![12 Volt Parallel Battery Connection Kit (RCE12VBPK) Lithium Compatible | Connect-Ease. Get Connected Connect all your marine equipment with ease. 12 Volt Parallel Battery Connection Kit (RCE12VBPK) Lithium Compatible | Connect-Ease. Get Connected Connect all your marine equipment with ease.](https://cdn.shopify.com/s/files/1/0861/5080/products/30_RCE12VBPK_1892x.jpg?v=1584492226)
12 Volt Parallel Battery Connection Kit (RCE12VBPK) Lithium Compatible | Connect-Ease. Get Connected Connect all your marine equipment with ease.
Preferred way to wire 4 12v batteries in parallel to equalize load and charging - Grand Design Owners Forums
![Charging 12V batteries in series-parallel using a 24V charger - Electrical Engineering Stack Exchange Charging 12V batteries in series-parallel using a 24V charger - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/upOUj.jpg)