# DIY Battery charging

**URL:** <https://community.electricforum.com/t/diy-battery-charging/5375>\
**Category:** Do It Yourself (DIY)\
**Created:** [November 17, 2014, 12:31pm UTC](https://community.electricforum.com/t/diy-battery-charging/5375 "2014-11-17T12:31:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Old\_Houseboater](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/old_houseboater/32/544_2.png) [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\
**Post date:** [November 17, 2014, 12:31pm UTC](https://community.electricforum.com/t/diy-battery-charging/5375/1 "2014-11-17T12:31:34Z")

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DIY ARTICLE

HOW TO CHARGE BATTERIES WHEN YOUR ABSENT

(also published in battery section)

I want to turn on my battery charger for 12 hours every 2 weeks while i’m out of town.

Charger draws 12 amps

Has to be on 12 hours

How do I do this?

Purchase one Defiant model 49814 7 day timer ($24.97) and one Defiant 15 amp 24 hour timer model 49829 ($14.97) from Home Deopt.

Set the 7 day timer for 12 hours on time every 7th day

Set the 24 hour timer for 12 hours on time.

This will power the charger for 12 hours every 2 weeks.