The motor is powered by a 12V rechargeable battery (battery not provided with model E140) using a run life of approximately 40 hours. This will allow end users to irrigate utilizing a reduced good quality water sources and not using a booster pump. Apart from Grapes, Haji sb has http://raingunirrigation41740.blogolize.com/The-Ultimate-Guide-To-rain-gun-for-agriculture-price-29893399