
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I guess I was being stupid last night, cause the fan is only going to pull as many amps as it is rated for. So that solves that problem.

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Old 02-14-2002, 09:08 AM
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You really shouldn't need to cool the batteries while charging. Most modern chargers manage to charge the batterier while keeping them cool.

Now after the race, I do put my packs and motor over a fan. Just so theres a good breeze moving over them.
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