We know it can be tough when trying to set up or upgrade your home or RV’s power system and you’re bombarded with tons of different battery choices, inverters, chargers, and other components you’ll need to get up and running. BigBattery seeks to cut out that confusing shopping experience and wasted time with our new Kit Systems. These lithium-ion upgrade kits provide you with a one-stop solution for getting your power system’s up and running quickly and painlessly.