Solar energy pump First, operating parameter 1, lifts: 20- ... 5, the highly effective solar cell module: 300Wp, life 20 year. 6, the solar energy special-purpose exempt ... maintain the accumulator cell: 300AH, life ≥4 year .7, water pump. 8, ... the control cubicle (controller, sine wave invertor) .9, solar board support .10, other appendix ...