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Optima Batteries

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6. Once the harnesses is routed and mounted in the engine compartment, two Optima YellowTop batteries will power the entire system. The batteries, sealed with spiral cell technology, are spill-proof and maintenance-free, so we mounted them up and out of the way with an Off Road Evolution dual battery holder. Keep your eyes peeled for more on this Hotwire harness in future installments of the Scratch-Built Scrambler buildup.