The Solo 441Li Sprayer is a lithium battery powered sprayer that holds up to 16L. This product is a professional quality build and for this reason it is recommended for those making regular applications on larger lawns and gardens. Includes the sprayer, charger and battery.The sprayer is easy to operate, it's as simple as charge, plug in and turn on. The trick is making sure you follow the instructions on the label regarding product and water usage and applying over the recommended area.It contains a rechargeable Li-ion 2.5 Ah battery. This allows for 4 hrs of spraying and 2 hrs recharge time. The pressure is 2.5 bar with a maximum flow of 1.6L/min. Feel free to hit us up with any questions.