{"product_id":"orange-lisbon-replacement-battery-37v-550mah-li-ion","title":"Orange Lisbon 3.7V Replacement Battery Li3707T42P3h463848 550mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eOrange Lisbon — 3.7V Li-ion Replacement Battery (Li3707T42P3h463848)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V Li-ion cell rated at 550mAh (2.04Wh), built to the same form factor as the original Orange Lisbon battery. It fits the Orange Lisbon smartphone directly, using the OEM part number Li3707T42P3h463848 as the reference spec. Physical dimensions are 45.41 × 37.32 × 4.22mm — confirm clearance before fitting.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrange Lisbon compatibility:\u003c\/strong\u003e\n    The Lisbon uses a compact single-cell 3.7V pack with a low-current BMS matched to its modest processor and modem draw. This replacement matches that voltage rail and connector pinout, so the charge IC on the mainboard sees the correct cell parameters on first boot.\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 the bench, monitoring BMS handshake and cutoff behaviour. The protection circuit triggers correctly at the low-voltage threshold and does not false-trip under normal screen and modem load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first use:\u003c\/strong\u003e\n    On first use after installation, disable fast charging if available and run one complete discharge-to-charge cycle. This lets the fuel gauge IC map the new cell's discharge curve before reporting percentage to the OS — skipping this step causes erratic readings for the first several cycles.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Lisbon reports wrong battery percentage after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe fuel gauge IC on the Lisbon mainboard holds a learned model of the old cell's voltage-to-capacity curve in memory. When a new cell goes in, that stored model no longer matches the actual discharge profile of the fresh cell. The OS reads percentage from the fuel gauge, not directly from cell voltage, so it inherits the error. One full discharge down to automatic shutdown followed by a complete charge resets the coulomb counter and forces the IC to re-learn against the new cell.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% on the replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the cell voltage drops sharply under load — a voltage cliff — even though the reported percentage looks safe. At 20–30% state of charge, the cell's internal resistance causes voltage to sag below the modem's minimum supply rail the moment a call or data burst fires. The phone shuts down to protect the SoC, not because the BMS triggered. Let the phone sit off for two minutes after shutdown, then power it back on — if it boots to 15–20%, the fuel gauge was over-reading and needs a full recalibration cycle from 100% charge down to automatic cutoff.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43405073023066,"sku":"BWCS-ZTF228SL-1","price":21.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43405073055834,"sku":"BWCS-ZTF228SL-2","price":24.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43405073088602,"sku":"BWCS-ZTF228SL-3","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-ZTF228SL-1.webp?v=1779369935","url":"https:\/\/batteryweb.com\/products\/orange-lisbon-replacement-battery-37v-550mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}