Happy Campers RV Holding Tank Treatment – 64 treatments

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Meet the GENIUS5 – Similar to our G3500, just better. It’s 34% smaller and delivers 65% more power. It’s the all-in-one solution – battery charger, battery maintainer, trickle charger, plus battery desulfator.
Do more with Genius – Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.

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The blade fuses are clearly marked with amperage and color coded for easy identification
Available in amperage ratings of 2A to 40A (rated at 32 volts), you could always find one that fits your auto