LNSLNM® UPS-500AD Muti-functional Portable Uninterruptible Power Supply(UPS) High Power & Portable Power LNSLNM® UPS-500AD use new lithium technology and boast a remarkable 288WH of energy! A high-density lithium-ion battery makes UPS-500AD significantly smaller and lighter than lead-acid power pack alternatives. Eco-Friendly Power Supply and Easy to Use UPS-500AD is completely fumeless and fuel-less and produces clean, safe and …