Mitsubishi Electric FW-ABTL-1.0K is the genuine Mitsubishi Electric replacement battery pack for the FW-A10H-1.0K, FW-A10L-1.0K UPS. It uses sealed lead-acid (VRLA) cells and is non-spillable, so it ships by air as non-restricted cargo.UPS batteries wear out after a few years. When your FW-A10H-1.0K shows a battery-replacement alarm or runtime drops, a genuine FW-ABTL-1.0K pack restores the original backup time. Not sure which pack fits? Check our UPS battery cross-reference or send us your UPS model.Quick facts for international buyers Model FW-ABTL-1.0K Fits UPS models FW-A10H-1.0K, FW-A10L-1.0K Battery type & shipping Sealed lead-acid (VRLA), non-spillable. Ships by air as “not restricted” under IATA Special Provision A67 (terminals protected, marked NON-SPILLABLE). Genuine part Genuine Mitsubishi Electric replacement pack (not a third-party re-cell). Market Genuine new product for the Japanese market. Manuals and labels are in Japanese. Need help? See the OMRON / Mitsubishi UPS battery cross-reference, or contact us with your UPS model and country and we will confirm compatibility before you order. Manufacturer specificationsUses a long-life battery (expected life: 5 years, ambient temperature: 20°C). The hot-swap method allows the battery to be replaced even while the UPS is in operation.