{"product_id":"mitac-minote-8599-replacement-battery-148v-4400mah-ni-cd","title":"Mitac MiNote 8599 Replacement Battery 14.8V 4400mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMitac MiNote 8599 \/ 8399 — 14.8V Ni-CD Replacement Battery (441684410001)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 14.8V, 4400mAh (65.12Wh) nickel-cadmium replacement battery for the Mitac MiNote 8599 and MiNote 8399 notebook computers. It fits directly into the battery bay and connects via the original multi-pin dock connector. Install it when the original cell no longer holds charge through a standard work session away from AC power.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMiNote 8599 and 8399 platform fit:\u003c\/strong\u003e\n    Both models share the same 14.8V four-cell Ni-CD battery bay, identical connector pinout, and matching BMS handshake protocol — one cell fits both 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 and monitored BMS communication. Charge acceptance hit 4400mAh within spec, and the BMS signalled clean termination at the 14.8V ceiling with no fault flags.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle conditioning on Ni-CD:\u003c\/strong\u003e\n    Ni-CD cells are susceptible to voltage depression if the first few cycles are shallow. After installing, run the laptop on battery until it hibernates at cutoff, then charge uninterrupted to 100%. Do this twice. This prevents the memory effect from locking in below actual capacity and resets the BIOS battery learn cycle so the health indicator reads correctly.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBIOS reporting poor battery health immediately after installing a new cell\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe MiNote BIOS stores cycle count, charge history, and health status in EEPROM data carried over from the previous cell. When a new cell is installed, the BIOS reads that legacy EEPROM data and flags the battery as degraded before the new cell has completed a single cycle. This is not a fault with the replacement cell. Run two full discharge-to-hibernate then uninterrupted charge cycles. After the second cycle, the BIOS learn routine overwrites the stale EEPROM values and the health indicator clears.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eLaptop shutting down at 20–30% charge shown on the fuel gauge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens because the fuel gauge IC calibrates its percentage readout against the old cell's discharge curve. After a cell swap, the IC does not know where the new cell's actual voltage cliff sits, so it allows the system to run into a low-voltage shutdown while still displaying 20–30% remaining. The fix is calibration: discharge the laptop fully to hibernate cutoff, then charge to 100% without interruption — repeat this twice. After two complete cycles the fuel gauge IC maps the new cell's curve and the shutdown point aligns with the displayed percentage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43410831704154,"sku":"BWCS-MT8399NB-1","price":71.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 2 Year","offer_id":43410831736922,"sku":"BWCS-MT8399NB-2","price":83.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 3 Year","offer_id":43410831769690,"sku":"BWCS-MT8399NB-3","price":93.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MT8399NB-big.webp?v=1779581286","url":"https:\/\/batteryweb.com\/products\/mitac-minote-8599-replacement-battery-148v-4400mah-ni-cd","provider":"BatteryWeb","version":"1.0","type":"link"}