{"product_id":"partner-em-100-replacement-battery-37v-7600mah-li-polymer","title":"ParTner EM-100 Tablet Replacement Battery 3.7V 7600mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eParTner EM-100 — 3.7V Li-Polymer Replacement Battery (21 1602 1114 001)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V, 7600mAh lithium-polymer battery replaces the original cell in the ParTner EM-100 tablet. It matches the OEM part number 21 1602 1114 001 and fits the EM-100 form factor directly. Capacity is 28.12Wh — sourced to match the original cell specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEM-100 platform fit:\u003c\/strong\u003e\n    The ParTner EM-100 uses a single-cell Li-Polymer configuration with a dedicated fuel gauge IC that tracks charge state. Voltage, connector pinout, and cell dimensions — 106.80 x 93.20 x 6.30mm — match the original, so the charge IC communicates with the new cell without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran charge and discharge cycles on the EM-100 platform to confirm the BMS accepted the new cell without triggering a protection cutoff. Charge termination occurred cleanly at full voltage with no fault flags logged.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration after swap:\u003c\/strong\u003e\n    After installation, run the tablet down to automatic shutoff, then charge uninterrupted to 100%. This gives the fuel gauge IC one full reference cycle against the new cell and corrects the inaccurate percentage readings that typically appear immediately after a battery swap.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eParTner EM-100 shutting down at 15–25% remaining\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe EM-100's fuel gauge IC was calibrated to the old, degraded cell. When a new cell is installed, the IC's discharge curve model no longer matches the actual cell chemistry, so it miscalculates the cutoff point. The display backlight combined with active Wi-Fi creates a combined load spike that the IC reads as a voltage cliff — triggering shutdown before the cell is actually depleted. Run one full discharge to automatic shutoff followed by an uninterrupted charge to 100% to force the IC to re-map the discharge curve against the new cell. After one complete cycle, the shutdown threshold should stabilise above 5%.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eFast charging not available on EM-100 after battery replacement\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eFast charge on the EM-100 depends on the charge IC completing a successful USB-PD negotiation handshake — and that handshake references the battery's charge state data. On the first cycle with a new cell, the IC defaults to standard charge rate as a safety measure until it has one accepted cycle on record. This is not a fault with the replacement cell. Charge the tablet fully at standard rate once, then reconnect to a USB-PD charger — fast charge capability will resume from the second cycle onward.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43425822081114,"sku":"BWCS-PEM100SL-1","price":43.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 2 Year","offer_id":43425822113882,"sku":"BWCS-PEM100SL-2","price":51.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 3 Year","offer_id":43425822146650,"sku":"BWCS-PEM100SL-3","price":56.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PEM100SL-1.webp?v=1779929853","url":"https:\/\/batteryweb.com\/products\/partner-em-100-replacement-battery-37v-7600mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}