Specifications:

16.8v2ah (2 lithium batteries) 6 inch guide plate

XH21V4AH(2 batteries) 7 inch guide plate

21V3AH(2 batteries) upgraded 7-inch guide plate

21V5.2AH(2 batteries) upgraded 7-inch guide plate

21V5.2AH(2 lithium batteries) 8-inch guide plate

21V8AH(2 lithium batteries) 8-inch guide plate

21V6AH(2 pieces of lithium battery) 8 inch guide plate

KH21V5.2AH(2 batteries) 8 inch guide plate

10.8V2.5AH(2 lithium batteries) 4 inch guide plate

16.8v2.5ah (2 lithium batteries) 5 inch guide plate

21V5AH(2 lithium batteries) 8 inch guide plate

25.2V4AH(2 batteries) Luxury 4 inch guide plate

25.2V5AH(2 lithium batteries) 10 inch guide plate

25.2V5AH(2 batteries) 12 inch guide plate

40V4AH(1 lithium battery) 14 inch guide plate

43.2v5ah (1 lithium battery) 16 inch guide plate