{"product_id":"rockwell-rd2865-replacement-battery-20v-2000mah-li-ion","title":"Rockwell RD2865 20V Replacement Battery 2000mAh Li-ion","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eRockwell RD2865 \/ RD2871 \/ RD2872 \/ RD2873 Series — 20V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 20V Li-ion replacement battery rated at 2000mAh (40Wh) for Rockwell cordless drill\/drivers including the RD2865, RD2871, RD2872, and RD2873 among others. It slots into the same battery bay and connects to the same contact rail as the original pack. Voltage and connector format match the OEM specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRD2865 series compatibility:\u003c\/strong\u003e\n    These models share a common 20V battery platform — same rail contact spacing, same BMS handshake protocol, and the same overcurrent threshold for the motor-start inrush spike. Any pack that passes the handshake on one model will operate across the group.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through repeated trigger-pull cycles on a RD2865 to confirm the BMS handles inrush current without tripping. Cell voltage under load held within the expected sag range for a 2000mAh Li-ion pack at this draw rate.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBreak-in procedure for drill\/driver use:\u003c\/strong\u003e\n    On first use, run the tool at half load for two cycles before applying full torque. This lets the BMS profile the motor's inrush current draw and set accurate overcurrent thresholds before you push the tool hard.\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 in the RD2865 drill\/driver\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eWhen you pull the trigger on a cordless drill, the motor draws a spike of current well above its running draw — this is inrush current. A new pack's BMS may have default overcurrent thresholds that don't yet match the motor's real-world inrush profile. If the spike exceeds the threshold, the BMS cuts power within milliseconds. Running two light-load cycles first trains the BMS to the actual inrush signature and prevents nuisance trips during full-torque work.\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 cells in storage self-discharge over time. If a pack sits long enough, cell voltage drops below the charger's acceptance threshold — typically around 2.5V per cell — and the charger refuses to begin a charge cycle, showing a blinking red fault. To recover the pack, place it in the charger and hold it there; some chargers include a trickle pre-charge mode that will slowly raise cell voltage back above the acceptance floor. If the charger accepts the pack after 10–15 minutes, let it complete a full charge cycle before using the tool. Check that all cells register above 2.5V before declaring the pack unrecoverable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381301411930,"sku":"BWCS-WRX352PW-1","price":74.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381301444698,"sku":"BWCS-WRX352PW-2","price":87.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381301477466,"sku":"BWCS-WRX352PW-3","price":96.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-WRX352PW-1.webp?v=1779759628","url":"https:\/\/batteryweb.com\/products\/rockwell-rd2865-replacement-battery-20v-2000mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}