{"product_id":"dell-vostro-1400-replacement-battery-111v-6600mah-li-ion","title":"Dell Vostro 1400 Replacement Battery 11.1V 6600mAh WW116","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eDell Vostro 1400 \/ Inspiron 1420 — 11.1V Li-ion Replacement Battery (WW116)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is an 11.1V, 6600mAh (73.26Wh) Li-ion battery for the Dell Vostro 1400 and Inspiron 1420 notebooks. It replaces OEM part numbers WW116, FT080, FT095, MN151, MN154, and the 312-0xxx series. If your original cell is swelling, dropping charge rapidly, or refusing to hold power under load, this is the direct swap.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVostro 1400 and Inspiron 1420 platform fit:\u003c\/strong\u003e\n    Both models run on the same 11.1V three-cell battery rail, share the same 9-pin SMBus connector, and use the same Dell BMS handshake protocol — one cell covers both chassis 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 full charge and discharge cycles on a Vostro 1400 unit. The BMS communicated charge state correctly, the Dell power manager recognised the cell without error flags, and voltage held steady across CPU stress and display-on load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBIOS learn cycle after installation:\u003c\/strong\u003e\n    After fitting this cell, run one full discharge to hibernate cutoff, then charge uninterrupted to 100%. This resets the Dell BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Vostro 1400 shuts down at 20–30% remaining after a battery swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe Vostro 1400 BIOS maps the fuel gauge against discharge curves stored from the previous cell. When a new cell is installed, the old curve no longer matches actual cell chemistry, so the BIOS calls a voltage cliff earlier than the true empty point. Under full load — CPU boost plus display backlight — the new cell's voltage drops faster than the stale curve predicts, triggering an emergency shutdown. Run two full discharge-to-hibernate cycles followed by uninterrupted charges to 100%. After that, the fuel gauge IC recalibrates against the new cell and the early shutdowns stop.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eDell showing wrong Wh rating in system info after fitting a replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Wh value displayed in Dell's battery meter comes from EEPROM data written at the factory, not from real-time cell measurement. A replacement cell's EEPROM may report a rated Wh figure that differs slightly from the 73.26Wh actual capacity of this battery. This is a data field mismatch, not a cell defect. The discrepancy does not affect charging behaviour or discharge performance — the SMBus charge controller operates on measured voltage, not the EEPROM Wh field.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43410878267482,"sku":"BWCS-DE1420HB-1","price":87.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43410878300250,"sku":"BWCS-DE1420HB-2","price":102.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43410878333018,"sku":"BWCS-DE1420HB-3","price":113.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-DE1420HB-1.webp?v=1779581443","url":"https:\/\/batteryweb.com\/products\/dell-vostro-1400-replacement-battery-111v-6600mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}