{"product_id":"samsung-sph-a760-replacement-battery-37v-950mah-li-ion","title":"Samsung SPH-A760 Replacement Battery 3.7V 950mAh Li-ion","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSamsung SPH-A760 — 3.7V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V Li-ion cell rated at 950mAh (3.52Wh), built as a direct swap for the Samsung SPH-A760 mobile phone. It fits the SPH-A760's original battery bay and connector. Voltage and capacity match the factory spec exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSPH-A760 platform fit:\u003c\/strong\u003e\n    The SPH-A760 uses a single-cell 3.7V Li-ion pack with a specific contact arrangement on the battery door side. This cell matches that voltage rail and connector footprint — the BMS handshake runs at 3.7V nominal, so no negotiation mismatch occurs on power-on.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through a full discharge and charge sequence, monitoring BMS cutoff at both ends. The low-voltage cutoff tripped cleanly before cell stress occurred, and the charge termination cut correctly at top-of-charge — no runaway, no false full signal.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first use:\u003c\/strong\u003e\n    After installing a new cell, run one complete discharge down to auto-shutoff, then charge uninterrupted to 100% before normal use. The SPH-A760's fuel gauge IC was calibrated to the old cell's discharge curve — without one full cycle, percentage readings will drift mid-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 SPH-A760 after cell replacement\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens because the fuel gauge IC still references the discharge curve of the old, degraded cell. When the new cell reaches a voltage point the IC maps to 20–30% on the old curve, it signals a low-voltage emergency and cuts power — even though actual charge remains. The phone isn't faulty. One full discharge-to-shutoff followed by an uninterrupted charge resets the coulomb counter against the new cell. After that cycle, shutdowns at false-low percentages stop.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSPH-A760 not powering on after the replacement battery sat in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion cells self-discharge in storage. If the cell dropped below roughly 2.5V per cell, the BMS enters lockout mode to prevent charging a critically depleted cell — this looks identical to a dead battery or a broken phone. Connect the charger and leave it for 20–30 minutes without pressing the power button. Most BMS circuits allow a trickle recovery charge at this voltage. If the charge indicator appears and voltage climbs above 3.0V, normal charging will resume.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43409458561114,"sku":"BWCS-SMA760SL-1","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43409458593882,"sku":"BWCS-SMA760SL-2","price":30.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43409458626650,"sku":"BWCS-SMA760SL-3","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-SMA760SL-1.webp?v=1779579766","url":"https:\/\/batteryweb.com\/products\/samsung-sph-a760-replacement-battery-37v-950mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}