{"product_id":"craftsman-replacement-battery-20v-6000mah-li-ion","title":"Craftsman CMCB204 20V Replacement Battery 6000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eCraftsman V20 Series — 20V Li-ion Replacement Battery (CMCB204)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 20V Li-ion battery rated at 6000mAh (120Wh), built to fit the Craftsman V20 cordless tool platform. It slots into drills, impact drivers, circular saws, and other V20-system tools that accept the CMCB204, CMCB204-2, or CMCB205 packs. Voltage and form factor match the original Craftsman spec.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eV20 platform compatibility:\u003c\/strong\u003e\n    The CMCB204, CMCB204-2, and CMCB205 all share the same 20V rail, connector pinout, and BMS handshake protocol. Any V20 charger or tool that accepted the original pack will accept this one without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack on a V20 circular saw and hammer drill. The BMS handled repeated motor-start inrush without tripping, and cell voltage held stable across sustained cutting loads. No false low-voltage shutoffs were recorded.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBreak-in load sequencing:\u003c\/strong\u003e\n    On first use, run your tool at half load for two cycles before full-torque applications. This lets the BMS profile your motor's inrush current draw and set accurate overcurrent thresholds before you push maximum demand.\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 trigger pull during drill or saw motor-start surge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eWhen you pull the trigger on a high-draw tool like a circular saw, the motor draws a short inrush spike that can be three to five times the running current. A new or recently stored pack may have BMS overcurrent thresholds set conservatively until it has seen a few real load cycles. If the tool cuts out immediately on trigger pull but recovers after a second attempt, the BMS is tripping on that spike. Run two partial-load cycles first to let the BMS recalibrate its overcurrent window before heavy cutting or driving.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger blinking red on a new 20V pack after storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion chargers have a minimum acceptance voltage — typically around 12–14V on a 20V pack. If cells self-discharge below that threshold during storage, the charger sees the voltage as out of range and refuses to start a full charge cycle, signalling a red blink. Place the battery on the charger and leave it for 10–15 minutes without removing it — many Craftsman chargers run a trickle recovery pulse that brings the cell voltage above the acceptance floor. Once the pack crosses that threshold, the charger shifts to normal CC\/CV charging and the indicator changes. If the red blink persists past 20 minutes, check the terminal contacts for corrosion and clean with a dry cloth before trying again.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43416028119130,"sku":"BWCS-CFV200PH-1","price":107.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43416028151898,"sku":"BWCS-CFV200PH-2","price":126.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43416028184666,"sku":"BWCS-CFV200PH-3","price":140.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-CFV200PH-1.webp?v=1779759460","url":"https:\/\/batteryweb.com\/products\/craftsman-replacement-battery-20v-6000mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}