How To Wire In A NOCO Battery Charger To Two Batteries Wired In Parallel

Question

Question:

Which terminal do I connect my positive and negative charger cables to? I’ve attached photos of my batteries bank.

asked by: John L

0

Expert Reply:

It looks like your batteries are wired in parallel so the positive cable of the NOCO Genius Smart Battery Charger # 329-GENIUS10 can be ran to the positive post on one battery and the negative cable from the charger can be ran to the negative post on the same battery. This specific charger only comes with clamps instead of ring terminals so I recommend picking up the Replacement X-Connect Eyelet Terminals # 329-GC002 for a more secure connection to the battery bank.

expert reply by: Kevin C

0

Battery Setup
(click to enlarge)

Dennis

4/21/2024

Hi Kevin, I've been told the proper way to use power from 2 batteries in parallel is to connect the positive lead to the positive on one battery and the negative to the negative post on the other battery. It would seem that if one is to charge this same system of 2 batteries in parallel that the above would apply also. If not could you explain why? Thanks Dennis

Reply

Kevin C.

4/22/2024

@Dennis When batteries are wired in parallel they essentially become one battery with the same voltage but higher amp hour capacity so you you could technically wire the positive and negative cables from the charger to the either battery, it's just typically easier to choose one and put both cables on the same battery because battery storage areas are typically cramped.

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How To Wire In A NOCO Battery Charger To Two Batteries Wired In Parallel

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