Amazon.com: Yuasa NP12-12 12V 12Ah Replacement Battery with F2 Terminal : Health & Household
Amazon.co.jp: Taiwan YUASA NP18-12 Batteries, Pack of 2, Battery for UPS, Uninterruptible Power Supply, Storage Device, Small Sealed Lead Acid Battery (12V 18Ah), Xiden Industry Weights BW-150DBX : Automotive