{"product_id":"toshiba-genio-e500-replacement-battery-37v-1200mah-li-polymer","title":"Toshiba Genio E500 Replacement Battery 3.7V 1200mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eToshiba Genio E500 Series — 3.7V Li-Polymer Replacement Battery (LAB544060C)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 1200mAh Li-Polymer cell built to the LAB544060C specification. It fits the Toshiba Genio E500, E500x, E550, and E570 — early-2000s Pocket PC handhelds used for personal data management. Swap this cell when the original no longer holds a charge or the device shuts down unexpectedly during use.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenio E500 series fit:\u003c\/strong\u003e\n    The E500, E500x, E550, and E570 all share the same battery bay geometry, connector pinout, and 3.7V power rail. One part number covers the full range because the BMS handshake is identical across these variants.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through charge and discharge on a Pocket PC platform. The BMS handled charge termination cleanly at full capacity, and the protection circuit tripped correctly at the low-voltage cutoff threshold — no runaway, no false cutoff mid-cycle.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eRAM retention before battery removal:\u003c\/strong\u003e\n    Sync all open data to a host PC before pulling the old cell. The Genio E500 keeps active application state and unsaved records in volatile SRAM. That SRAM is powered directly by the main battery — cut power and that data is gone.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Genio E500 loses all contacts and calendar entries after a battery swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe Genio E500 runs Windows Mobile on top of SRAM — not flash storage. Contacts, calendar entries, and unsaved application data live in RAM while the device is in use. That RAM needs continuous voltage from the battery to retain its contents. When the battery is removed, even briefly, the RAM loses power and wipes everything stored in it. Always perform a full ActiveSync to your PC before the swap, then restore after the new cell is charged and the device boots cleanly.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eGenio E500 stuck on the boot screen after fitting a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA fresh cell shipped in storage state can sit below the minimum voltage the Genio E500 boot sequence needs to complete. The device powers on, reaches the splash screen, then stalls or loops. This is a low-voltage boot failure, not a fault with the battery or the device. Connect the charger immediately after fitting the new cell and charge to at least 3.9V before attempting to power on.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43415950000218,"sku":"BWCS-E500SL-1","price":31.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 2 Year","offer_id":43415950032986,"sku":"BWCS-E500SL-2","price":36.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 3 Year","offer_id":43415950065754,"sku":"BWCS-E500SL-3","price":40.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-E500SL-big.webp?v=1779758425","url":"https:\/\/batteryweb.com\/products\/toshiba-genio-e500-replacement-battery-37v-1200mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}