Cummins — HG190, HG220 Engine Manual

www.changlin.com.cn ELECTRICAL SYSTEM The number of plates within a given battery size determines reserve capacity. Reserve capacity determines the length of time sustained cranking can occur. **Per Battery (Two 12 volt batteries in series) CCA ratings are based on-18°C [0°F].

Batteries (Specific Gravity) 138 / 149 pages Minimum Recommended Battery Capacity Battery Size Ambient Temperatures -18°C (0°F) 0°C (32°F) Cold Reserve Cold Reserve Cranking Capacity Cranking Capacity Amperes Amperes Amperes Amperes 12 Volt 1800 640 1280 480 24 Volt** 900 320 640 240 Specific Gravity S tate of Charge at27°C (80 Tl 1.260-1.280 100 % 1.230-1.250 75 % 1.200-1.220 50 % 1.170-1.190 25 % 1.110-1.130 Discharged