{"product_id":"clevo-p650rg-g-replacement-battery-148v-4000mah-li-ion","title":"Clevo P650RG-G Replacement Battery 14.8V 4000mAh P6MBAT-4","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eClevo P650RG-G Series — 14.8V Li-ion Replacement Battery (P6MBAT-4)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 14.8V, 4000mAh (59.2Wh) Li-ion battery for the Clevo P650RG-G and related high-performance gaming notebooks. It replaces OEM part numbers P6MBAT-4, 6-87-P650S-4252, and P650BAT-4. Confirmed fit across the P650, P651, and P655 chassis lines.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eP650\/P651\/P655 chassis compatibility:\u003c\/strong\u003e\n    These models share the same 14.8V four-cell battery architecture, connector pinout, and BMS handshake protocol. The P6MBAT-4 part number covers all variants in this generation, including the P651HS-G, P650HP6-G, and P655SE.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell on a P650 chassis under combined CPU and GPU load. The BMS held the charge curve correctly across the full 14.8V range, and low-voltage cutoff triggered at the expected threshold without premature shutdown.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-swap recalibration on the P650 platform:\u003c\/strong\u003e\n    After fitting a new cell, run one full discharge to hibernate-level cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears in the system tray immediately 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\"\u003eLaptop shuts down at 20–30% remaining on the P650 under GPU load\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe P650RG-G pairs a high-TDP CPU with a discrete GPU that draws heavily during gaming. When the combined load spikes, the battery must sustain voltage above the BMS cutoff threshold. A degraded or freshly installed uncalibrated cell can hit a voltage cliff — dropping below 12V under load — even while the OS fuel gauge still reads 25%. The BIOS interprets this as a fault and forces an immediate shutdown. Run a full calibration cycle first: discharge to hibernate cutoff under light load, then charge to 100% without interruption. After two full cycles, the fuel gauge IC re-maps the cell's actual discharge curve and the premature shutdowns stop.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBIOS shows 0% or \"unknown battery\" immediately after fitting the new cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe P650 BIOS reads EEPROM data embedded in the battery pack to verify cell identity and charge state. When a new cell arrives with a zeroed or mismatched EEPROM register, the BIOS cannot reconcile the data and flags the battery as unknown or reports 0% regardless of actual charge. This is not a fault with the cell itself. Plug into AC power, allow the system to boot fully, and let the charge controller begin a supervised charge cycle. Once the BIOS completes its first full charge read, the register updates and the health status resolves to a normal percentage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43409677090906,"sku":"BWCS-CLP650NB-1","price":90.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43409677123674,"sku":"BWCS-CLP650NB-2","price":106.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43409677156442,"sku":"BWCS-CLP650NB-3","price":117.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-CLP650NB-1.webp?v=1779580400","url":"https:\/\/batteryweb.com\/products\/clevo-p650rg-g-replacement-battery-148v-4000mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}