{"product_id":"hp-x360-310-g2-replacement-battery-114v-3950mah-li-ion","title":"HV03XL HP X360 310 G2 Replacement Battery 11.4V 3950mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eHP X360 310 G2 — 11.4V Li-ion Replacement Battery (HV03XL)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is an 11.4V, 3950mAh (45.03Wh) Li-ion replacement battery for the HP X360 310 G2 convertible laptop. It slots into the same bay as the original HV03XL and carries the same voltage rail and connector pinout. Also cross-references as HSTNN-LB7B, 818418-421, and 817184-005.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eX360 310 G2 platform fit:\u003c\/strong\u003e\n    HP locked this battery spec to the 310 G2 convertible chassis — the 11.4V three-cell arrangement matches the board's charging IC expectations. Using a lower-voltage cell on this platform causes the controller to report a fault before the cell even finishes seating.\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 310 G2 platform. The BMS handshake completed on first insertion, charge current ramped correctly from CC to CV phase, and the fuel gauge IC accepted the new cell data without stalling at 0%.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle calibration on the 310 G2:\u003c\/strong\u003e\n    After installing, run one full discharge down to hibernate-cutoff, then charge uninterrupted to 100%. This forces the BIOS battery learn cycle to reset against the new cell's actual capacity and clears the false \"poor health\" warning that almost always appears after a cell swap on this model.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBIOS reporting battery health as poor after installing the HV03XL replacement\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe HP 310 G2 BIOS reads health data from the cell's EEPROM and compares it against the previous battery's learned cycle history. A brand-new cell has a clean EEPROM — the BIOS interprets this as degraded rather than new. Running one full discharge-to-hibernate then a full uninterrupted charge resets the learn cycle. After two to three calibration cycles, the health report normalises. No firmware update is needed.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eLaptop shutting down at 20–30% charge shown on screen\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the fuel gauge IC hasn't yet mapped the new cell's actual discharge curve. The old curve data causes the OS to misread remaining capacity, and the laptop cuts out before the gauge reaches 0%. It's not a faulty cell — it's a calibration gap. Run two full discharge-to-hibernate cycles followed by uninterrupted full charges. After the second cycle, the gauge should track accurately and the early shutdowns stop. Confirm the cell is holding above 10.5V under load before ruling out a cell fault.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43409609424986,"sku":"BWCS-HPX310NB-1","price":58.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43409609457754,"sku":"BWCS-HPX310NB-2","price":68.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43409609490522,"sku":"BWCS-HPX310NB-3","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-HPX310NB-1.webp?v=1779580172","url":"https:\/\/batteryweb.com\/products\/hp-x360-310-g2-replacement-battery-114v-3950mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}