{"product_id":"nokia-105-2023-replacement-battery-37v-1300mah-li-ion","title":"BL-L5H Nokia 105 2023 Replacement Battery 3.7V 1300mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eNokia 105 2023 \/ 105 4G — 3.7V Li-ion Replacement Battery (BL-L5H)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 1300mAh Li-ion replacement battery for the Nokia 105 2023, Nokia 105 4G, and variants TA-1385-DS and TA-1551. It uses OEM part number BL-L5H and matches the original cell's voltage rail and connector footprint. Capacity figures are taken directly from product data at 1300mAh (4.81Wh).\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003e105 2023 and 105 4G compatibility:\u003c\/strong\u003e\n    Both the 105 2023 and 105 4G share the BL-L5H form factor, voltage rail, and connector pinout. The BMS handshake on these variants expects the same 3.7V nominal cell — swapping between them requires no adapter or firmware change.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through full discharge and recharge on a Nokia 105 4G unit. The BMS accepted the cell without error flags, and charge termination triggered correctly at the expected cutoff voltage.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration after swap:\u003c\/strong\u003e\n    On first use, run one complete discharge down to automatic shutdown, then charge uninterrupted to 100% before using the phone again. This gives the coulomb counter a clean reference curve for the new cell and prevents early percentage drift.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Nokia 105 reports wrong battery percentage after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe 105's fuel gauge IC builds its percentage model from the discharge curve of the original cell. When a new cell goes in, that stored curve no longer matches actual cell behaviour. The gauge then reports percentages based on stale data — often reading 100% too quickly or dropping faster than the real charge level warrants. One full discharge-to-shutdown followed by a full uninterrupted charge resets the coulomb counter's baseline against the new cell. After that cycle, percentage readings stabilise.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 15–25% on the replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the cell voltage drops sharply under load — the modem polling or screen burst draws current the cell can't sustain at low state of charge, and voltage collapses past the BMS cutoff threshold before the gauge reaches 0%. It is a voltage cliff, not a capacity fault with the replacement cell itself. The fix is to run two full discharge-charge cycles after installation so the fuel gauge recalibrates its low-voltage slope. If shutdowns persist past three cycles, check that the battery connector is fully seated — a loose contact raises effective impedance and worsens voltage sag.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43391798247514,"sku":"BWCS-NKT105SL-1","price":40.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43391798280282,"sku":"BWCS-NKT105SL-2","price":47.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43391798313050,"sku":"BWCS-NKT105SL-3","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-NKT105SL-1.webp?v=1779142182","url":"https:\/\/batteryweb.com\/products\/nokia-105-2023-replacement-battery-37v-1300mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}