Features 1、Dual independent fast recharging USB interfaces, using IP6505T fast recharging recognition chip, high precise and high accurate to use. 2、LCD screen display, you can see the voltage, power, and power percentage clearly at a glance. 3、7-segment power display (13%, 26%, 39%, 52%, 65%, 78%, 91%), simple and intuitive, the user can quickly understand the power status of the device, which is convenient for users to recharge or replace the battery in time. 4、Supports a variety of batteries, the battery type and number of strings can be set by yourself (default 12.0V leadacid battery). 5、Support mainstream fast recharging protocols. 6、Built-in reverse connection anti-burn module, to achieve input reverse connection protecting function, safer to use. Specification This car battery ststus indicator adopts two independent fast recharging USB interfaces, using IP6505T fast recharging recognition chip, high precise and high accurate to use. LCD screen display, you can see the voltage, power, and power percentage clearly at a glance. 7-segment power display (13%, 26%, 39%, 52%, 65%, 78%, 91%), simple and intuitive, the user can quickly understand the power status of the device, which is convenient for users to recharge or replace the battery in time. Support mainstream fast recharging protocols. Features: Dual independent fast recharging USB interfaces, using IP6505T fast recharging recognition chip, high precise and high accurate to use. LCD screen display, you can see the voltage, power, and power percentage clearly at a glance. 7-segment power display (13%, 26%, 39%, 52%, 65%, 78%, 91%), simple and intuitive, the user can quickly understand the power status of the device, which is convenient for users to recharge or replace the battery in time. Supports a variety of batteries, the battery type and number of strings can be set by yourself (default 12.0V leadacid battery). Support mainstream fast recharging protocols. Built-in reverse connection anti-burn module, to achieve input reverse connection protecting function, safer to use. Specifications: Name: Car Battery Voltage Tester Material: plastics Input voltage: 6-30VDC Battery indicator: 7-segment display of 13%26%39%52%65%78%91% Output voltage: default 5V, automatically adjusted between 3-12.0V after fast recharging is triggered. Output power: Max 24W (5V@4A, 9V@2.5A, 12V@2A, etc.) USB efficiency: 90%-97% Operating temperature: -10℃ to 60℃ Operating Humidity: 10-80% (no condensation) Installation size: 75 * 39mm / 2.95 * 1.54in Item size: 78 * 43 * 26mm / 3.07 * 1.69 * 1.02in Package size: 110 * 65 * 50mm / 4.33 * 2.56 * 1.97in Package weight: 65g / 2.29ounce Packing List: 1 * Car Battery Voltage Tester Package List 1 * Car Battery Voltage Tester