Description: This type of battery power capacity indicator with LCD read your battery bank like a fuel gauge, battery status at a glance. Can pass through max. 48V voltage and low power consumption. Furthermore, PVC film surface waterproof and there is backconnection protection, only two lines, simple and convenient wiring. So you don't have to worry about the complexity of the installation. Features: 1. Remaining power of the real capacity , high-precision capacity indicator. 2. This item is suitable for batteries or equipment with batteries which working voltage is from 12V to 48V. 3. Low power consumption, good stability and easy installation with card and no mounting screws. 4. PVC film surface waterproofing, so you don't have to worry about the daily drench. 5. Small volume, light weight, good material and long service life. 6. Display parameter can be chosen via keys. Specifications: Condition: 100% Brand New Material: PCB / HTN Weight: Approx. 19.5 g Size: Approx. 60 * 31.6 * 11.9 mm / 2.3 * 1.2 * 0.4 in Standard Voltage: 12-48V Range of Application: Batteries or equipment with batteries Operating Temperature: -10°- 50° Charging Time: Match the battery Setup Steps: 1. Press and hold the control key to enter the setting interface. 2. Short press the Settings button to select the battery specification. 3. Short press the function key to select the number of battery strings. 4. Long press function key to set s mode, set key to select corresponding mode, function key to open or cancel. Package Included: 1 x Battery Capacity Indicator 1 x Connecting Line Notes: 1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1、Remaining power of the real capacity , high-precision capacity indicator. 2、This item is suitable for batteries or equipment with batteries which working voltage is from 12V to 48V. 3、Low power consumption, good stability and easy installation with card and no mounting screws. 4、PVC film surface waterproofing, so you don't have to worry about the daily drench. 5、Small volume, light weight, good material and long service life.