{"product_id":"clevo-gk5nr0o-replacement-battery-152v-4000mah-li-polymer","title":"Clevo GK5NR0O Compatible Battery 15.2V 4000mAh Li-Polymer","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eClevo GK5NR0O — 15.2V Li-Polymer Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 15.2V, 4000mAh (60.8Wh) lithium-polymer battery for the Clevo GK5NR0O notebook. It replaces the original cell when the laptop loses mobility, shuts down unexpectedly, or the BIOS flags the battery as degraded. Voltage, connector, and BMS communication match the GK5NR0O platform directly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGK5NR0O platform fit:\u003c\/strong\u003e\n    The GK5NR0O uses a 4-cell Li-Polymer pack at 15.2V with a specific BMS handshake tied to that voltage rail. This replacement carries the matching cell configuration and connector pinout, so the EC recognises it on first boot without firmware conflict.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through charge, discharge, and idle cycles on the GK5NR0O platform. The BMS communicated state-of-charge correctly, charge termination triggered at the expected cutoff voltage, and no protection trip fired during a full CPU-plus-display load cycle.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle calibration on the GK5NR0O:\u003c\/strong\u003e\n    After installing, run one full discharge until the laptop hibernates, then charge uninterrupted to 100%. This forces the BIOS battery learn cycle to reset against the new cell 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\"\u003eWhy the GK5NR0O BIOS reports poor battery health after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe GK5NR0O stores battery health data in EEPROM on the old cell. When a new cell goes in, the BIOS reads stale EEPROM values that do not match the fresh chemistry, and flags the battery as degraded. This is a data mismatch, not a fault with the replacement cell. Running the BIOS battery learn cycle — one full discharge to hibernate cutoff, then a full uninterrupted charge — rewrites those values against the new cell. After one or two complete cycles, the health indicator updates and the warning clears.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eGK5NR0O 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 has not yet calibrated against the new cell's actual voltage curve. Under combined CPU and display load, the cell voltage drops faster than the uncalibrated gauge predicts, hitting the low-voltage cutoff while the OS still shows 20–30% remaining. It is not a faulty cell — it is a calibration gap. Run two full discharge-to-hibernate and charge-to-100% cycles without interruption. After those cycles the fuel gauge maps the correct voltage floor, and the laptop will run down to the expected low percentage before shutting off.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43409535139930,"sku":"BWCS-MDX200NB-1","price":58.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43409535172698,"sku":"BWCS-MDX200NB-2","price":68.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43409535205466,"sku":"BWCS-MDX200NB-3","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MDX200NB-1.webp?v=1779579987","url":"https:\/\/batteryweb.com\/products\/clevo-gk5nr0o-replacement-battery-152v-4000mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}