How many batteries can i wire in series / parallel

• am

  alfie minnies

  11/5/22, 9:00 AM

  hi all, looking to power our off grid office with batteries and a 24volt inverter and 6 400w panels.

   

  my question is this, currently we have 4 AGM batteries wired in series and parallel giving us 24volts

   

  i have read that you can wire 4 eco flow batteries lithium ion in this configuration but can you wire 6

   

  also the office is in th euk so not too cold but should i imclude a way of stopping the room going below 0 degrees in winter or is  there something that we can buy to keep them at the best temp i winter

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• DC

  David Cardwell

  1/4/24, 2:21 AM

  The question is the balancing of the batteries. Its recomended in Parallel not to exceed 4. In series you may want to utilize an external balancer. I would look to solve the issue by using larger amp hour batteries over quantity  of batteries. 24 and 48 volt batteries are not recommended for parallel.. Calculate max load and max charge potential and find the balanced value between select your battery bank config add balancing where needed.

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