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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!

BigBattery Solar batteries are deep cycle batteries that need to accomplish 2 things: Reliability & Security. LiFePO4 Lithium is the best source of energy nowadays, because its the most stable type of lithium, stores more energy than any other kind of lithium and Lead acid battery, plus its the most secure to have in our homes and businesses.

Our battery is the lowest priced energy source on the long run, cheaper than lead acid batteries, because it can store almost 50% more energy than Lead acid batteries and can work between 5,000 and 8,000 cycles vs 500 cycles of lead acid batteries.

Online Instant Support

LiveChat, Call & eMail

10 Years Warranty

Replacement Battery Sent

Fastest Shipping

Made In USA

LiFePO4

Best Lithium Technology




It is better to use the right system for your application, than connecting batteries in series or parallel. Let us know your KW solar array and we can help you purchase the right system for your solar application. Click here to order your solar custom BigBattery LiFePO4 system!

BigBattery LifePo4 LITHIUM is the most secure and safest Lithium type, more than Lithium ION and other Lithium type Batteries. Trust your house to the safest and most secure Lithium battery.

It is better to use the right system for your application, than connecting batteries in series or parallel. Let us know your KW solar array and we can help you purchase the right system for your solar application. Click here to order your solar custom BigBattery LiFePO4 system!

BigBattery LifePo4 LITHIUM is the most secure and safest Lithium type, more than Lithium ION and other Lithium type Batteries.Trust your house to the safest and most secure Lithium battery.

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