New Lithium electric 80 volt 271AH. Hang on sideshift. great for 2 shift operation-opportunity charge Advantages of Lithium: – long run times – short recharge times – on breaks or between shifts etc. – ideal for 2 shift operation and no down time – no battery water level to maintain – no propane tanks to purchase, change and no fumes. – 4000 charge cycles vs 1250 (lead acid battery and only if water levels maintained) – cost comparison spread sheet available.