We offer 16l battery sprayer and Battery Sprayer Pump. 1) tank capacity: 16l with diaphragm pump 2) pressure source: battery 16l rechargeable battery sprayer- pump type: 12v motor powered diaphragm pump- pump working speed: 2000 - 3500rpm- rechargeable battery: 12v 8ah- working pressure: 2.0-4.5kgs/cm2- motor working currency: 2.0-2.8a- charger: input ac100-240v 50-60hz; output dc12v 1.5a- spray flow: 1300ml/min(one hole nozzle);- working hour: 5 - 8hrs after fully charged- time for full charge: 5 -8hrs