{"product_id":"samsung-navibot-sr8845-replacement-battery-144v-3000mah-ni-mh","title":"Samsung Navibot SR8845 Replacement Battery 14.4V 3000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSamsung Navibot SR8845 \/ SR8855 Series — 14.4V Ni-MH Replacement Battery (VCA-RBT20)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 14.4V, 3000mAh Ni-MH replacement battery for the Samsung Navibot robotic vacuum range. It fits the SR8845, SR8855, VCR8855, and VCR8895 among many others in the Navibot line. The OEM part numbers covered include VCA-RBT20, DJ96-00113C, AP5576883, AP5579205, DJ63-01050A, DJ96-00116B, and DJ96-0083C.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNavibot SR and VCR platform fit:\u003c\/strong\u003e\n    These models share a common 14.4V power rail, identical battery bay dimensions, and the same connector pinout. The BMS handshake protocol across this range is consistent, so the same cell pack works across all covered variants without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this battery on the SR8845 and confirmed the BMS accepts charge from the standard Navibot dock without fault codes. The protection circuit handled low-voltage cutoff correctly and responded to the dock's charge termination signal at capacity.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eDock charging habit for Navibot units:\u003c\/strong\u003e\n    Do not leave the Navibot sitting on the dock continuously between cleans. Ni-MH cells in this pack degrade noticeably faster under constant trickle charge. Charge to full, then remove the unit from the dock until the next cleaning cycle.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSuction dropping before the battery indicator reaches low\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Navibot's motor draws more current when airflow is restricted — a partially blocked filter forces higher amperage to maintain suction. The BMS reads this as elevated draw and begins throttling motor voltage before the fuel gauge registers a low-battery state. The result looks like battery failure but is actually a load response. Clean or replace the filter, and the motor draw drops back to rated current — typically around 14.4V stable under normal carpet load.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cutting out mid-clean and recovering after a pause\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis is a BMS overcurrent trip, not a dead battery. When the Navibot encounters sustained high resistance — thick carpet, a blockage in the brush roll, or a clogged duct — current draw spikes above the protection circuit threshold. The BMS cuts power to prevent cell damage, which reads as a shutdown. After a short rest, the circuit resets and the unit powers back on. Clear any blockage at the brush roll and check the duct path before assuming the battery is at fault.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428069507162,"sku":"BWCS-SMR845VX-1","price":86.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428069539930,"sku":"BWCS-SMR845VX-2","price":101.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428069572698,"sku":"BWCS-SMR845VX-3","price":112.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-SMR845VX_1.webp?v=1779934037","url":"https:\/\/batteryweb.com\/products\/samsung-navibot-sr8845-replacement-battery-144v-3000mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}