{"product_id":"medion-md64300-replacement-battery-146v-2750mah-li-ion","title":"Medion MD64300 Replacement Battery 14.6V 2750mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMedion MD64300 — 14.6V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 14.6V, 2750mAh (40.15Wh) Li-ion battery fits the Medion MD64300 notebook. It replaces the original cell when the laptop no longer holds a charge or fails to power on from battery. Capacity figures come from the product data — not estimated from web sources.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMD64300 platform fit:\u003c\/strong\u003e\n    The MD64300 uses a 14.6V four-cell Li-ion configuration. This replacement matches that voltage rail and connector pinout, so the BMS handshake completes without triggering an unknown-device error at the firmware level.\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. The BMS reported correct voltage at each stage, and charge termination triggered at the expected 16.8V ceiling without cutoff errors.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle calibration on the MD64300:\u003c\/strong\u003e\n    After installing, run one full discharge to hibernate-cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap on this platform.\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  \u003cp class=\"bpw-desc-p\"\u003eThe MD64300 BIOS reads health data from EEPROM registers that carry over from the old cell. A fresh cell has no charge history written to those registers, so the firmware flags it as degraded before a single cycle completes. This is a firmware read error, not a fault with the new battery. Run the full discharge-to-hibernate then uninterrupted charge sequence once, and the BIOS rewrites those registers against the new cell's actual data.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eLaptop shuts down at 20–30% shown on the fuel gauge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the fuel gauge IC is still calibrated to the old cell's discharge curve. The new cell hits a voltage cliff under combined CPU and display load at a point the IC still maps to 20–30% capacity. The laptop interprets that voltage drop as a critical low and cuts power. Run two full calibration cycles — discharge to hibernate-cutoff, charge to 100% each time — and the fuel gauge IC will remap its curve to the new cell's actual voltage profile.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43409577541722,"sku":"BWCS-CLH700NB-1","price":51.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43409577574490,"sku":"BWCS-CLH700NB-2","price":60.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43409577607258,"sku":"BWCS-CLH700NB-3","price":66.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-CLH700NB-1.webp?v=1779580060","url":"https:\/\/batteryweb.com\/products\/medion-md64300-replacement-battery-146v-2750mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}