{"product_id":"motorola-xoom-2-101-replacement-battery-37v-6700mah-li-polymer","title":"Motorola TB40 Xoom 2 10.1 Replacement Battery 3.7V","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMotorola Xoom 2 10.1 Series — 3.7V Li-Polymer Replacement Battery (TB40 \/ SNN5896A)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 6700mAh Li-Polymer replacement battery for the Motorola Xoom 2 10.1-inch Android tablet. It fits the MZ615, MZ616, and MZ617 variants. Capacity is 24.79Wh — matching the original TB40 specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMZ615 \/ MZ616 \/ MZ617 platform fit:\u003c\/strong\u003e\n    These three MZ-series tablets share the same battery bay dimensions, connector orientation, and charge IC handshake. One cell covers all three — no adapter or modification needed.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through charge and discharge cycles on an MZ615 unit. The BMS accepted the charge IC handshake on the first cycle, voltage held stable across display-on and WiFi-active load states, and the protection circuit tripped correctly at the low-voltage cutoff threshold.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-installation fuel gauge reset:\u003c\/strong\u003e\n    After fitting this battery, run the tablet down to automatic shutoff — do not force-power it off — then charge uninterrupted to 100%. This gives the fuel gauge IC a full reference range against the new cell and clears the inaccurate percentage readings that appear immediately after a swap.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eXoom 2 shutting down at 15–25% battery remaining\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the fuel gauge IC is still calibrated to an old, degraded cell whose voltage curve dropped steeply in that range. The new cell has a flatter discharge curve, but the IC doesn't know that yet. The tablet reads the voltage, maps it against its stored curve, and triggers a low-battery shutdown earlier than it should. One full discharge-to-shutoff followed by an uninterrupted charge to 100% recalibrates the IC against the actual voltage curve of the new cell. After that cycle, shutdowns at 15–25% stop.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eFast charging not available after battery swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSome Xoom 2 units require one complete accepted charge cycle before the charge IC re-enables higher current delivery to a new cell. This is a protection behaviour — the controller runs an initial slow-rate cycle to profile the new cell before allowing full charge current. Use the original Motorola charger for the first charge, not a third-party adapter. After that first full cycle completes, fast charging resumes at the normal rate on subsequent charges.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43426076426330,"sku":"BWCS-MTX615SL-1","price":43.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43426076459098,"sku":"BWCS-MTX615SL-2","price":50.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43426076491866,"sku":"BWCS-MTX615SL-3","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MTX615SL-1.webp?v=1779930339","url":"https:\/\/batteryweb.com\/products\/motorola-xoom-2-101-replacement-battery-37v-6700mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}