{"product_id":"dopod-s300-replacement-battery-37v-850mah-li-ion","title":"Dopod S300 STAR160 Compatible Battery 3.7V 850mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eDopod S300 \/ 710 — 3.7V Li-ion Replacement Battery (STAR160)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 850mAh Li-ion cell built to the STAR160 specification. It fits the Dopod S300 and 710 smartphones. The cell measures 44.97 × 37.16 × 5.44mm and slots into the same bay as the original unit.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eS300 and 710 platform fit:\u003c\/strong\u003e\n    Both models share the same battery bay dimensions, voltage rail, and connector pinout. The STAR160 part number covers both, so one cell works across the pair without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through a full charge-discharge cycle on an S300 unit. The BMS accepted the charge handshake on the first connection and held voltage within spec across the full discharge curve.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first use:\u003c\/strong\u003e\n    On first installation, disable fast charging if your charger supports it and run one complete discharge-charge cycle at standard rate. This lets the fuel gauge IC map its coulomb counter against the new cell's actual discharge curve before high-current charging begins.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the S300 reports wrong battery percentage after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe S300's fuel gauge IC stores a discharge curve calibrated to the original cell. When a new cell goes in, the IC has no reference data for the new cell's internal resistance or capacity profile. Until it logs a full cycle, the percentage readout is an estimate based on stale data. One complete discharge to device shutoff followed by a full charge resets the coulomb counter and gives the IC a clean reference curve to work from.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% remaining on the replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the cell voltage drops below what the modem or display load can sustain, even though the fuel gauge still shows charge remaining. On a fresh cell with an uncalibrated IC, the percentage shown and the actual cell voltage are out of sync. The phone's protection circuit cuts power at a real voltage floor — typically around 3.2V — regardless of what the gauge displays. Run one full discharge cycle to let the IC anchor its low-voltage threshold to the new cell's actual characteristics.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43405165527130,"sku":"BWCS-DS300SL-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43405165559898,"sku":"BWCS-DS300SL-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43405165592666,"sku":"BWCS-DS300SL-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-DS300SL-1.webp?v=1779370333","url":"https:\/\/batteryweb.com\/products\/dopod-s300-replacement-battery-37v-850mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}