WORLD’S THINNEST BATTERY! BigBattery’s 12V 1.76 kWh RZBK battery is the thinnest and safest solution for your RVs and other 12V applications.

BigBattery takes pride on being energy innovators, and in only 1.5 inches of thickness, they’ve packed their advanced BMS, a 100A Breaker, and brand new LFP Razor cells. These cells are some of the safest lithium cells available today, capable of being fully punctured without releasing hazardous fumes or catching fire. When it comes to safety, the RZBK is unmatched.

If you’re looking for safe, portable, discreet power storage with a unique ability to fit into slim spaces, the RZBK is your answer. One of the most power dense units we offer, the RZBK can be paralleled together for a robust power system that doesn’t have to eat up valuable space and weight in your RV or camper van. Upgrade to the RZBK today!

Meet the revolutionary self-heating function. This technology allows you to charge your batteries in cold environments effortlessly. When connected to an input, the self-heating function will start operating automatically once the battery temperature drops below 41°F (5°C).

The Renogy RBT100LFP12SH-US Lithium Iron Phosphate Battery w/Self-Heating enables auto-balance among parallel connections and provides more flexibility for battery connection. The integrated smart battery management system (BMS) , state-of-the-art battery cells ,and self-heating function ensure a long cycle life and exceptional discharge performance. If you’re searching for a deep cycle battery for caravan, cabin, or marine use, this lightweight, auto-balanced, ultra-safe, long-cycle-life lithium-ion battery is the perfect solution for you!