
Price: $239.99 - $182.99
(as of Aug 11, 2025 09:46:25 UTC – Details)
Our Certifications
IEC62133/UN38.3/SDS/FCC/CE/ROHS
New Release
Upgrade 12V 100Ah Battery
Upgrade 48V 100Ah Battery
Greater Variety
For 15 years, WattCycle has empowered American families and adventurers with safer, smarter energy storage solutions. Born in 2009 from a small Shenzhen engineering lab, we’ve grown into a trusted global brand by doing one thing exceptionally well: crafting LiFePO4 batteries that prioritize your safety, freedom, and peace of mind.
Recommended by Them
Recommended by Them
Hassle-Free High Capacity: This WattCycle 12V 314Ah Mini LiFePO4 Lithium battery offers an impressive 4.01 kWh of energy, surpassing three 12V100Ah/ 12V 300Ah lithium batteries connected in parallel. Perfect for RVs, solar systems, home storage, trolling motors, and marine use. Supports up to 4S4P configurations for a maximum capacity of 64.307 kWh.
Advanced Conductivity System: Featuring high-grade braided oxygen-free copper wires, this battery delivers 50% higher current output efficiency, supporting devices over 2000W. Ideal for heavy-duty applications. 12V 300Ah LiFePO4 Lithium Battery Upgraded Version.
Superior Protection Technology: Equipped with a built-in 200A BMS for complete protection, it includes premium aluminum cooling fins that dissipate heat 30% faster. It also features a low-temperature cut-off function (-4°F/-20°C) to ensure reliability even in harsh weather conditions.
Full-Aluminum Skeleton Design: The unique full-aluminum internal frame ensures zero swelling risk and provides a robust internal structure. It has passed UL62133 safety tests and is shock-resistant with a durable ABS case.
Smart Bluetooth 5.0 Monitoring: Stay informed about your battery’s voltage and temperature in real-time via Bluetooth 5.0 (up to 300ft range). Compatible with other WattCycle 12V battery systems for golf carts, campers, and backup power solutions.
Lightweight & Powerful Replacement for Lead-Acid Batteries: Equipped with Grade-A cells only, this LiFePO4 battery can last you up to ten years or more with 15,000 DOD cycles. Smaller, lighter, and faster charging without complicated wiring.
Mini Size: WattCycle 12V 314AH Mini lithium batteries are compact with a volume of only 9.76″H x 15.12″W x 7.64″L, allowing it to work effectively in all types of vehicles and applications. Compared with lead-acid and AGM, SLA batteries, it reduces space and weight(59.52lbs) by more than 50%, easy installation and no complicated wiring requirement, making it your first choice for efficient solar energy storage systems and RV camping.
Customers say
Customers find the lithium battery performs flawlessly and offers good value for money, with reliable build quality and Bluetooth connectivity that works well. The battery is praised for its quick charging speed and excellent acceleration, while its compact size makes it ideal for motorhome battery compartments. They appreciate its lightweight design, with one customer noting it’s easy to carry.