{"product_id":"cub-cadet-xr1-500-replacement-battery-108v-10400mah-li-ion","title":"Cub Cadet XR1 500 Replacement Battery 10.8V BAT9101A","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eCub Cadet XR1 500 — 10.8V Li-ion Replacement Battery (BAT9101A)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 10.8V, 10400mAh Li-ion replacement battery for the Cub Cadet XR1 500 cordless walk-behind mower. It slots into the same bay as the original BAT9101A and MRK9200A packs. If your original battery no longer holds charge or the mower shuts down mid-cut, this is the direct swap.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eXR1 500 platform fit:\u003c\/strong\u003e\n    The XR1 500 uses a 10.8V nominal rail with a BMS handshake that reads pack state before allowing blade motor startup. Both OEM part numbers — BAT9101A and MRK9200A — share this connector and handshake protocol, so this replacement communicates correctly with the mower's control board.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through simulated blade-start inrush cycles and sustained mid-load draws. The BMS held protection thresholds consistent with OEM spec — no nuisance trips under normal cutting conditions on a full, room-temperature charge.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eCold-weather pre-use tip:\u003c\/strong\u003e\n    Before your first mow of the season, bring the battery indoors overnight if temperatures are below 10°C. Cold Li-ion cells carry higher internal resistance, and the blade motor's inrush current on startup can trip the BMS in a cold pack before the cells have warmed up.\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 thick-grass and wet-grass blade load\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe XR1 500 blade motor draws significantly more current through dense or wet grass than on a dry, short lawn. When that draw spikes above the BMS protection threshold — typically from a sudden slug of thick grass — the pack cuts power to protect the cells. This is not a battery fault; it is the BMS doing its job. Let the mower sit for 30 seconds to allow the BMS to reset, then resume at a slower walking pace through the heavy section. If cutoffs repeat, check that blade height is set one notch higher than the grass requires.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger showing a fault light after the mower sat all winter\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion cells self-discharge slowly over months. A pack stored in an unheated garage from October through spring can drop below the charger's minimum acceptance voltage — typically around 9V for a 10.8V pack. When the charger sees a pack below that threshold, it flags a fault and refuses to charge. Some OEM chargers include a recovery or \"wake\" mode; if yours does, hold the recovery button for five seconds with the battery connected. If no wake mode exists and cell voltage reads above 8.5V on a multimeter across the terminals, a compatible third-party charger with a Li-ion recovery function can bring the pack back up to acceptance voltage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381301936218,"sku":"BWCS-PRX500PW-1","price":131.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381301968986,"sku":"BWCS-PRX500PW-2","price":155.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381302001754,"sku":"BWCS-PRX500PW-3","price":173.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PRX500PW-1.webp?v=1778899965","url":"https:\/\/batteryweb.com\/products\/cub-cadet-xr1-500-replacement-battery-108v-10400mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}