How To Wire 2 Batteries: Parallel, Series, or Both for 2x Volts, 2x Capacity


Batteries Wired in Parallel

Two batteries wired in Parallel yield the same voltage with double capacity.

Batteries Wired in Parallel
Batteries Wired in Parallel ~ Same Voltage, Double Capacity

Batteries Wired in Series

Two batteries wired in Series yield double voltage, same capacity.

Batteries Wired in Series
Batteries Wired in Series ~ Double Voltage, Same Capacity

Batteries Wired in Series and Parallel

Four batteries wired in both Series and Parallel yield double voltage, double capacity.

Batteries Wired in Series and Parallel
Batteries Wired in Series and Parallel ~ Double Voltage, Double Capacity

Hooking Up Two Batteries In Parallel (12 volts) or Series (24 Volts)

Stacey David walks you through different ways you can wire dual batteries in your vehicle…