Preferred way to wire 4 12v batteries in parallel to equalize load and charging - Grand Design Owners Forums
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![A circuit to use 2 single cell li-po / li-on batteries in series and charge them in parallel | 42 Bots A circuit to use 2 single cell li-po / li-on batteries in series and charge them in parallel | 42 Bots](https://42bots.com/wp-content/uploads/2017/06/DTDT-Switch-2S-Battery-parallel-Charging-series-use.jpg)
A circuit to use 2 single cell li-po / li-on batteries in series and charge them in parallel | 42 Bots
![Charging batteries in series when they are connected in parallel in the circuit - Electrical Engineering Stack Exchange Charging batteries in series when they are connected in parallel in the circuit - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/BWr89.png)