12.8V 170Ah (2.176 kWh) Sub-Zero Expedition RV & Marine Battery
Engineered specifically for campervans, expedition RVs, and marine craft operating in extreme cold weather. Operating down to −40 °C with 85%+ capacity retention, eliminating cold-induced lithium battery freezing and shutdowns.
Electrochemistry Built for Extreme Durability
Designed for extreme cold, inherent safety, smart control, and consistent automated production.
−40 °C Extreme Cold Operation
Maintains usable capacity in freezing climates without internal heating pads.
Zero Thermal Runaway
Stable sodium chemistry resists fire propagation under severe safety testing.
Smart Automotive-Grade BMS
CAN and RS485 communication with cell-level balancing and full electrical protection.
Automated PACK Production
Laser welding, cell grading, and factory acceptance testing in our Huizhou campus.
Verified Specifications
Documented parameters tested under factory quality-control conditions.
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Quality & Documentation Provided
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