{"product_id":"samsung-galaxy-a14-5g-replacement-battery-385v-4900mah-li-polymer","title":"Samsung Galaxy A14 5G Replacement Battery EB-BA146ABY 3.85V","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSamsung Galaxy A14 5G — 3.85V Li-Polymer Replacement Battery (EB-BA146ABY)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.85V, 4900mAh (18.87Wh) Li-Polymer cell replaces the original EB-BA146ABY battery in the Samsung Galaxy A14 5G (SM-A146M, SM-A146M\/DS, Galaxy A14 5G 2023). It fits the slot directly and mates with the same BMS connector as the factory cell. Swap it in when the original no longer holds a charge or the phone refuses to power on.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSM-A146M series compatibility:\u003c\/strong\u003e\n    All SM-A146M variants share the same 3.85V voltage rail, connector pinout, and BMS handshake protocol — that is why a single cell covers the full variant list, including dual-SIM models.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through charge and discharge on an SM-A146M unit. The BMS accepted the cell without fault codes, fast-charge handshake completed on the second cycle, and the protection circuit tripped correctly at the low-voltage cutoff threshold.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle calibration tip:\u003c\/strong\u003e\n    After installation, disable fast charging in Settings and run one full discharge-to-charge cycle at standard speed. This forces the fuel gauge IC to map its coulomb counter against the new cell's discharge curve before high-current charging pushes load into an uncalibrated state.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Galaxy A14 5G reports wrong battery percentage after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe fuel gauge IC on the A14 5G builds its percentage model from the discharge curve of the cell it was calibrated against — the original factory cell. When you install a new cell, that learned curve no longer matches. The IC is reading voltage and inferring capacity from stale data. One complete discharge cycle from 100% down to automatic shutdown, followed by a full charge to 100%, forces the coulomb counter to relearn the new cell's actual curve. After that cycle, reported percentages will track real remaining capacity accurately.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% on the new cell\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the modem or display draws a high current burst and the cell voltage drops sharply below the BMS cutoff threshold — even though the fuel gauge still shows charge remaining. It is a voltage cliff, not a capacity problem. A fresh Li-Polymer cell has slightly higher internal impedance in the first few cycles, which makes the voltage sag steeper under load. Run two or three full charge-discharge cycles and the impedance settles; the BMS cutoff should stop triggering above 15%. If shutdowns continue past cycle three, check that the battery connector is fully seated — a half-latched connector raises contact resistance and deepens the voltage sag to the same effect.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43391797166170,"sku":"BWCS-SMA146SL-1","price":38.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43391797198938,"sku":"BWCS-SMA146SL-2","price":45.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43391797231706,"sku":"BWCS-SMA146SL-3","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-SMA146SL-1.webp?v=1779142182","url":"https:\/\/batteryweb.com\/products\/samsung-galaxy-a14-5g-replacement-battery-385v-4900mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}