Phoenix Battery Fighter BS0442K Size 2 Battery Storage & Charging Safe with Key LockTHE PHOENIX BATTERY FIGHTER has been meticulously designed to meet the demands of both residential and commercial settings, ensuring reliable storage and effective charging of Lithium-Ion batteries. Rechargeable batteries carry inherent risks, notably thermal runaway triggered by temperature fluctuations, impacts, or production flaws. These risks imperil safety, potentially leading to hard-to-extinguish battery fires that pose serious threats to lives and property.