# DIY 12V 100Ah Marine Battery - Support in parallel or in series

**URL:** <https://forum.gcaptain.com/t/diy-12v-100ah-marine-battery-support-in-parallel-or-in-series/57224>\
**Category:** Marine Engineering\
**Created:** [October 26, 2020, 3:07am UTC](https://forum.gcaptain.com/t/diy-12v-100ah-marine-battery-support-in-parallel-or-in-series/57224 "2020-10-26T03:07:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Jamesbrady](https://avatars.discourse-cdn.com/v4/letter/j/a88e4f/32.png) [@Jamesbrady](https://forum.gcaptain.com/u/Jamesbrady)\
**Post date:** [October 26, 2020, 3:07am UTC](https://forum.gcaptain.com/t/diy-12v-100ah-marine-battery-support-in-parallel-or-in-series/57224/1 "2020-10-26T03:07:38Z")

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[![](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/f/b/fb8bc37ee257ef3853667596a5a157b6700a42a3.jpeg "Seplos 12V 100AH LiFePO4 Battery Pack Installation with BMS Built-in, Run In Series or Parallel") ](https://www.youtube.com/watch?v=dT2csETUYSc)