Features: 100% brand new and high quality Battery charging controller board for DC6-60V solar batteries, new energy batteries, lead-acid batteries, nickel-chromium batteries, nickel-hydrogen batteries, lithium-ion batteries, and polymer batteries. Also suitable for car batteries and electric vehicle batteries. Voltage tolerance: +/-0.1V; Control precision: 0.1V. Red LED display the parameter, easy to operation. Max. 30A to control the power on/off automatically. When battery reach the values, module disconnect the power supply to avoid battery overcharging. Input Voltage Range: DC6-60V. Board size measures 84 x 60 mm/3.31 x 2.36 inch (L x W). Package Includes: 1 Piece Charge Control Module DC 6-60V Specifications: Material: FR4 Copper Clad Laminate Color: As Pictures Show Size: Approx.84x60mm/3.31x2.36in Weight: Approx.60g Control Voltage: DC 6-60V Control Current: max 30A Control Precision: 0.1V Output Type: Direct Output Voltage Tolerance:+/-0.1V Application Fields: DC6-60V batteries and lithium batteries note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you