{"product_id":"metabo-ag-18-602242850-replacement-battery-18v-3000mah-li-ion","title":"Metabo 6.25457 18V Angle Grinder Replacement Battery 3000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMetabo AG 18 602242850 — 18V Li-ion Replacement Battery (6.25457)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 18V 3000mAh Li-ion battery replaces the original pack on the Metabo AG 18 angle grinder and a wide range of Metabo 18V cordless tools. It matches the voltage rail, connector, and BMS communication protocol of the OEM unit. Capacity is 3000mAh (54Wh), drawn directly from product specifications.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAG 18 and AHS 18 platform fit:\u003c\/strong\u003e\n    These tools share a common 18V slide-pack connector and BMS handshake protocol across the series. The same cell configuration and communication lines work across the AG 18, AHS 18, ASE 18, and AV 18 platforms without adapters or modifications.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through full charge-discharge cycles on an AG 18 602242850 and monitored BMS response during motor-start inrush. The overcurrent protection threshold matched OEM behaviour — no nuisance trips under normal grinding load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBreak-in on the angle grinder:\u003c\/strong\u003e\n    For the first two cycles, run the grinder at partial load — light grinding passes, not sustained disc pressure. This lets the BMS sample inrush current and set overcurrent thresholds before you push full load against hard material.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBMS cutoff on motor-start inrush during aggressive cutting\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eAngle grinders draw a sharp current spike the instant the disc bites into metal — far higher than steady-state grinding current. If the BMS registers that spike as a fault, it cuts power mid-cut. On a new pack, the BMS hasn't yet profiled the motor's inrush signature, so its overcurrent threshold may be conservative. Two or three light-load warm-up cycles allow the BMS to calibrate. After that, sustained full-load cuts should proceed without interruption.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger flashing red and refusing to accept the pack after storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion cells that sit unused for months self-discharge below the charger's acceptance voltage — typically under 2.5V per cell. The Metabo charger sees this and flags a fault rather than attempting a charge, which protects against cell damage. Remove the pack, wait 60 seconds, and re-seat it firmly — the charger sometimes re-reads cell voltage on reconnect and begins a recovery charge if voltage is above the hard cutoff. If the charger still rejects it, check each cell group with a multimeter; any group below 2.5V indicates the pack needs replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43416051777626,"sku":"BWCS-MTK570PW-1","price":62.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43416051810394,"sku":"BWCS-MTK570PW-2","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43416051843162,"sku":"BWCS-MTK570PW-3","price":80.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MTK570PW-1.webp?v=1779759859","url":"https:\/\/batteryweb.com\/products\/metabo-ag-18-602242850-replacement-battery-18v-3000mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}