OMRON BUB150RC is the genuine OMRON replacement battery pack for the BU150RC 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 BU150RC shows a battery-replacement alarm or runtime drops, a genuine BUB150RC pack restores the original backup time. Usually ships in 1–3 weeks (back-order from manufacturer). Not sure which pack fits? Check our UPS battery cross-reference or send us your UPS model.Quick facts for international buyers Model BUB150RC Fits UPS models BU150RC 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 OMRON replacement pack (not a third-party re-cell). Lead time Usually ships in 1–3 weeks (back-order from manufacturer). 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.