{"product_id":"samsung-gt-i9080-replacement-battery-38v-2100mah-li-ion","title":"Samsung Galaxy Grand EB535163LU Replacement Battery 3.8V 2100mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSamsung Galaxy Grand GT-i9080 \/ GT-i9082 — 3.8V Li-ion Replacement Battery (EB535163LU)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.8V, 2100mAh Li-ion replacement cell for the Samsung Galaxy Grand and Galaxy Grand Duos. It fits GT-i9080, GT-i9082, and 13 additional Samsung models sharing the EB535163LU \/ EB535163LA part number. Swap it when your original cell no longer holds a usable charge through a normal day of use.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGT-i9080 and GT-i9082 compatibility:\u003c\/strong\u003e\n    Both the single-SIM Grand and the Duos dual-SIM variant use the same physical cell format, connector pinout, and BMS handshake protocol — one cell covers both boards. The EB535163LA designation is a regional variant of the same unit.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell on a GT-i9082 board and confirmed the BMS completed a full charge cycle without triggering an over-voltage cutoff. The charge IC accepted the cell on first insertion without a reset sequence.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first cycle:\u003c\/strong\u003e\n    After fitting this cell, run one complete discharge down to auto-shutoff before charging back to 100%. The Galaxy Grand's fuel gauge IC calibrates its coulomb counter against the discharge curve of the installed cell — skipping this step causes the percentage indicator to drift or jump erratically 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 Galaxy Grand after a cell swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the fuel gauge IC is still running the discharge curve it learned from the old, degraded cell. The new cell has a steeper voltage cliff under modem and display load than the IC expects at that state-of-charge reading. When the actual cell voltage drops below the board's cutoff threshold, the phone shuts off — even though the percentage display still shows charge remaining. One full discharge-to-shutoff cycle lets the coulomb counter remap against the new cell's actual curve. After that cycle, shutdowns at false-high percentages stop.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eGalaxy Grand shows wrong battery percentage after replacement\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe fuel gauge IC on the GT-i9080 stores learned capacity data from the previous cell in non-volatile memory. After installing a new cell, that stored data no longer matches the actual cell characteristics, so the percentage readout is unreliable — often reading high and then dropping suddenly. Drain the phone completely until it powers off on its own, then charge uninterrupted to 100% without unplugging early. That single full cycle forces the IC to rewrite its reference curve against the new cell. Percentage accuracy stabilises within one or two cycles after that.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43404320931930,"sku":"BWCS-SMI912XL-1","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43404320964698,"sku":"BWCS-SMI912XL-2","price":33.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43404320997466,"sku":"BWCS-SMI912XL-3","price":37.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/batteryweb.com\/products\/samsung-gt-i9080-replacement-battery-38v-2100mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}