{"product_id":"optus-mytab-replacement-battery-37v-3400mah-li-ion","title":"Optus Mytab Li3734T42P3hC86049 Compatible Battery 3.7V 3400mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eOptus Mytab — 3.7V Li-ion Replacement Battery (Li3734T42P3hC86049)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V Li-ion replacement battery rated at 3400mAh (12.58Wh) for the Optus Mytab tablet. It fits where the original cell sits and connects to the same BMS circuitry on the motherboard. Install this when the original battery no longer holds a usable charge or fails to power the tablet on.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMytab fitment:\u003c\/strong\u003e\n    The Mytab uses a single-cell Li-ion pack at 3.7V nominal. The connector pinout and PCB protection circuit match the OEM spec — the tablet's charge IC negotiates with the cell directly, so voltage and connector alignment both matter here.\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 the bench. The BMS responded correctly at both low-voltage cutoff and full-charge termination, with no unexpected trips during load transitions.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration after swap:\u003c\/strong\u003e\n    After fitting the new cell, run the tablet down to automatic shutoff, then charge uninterrupted to 100%. This forces the fuel gauge IC to recalibrate against the new cell's actual capacity curve and clears the inaccurate percentage reading that appears 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\"\u003eMytab shutting down at 15–25% remaining\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Mytab's fuel gauge IC holds a learned voltage curve from the old, degraded cell. When a new cell is installed, the IC still expects the old cell's voltage sag profile at low charge states. Under combined display and WiFi load, voltage drops faster than the IC predicts, triggering a premature shutdown. Run one full discharge-to-shutoff followed by an uninterrupted charge to 100% — after that cycle, the IC recalibrates and the shutoff threshold normalises around 3.3V.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eFast charging not available after battery replacement\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSome Mytab units require the charge IC to complete at least one accepted charge cycle before re-enabling fast charge negotiation via USB-PD. After a battery swap, the IC may default to standard 5V charging until it confirms the new cell's parameters. Plug in using the original charger and cable and allow a full charge to complete without interruption. After that first cycle, fast charge should resume on the next connection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43426096054362,"sku":"BWCS-ZTV910SL-1","price":28.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43426096087130,"sku":"BWCS-ZTV910SL-2","price":32.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43426096119898,"sku":"BWCS-ZTV910SL-3","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-ZTV910SL-1.webp?v=1779930340","url":"https:\/\/batteryweb.com\/products\/optus-mytab-replacement-battery-37v-3400mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}