A ：Our lithium battery adopts automotive-grade lithium iron phosphate cells, with a standard cycle life of more than 3,500 cycles (remaining capacity ≥ 80%). Optimized design for marine and golf cart scenarios, it supports deep discharge (DOD 100%) use, with intelligent BMS system to precisely control charging and discharging, to ensure 10 years design life.

A: The whole series of products have passed IP67 waterproof and dustproof certification, and the shell adopts marine grade ABS + epoxy resin double-layer protection, with built-in anti-vibration structural design, which can withstand continuous vibration in the ship's traveling and the high humidity environment at sea, and the safety performance far exceeds the industry standard.

A Within 30 days from the date of receipt, if the product has a performance failure that is not caused by human damage, we will bear the round-trip shipping costs for a free replacement or a full refund. Please do not disassemble the battery case or destroy the tamper-evident label before return or exchange.

A: Free repair or replacement of batteries (including BMS system) due to quality problems during the warranty period, except for man-made damage/natural disasters/failure to use in accordance with the instructions.10-year life is the theoretical value of the laboratory, and it is recommended to carry out the healthiness test every year through the official authorized points in actual use (free of charge for the first time), and we provide lifelong technical support.