# Battery advise. Need help with amps

**URL:** <https://community.electricforum.com/t/battery-advise-need-help-with-amps/3858>\
**Category:** Conversion Kits\
**Created:** [November 10, 2013, 9:48am UTC](https://community.electricforum.com/t/battery-advise-need-help-with-amps/3858 "2013-11-10T09:48:34Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Borgli](https://avatars.discourse-cdn.com/v4/letter/b/a8b319/32.png) [@Borgli](https://community.electricforum.com/u/Borgli)\
**Post date:** [November 10, 2013, 9:48am UTC](https://community.electricforum.com/t/battery-advise-need-help-with-amps/3858/1 "2013-11-10T09:48:34Z")

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How many a/hrs should I aim for. The motor is in a boat and will be running for 20-30minutes. 72v motor.  
Will I be ok with 6 45-60a 12v batteries?

Thanks

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**Author:** ![MikeSarge](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/mikesarge/32/398_2.png) [@MikeSarge](https://community.electricforum.com/u/MikeSarge)\
**Post date:** [January 12, 2014, 9:05am UTC](https://community.electricforum.com/t/battery-advise-need-help-with-amps/3858/2 "2014-01-12T09:05:54Z")

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what kind of boat? more Ah=more range, more V=more speed. I’d err on the side of excess, you’ll be surprised how quickly you can burn through power on the 12v batteries.

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**Author:** ![meghlaa](https://avatars.discourse-cdn.com/v4/letter/m/7c8e57/32.png) [@meghlaa](https://community.electricforum.com/u/meghlaa)\
**Post date:** [May 6, 2016, 1:24am UTC](https://community.electricforum.com/t/battery-advise-need-help-with-amps/3858/3 "2016-05-06T01:24:20Z")

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Find some good brands u will get benifit with batteries…:focus: