Q: What type of cells does this EPEVER 12.8V battery use?
A: It uses high-quality A-grade LiFePO4 cells for high safety and ultra-long cycle life.

Q: What is the cycle life?
A: >5000 cycles at 80% DOD under 25℃ and 0.5C charge/discharge.

Q: Can this battery be connected in series?
A: Yes, supports series connection to reach higher voltage for different power systems.

Q: What protections does BMS provide?
A: Overcharge, over-discharge, over-temperature, low temp, overcurrent, short circuit and cell balance.

Q: Is this battery really IP65 waterproof?
A: Yes, IP65 rated, can be used indoor and outdoor without extra protection cover.

Q: Is it maintenance-free?
A: Yes, fully sealed and maintenance-free, no need to add water or regular checks.

Q: How to maintain and extend battery life?
A: Avoid full discharge; keep operating temperature stable; charge regularly if not in use for long time.

Q: What should I do for long-term storage?
A: Keep SOC 40–60%, recharge every 3 months, store in cool dry and ventilated place.

Q: Can I use it for RV, solar and marine systems?
A: Yes, perfect for solar storage, RV, marine, off-grid home and emergency backup power.

Q: Do I need extra charger?
A: It works with standard 12V LiFePO4 chargers and solar charge controllers.

Q: How to clean the battery safely?
A: Use dry cloth only. Do not use water, detergent or corrosive liquid.

Q: Will low temp affect battery performance?
A: Discharge supports -20℃, but charging below 0℃ is not recommended.

Q: Is it compatible with most inverters?
A: Yes, works with mainstream 12V solar inverters and energy storage devices.

Q: What certifications does it have?
A: UN38.3, MSDS, IEC62619 certified for safe use and global transportation.