{"product_id":"sharp-tm100-replacement-battery-37v-650mah-li-ion","title":"Sharp TM100 CE-BL100 Replacement Battery 3.7V 650mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSharp TM100 — 3.7V Li-ion Replacement Battery (CE-BL100)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V 650mAh Li-ion replacement cell for the Sharp TM100 smartphone. It replaces OEM part CE-BL100 when the original cell degrades or fails to hold charge. Capacity and connector match the original specification exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTM100 cell format:\u003c\/strong\u003e\n    The TM100 uses a compact 650mAh cell with a low-current BMS tuned to the phone's modest power draw. The connector pinout and protection circuit board dimensions match the original, so the cell seats correctly without modification.\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 TM100-class hardware. The BMS engaged cutoff cleanly at both the low-voltage floor and the 4.2V charge ceiling, with no thermal events during the charge phase.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first install:\u003c\/strong\u003e\n    On first use after installation, disable any fast-charge mode and run one complete discharge-charge cycle at standard rate. This lets the phone's fuel gauge IC map the new cell's discharge curve before making percentage calculations — skipping this step causes erratic percentage readings in early use.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% on the TM100 after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens because the fuel gauge IC is still referencing the old cell's voltage curve. A new cell at 3.65V may look like 20% to the old calibration data, but its actual usable capacity runs out faster under screen and modem load. The phone's BMS then hits the low-voltage cutoff before the percentage counter reaches zero. Run one full discharge to shutdown, then a full charge without interruption — after that cycle the gauge recalibrates and shutdowns stop.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eTM100 not powering on after the replacement cell sat in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion cells self-discharge in storage, and if voltage drops below roughly 2.5V the BMS enters lockout to prevent damage. A locked-out BMS blocks all current flow, so the phone appears completely dead. Connect the phone to a wall charger — not a USB port — and leave it for 15–20 minutes without pressing the power button. The charger trickle-feeds the cell back above the BMS recovery threshold, typically around 2.9V, after which normal charging resumes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43405155303514,"sku":"BWCS-STM100SL-1","price":23.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 2 Year","offer_id":43405155336282,"sku":"BWCS-STM100SL-2","price":26.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 3 Year","offer_id":43405155369050,"sku":"BWCS-STM100SL-3","price":28.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-STM100SL-big.webp?v=1779370298","url":"https:\/\/batteryweb.com\/products\/sharp-tm100-replacement-battery-37v-650mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}