Shark LV800 Cordless Vacuum Replacement Battery 10.8V XB800 ACF18 Phone shows erratic or frozen

Phone shows erratic or frozen battery percentage after replacement

The BMS in each device reads the same cell voltage thresholds

The phone's charge controller interprets that voltage drop as a hard cutoff

You get weaker suction well before any low-battery alert triggers

These brand new replacement batteries are precisely matched for IMC Heartway Rumba SR P4R U1 mobility units and are supplied as high-quality

Shark LV800 Cordless Vacuum Replacement Battery 10.8V XB800 ACF18 Phone shows erratic or frozenShark LV800 Series 10. 8V Li ion Replacement Battery (XB800) This 10. 8V, 2000mAh Li ion battery replaces the XB800 in the Shark LV800, LV801, and LV801C cordless handheld vacuums. It slots into the same battery bay and uses the same connector and BMS communication as the original. Capacity figures come from the product data 2000mAh 21. 6Wh. LV800, LV801, LV801C compatibility: These three models share the same 10. 8V battery platform, connector