Wide voltage range: DC6 -63V, 12V, 34V, 36V, 48V adjustable according to battery voltage. 2 in 1 Battery Gauge: DC Battery Gauge can not only measure battery voltage, but also its capacity Clear and bright LCD display Digital battery capacity tester Built-in 30cm power cable, simple connection. Reverse protection design, will not burn if connect reversely. Suitable battery types: the battery detector is suitable for lithium batteries and lead acid batteries, such as Ternary lithium batteries, lithium batteries, polymer, lithium-ion batteries, storage batteries. Note: It cannot be used for Lithium Iron Phosphate batteries, 1-2 Li batteries in series and batteries over 15 Li in series. Features: Black color Color of backlight: green Screen size: 43 x 11.3mm / 1.69" x 0.44" Voltage Range: 6-63V Circuit load current: 5 - 6mA Suitable for: 3-15pcs 3.7V Lithium Batteries; 12V, 24V, 36V, 48V lead-acid batteries; Fe batteries Dimensions: 61.3 x 33.3 x 13.5mm / 2.41" x 1.31" x 0.53" Mounting hole size: 58 x 28.1mm / 2.28" x 1.11" Wire Length: 30cm Fitting instruction: 1. Long press the SET key, power on the product, enter the setup interface 2. Press the Set key to select the battery specifications (lead-acid battery (P), lithium battery (L), Fe battery (F)). 3. Short press the function button to select the number of battery channels (increasing for the setting button, decreasing for the function button) 4. Long press the function key to set the mode. Note: Due to the light and screen setting difference, the product color may be slightly different from the picture. As manual measurement is different, please allow slight size difference. Shipping Quantity: 1pcs