How to Hook Up 2 x 6 Volt Batteries in Parallel


There are many devices designed to use 6 volt batteries because of their convenient size. Wheelchairs, scooters, golf carts and lanterns are a few examples of devices that can place a heavy demand on their batteries, and users will often want to increase their battery capacity. By connecting two 6 volt batteries in a parallel, you can keep the same 6 volt output, but get the combined capacity of the two batteries.

  • Arrange the two batteries in the battery compartment so that the jumper wires can easily span the distance between the two batteries.

  • Use a wrench to connect a jumper wire between the positive terminals of both batteries.

  • Connect a jumper wire in the same way between the negative terminals of both batteries.

  • Connect the positive and negative leads from the device you are powering to the positive and negative terminals (respectively) of the SAME battery. You can connect to either one of the batteries, but you must use both the terminals on ONE battery. Do not attempt to connect the device to one terminal on each battery.

Tips & Warnings

  • For best results, use two 6 volt batteries that have the same chemistry and capacities.

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  • Photo Credit Zedcor Wholly Owned/ Images
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