ITEM NAME:2pcs AC20V Hydro Generator High Power Flow Hydraulic Water Charging Description: Micro hydro generator, the potential energy conversion of the water into electrical energy mechanical equipment. Can be directly to the small battery charge,Can charge mobile phone,Can fit for the led , inductive sanitary ware etc Specification: Output high voltage: 0-20V AC (1.2Mpa) The maximum output : ≠¥150mA Line resistance :10.5 + 0.5&; Insulation resistance: 10M&; (DC100) The outlet closed the maximum voltage: 0.6Mpa The water outlet open the maximum voltage : ≠¥1.2Mpa Start water pressure :0.05Mpa Flow rate range: Approx. 2.5-25L/min Size(L*W*H): Approx. 84*49*30mm / 3.3*1.93*1.26inch Specification: Features: Appearance: generator surface cleaning, no corrosion, the structure is strong. Axial gap: 0.2 - 1.0mm The mechanical noise: ≠¤55dB Generator single volume: 90g The life of generator: ≠¥ 3000h Output characteristics: the output voltage with no voltage regulator is proportional to the water pressure Color: Black Note: There are two kinds of lithium batteries on the market, with a charging control chip, and without charging control chip. Lithium battery charging needs charging control chip, otherwise it's easy to have a blast. Package Includes: 2 Pieces Micro Hydro Generators SKU: DMO0016416919176015.2 Pieces Micro Hydro Generators. Appearance: generator surface cleaning, no corrosion, the structure is strong. The life of generator: ≠¥ 3000h. Flow rate range: Approx. Start water pressure :0.05Mpa.