The Briggs & Stratton 82V 2.0 lithium-ion battery keeps the Snapper XD 82V Max cordless cultivator tilling your soil for up to 30 Min. Maintain your garden or landscape with the 5″ tilling depth & removable wheels allowing for a tilling width of 5.25″ to 10″. the long lasting Brushless motor drives 8″ tines that mix & pulverize even the toughest of soil. Push button start, quiet operation, & stress free maintenance enable you to get more work done. MAXIMUM Initial battery voltage (measured without a workload) is 82V. Nominal voltage is 72.