12V 3.5Ah 42.2Wh CA210A motorcycle Powersports 12v lithium drill battery for electric start generator
Features:
Obviously lightweight,cut down70%-80% weight compared with lead-acid battery, aquired the same starting ability (CA/CCA value); 
Strong  start power of 70C high discharge LiFeOP4 battery;  
Good performance in -20℃ low temperature 
5 years long service time; 
LiFePO4 has very good  structural  stability, thermal  stabilbity,  safe, lead  free  and  not harmful to environment; 
Withstand deep discharge, 100% deepth of discharge (DOD);
Lead free, no toxic material;
Maintainance free; 
 GREAT POWER in SMALL PACKAGE 
Ampxell LiFePO4 series start battery features extremely light weight, cut down 70-80% weight and volume compare with lead-acid battery, get the same performance of Cold Cranking Amps (CCA) value.
below compare table can see Ampxell LiFePO4 startBattery can sharply reduce start battery weight: