Quote:
Originally Posted by nickfarmer
Halfords is a car parts chain here in the UK, but the starting batteries wouldn't be very suitable.
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Crank batteries are not ideal but they will likely work just fine. All of the hydraulic cars you have seen most likely anywhere had lots of them in the trunk.
The trick is to not discharge them a whole lot. Unlike the more advanced deep-cycle batteries we have now crankers are only supposed to be used for a second and then as a buffer in case the alternator hiccups or something. Nevertheless as long as you maintain charge above 50% they will last a long time(and you charge them immediately after you finish discharging them).
Its kind of high maintenance because when you park you would need to plug it up and they draw juice pretty heavily even if they are fully charged. But hey if they are coming in free(autozone and probably your halfords have to pay to pay to dispose of them so giving them to you for use saves the owner serious cash. . .think Cooking oil from restaurants. They have to pay someone to dump it unless some dieseler comes along and take it for free every week. All of the local restaurants have deals with like six biodieselers and the owners get to walk away with more cash a year.)