{"product_id":"medion-erazer-scout-e20-replacement-battery-154v-3400mah-li-polymer","title":"Medion Erazer Scout E20 V150BAT-4 Compatible Battery 15.4V","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMedion Erazer Scout E20 — 15.4V Li-Polymer Replacement Battery (V150BAT-4)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 15.4V 3400mAh (52.36Wh) Li-Polymer battery replaces the original V150BAT-4 cell in the Medion Erazer Scout E20 gaming laptop. It fits the Scout E20 directly, matching the OEM connector, BMS handshake protocol, and physical footprint. Capacity figures are taken from the product specification — not extrapolated from web sources.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eScout E20 fitment:\u003c\/strong\u003e\n    The Scout E20 uses a four-cell Li-Polymer pack running a 15.4V nominal rail. This replacement matches that rail voltage and the BMS handshake the EC firmware expects. A voltage mismatch here trips a hard cutoff — the pack must present the correct cell count and voltage signature to charge.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack under a simulated gaming load — sustained CPU and GPU draw together. The BMS held stable across charge and discharge transitions, and the protection circuit triggered correctly at low-cell threshold without false cutoffs during high-draw spikes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eScout E20 first-cycle reset:\u003c\/strong\u003e\n    After fitting, run one full discharge down to hibernate cutoff, then charge uninterrupted to 100%. This forces the BIOS battery learn cycle to reset against the new cell. Skipping this step leaves the firmware reading stale EEPROM data from the old pack, which shows as a false \"poor health\" warning in the OS.\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 fitting the Scout E20 replacement\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe Scout E20 EC stores battery health data in EEPROM tied to the original cell's cycle history. When a new pack is installed, the firmware reads that old data and flags the new battery as degraded — even though the cell is fresh. This is not a fault with the replacement. The BIOS needs a full learn cycle to overwrite the stale EEPROM values. Discharge fully to the point the laptop hibernates, then charge to 100% without interruption to clear the warning.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eScout E20 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 hasn't calibrated against the new cell yet. The percentage shown on screen is calculated from the old cell's discharge curve — so 25% displayed can actually be below the voltage floor the laptop needs to sustain CPU and display load simultaneously. The cell hits a voltage cliff before the OS sees zero. Run two to three full discharge-to-hibernate and charge-to-100% cycles to let the fuel gauge IC recalibrate. After calibration, the cutoff should align with the displayed percentage accurately.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43409557323866,"sku":"BWCS-MDE200NB-1","price":83.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43409557356634,"sku":"BWCS-MDE200NB-2","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43409557389402,"sku":"BWCS-MDE200NB-3","price":110.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MDE200NB-1.webp?v=1779580030","url":"https:\/\/batteryweb.com\/products\/medion-erazer-scout-e20-replacement-battery-154v-3400mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}