BigBattery Lithium batteries have a track record for being the most reliable while guaranteeing you a worry-free experience. Cut down on generator time and minimize charge times with our advanced lithium RV trailer battery solutions. Talk with a customer service representative to select the best battery to pair with your inverter/charger or solar charge controller equipment to maximize your charge efficiency and battery life.

Getting rid of your old gas generator is now an option thanks to our state-of-the-art RV trailer battery solutions designed around our lithium batteries. All our batteries come equipped with a battery management system that can be used with any alternator, inverter or solar charge controller! Big Battery’s system provides your vehicle with reduced weight for optimal fuel efficiency on long road trips & Zero maintenance over generators or common lead-acid battery alternatives.

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10 Years Warranty

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LiFePO4

Best Lithium Technology

OUR HAPPY CUSTOMERS

John Adam
John Adam
@johnadam58
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The BEST customer service I’ve ever dealt with. They answer the phone every time and will spend as much time as needed talking to me about the battery or related systems. Billiy helped me out today and he was super friendly and knowledgeable. This is what you get when you buy high quality products from companies with employees located in the United States.
Tim Savage
Tim Savage
@timsavager
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I can't say enough about the customer service provided by BigBattery.com. Billy was fantastic and provided excellent information and was incredibly helpful regarding the parts I needed, as well as the ones I didn't. This is my second purchase from BigBattery.com and I will definitely buy from them again. Great company, great product, and fantastic customer service.
Juan Pablo
Juan Pablo
@N\A
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Great investment in long lasting energy. I got tired of checking my batteries water levels, discharge level, how many years old are they. This battery is amazing. After researching this for some time, I'm very happy to have pulled the trigger. Amazing warranty too. Best bang for my buck!
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