Powered by a 36V rechargeable sealed lead acid battery with a 60% charge of 4 hours and a 100% charge time of 12 hours. Durable no rust deck is easy-to-clean and guaranteed for life. Push handle folds down for compact storage. Lift thru bag design for ease in emptying and attaching. 1 touch height adjustment adjusts all 4 wheels with a touch of a button from 1-1/2" to 3-1/2". Instant start by inserting the safety key and pulling back on the bail. Includes 36V battery and charger, rear bag assembly, safety key, and mulch plug. Ideal property size: Up to 1/3 acre homesite (grass conditions will effect run time). Unit weight: 90 lb. Refer to Model No. MB-850 for replacement blade. Warranty: 2 year limited warranty on mower and lifetime warranty on deck.