1. 12V battery, battery, water battery and lithium battery can be used for liquid crystal display2. Display percentage, visually display battery power, directly connect battery positive and negative to display battery power3. Compatible with the following batteries:- Lead acid: 12V, 24V, 36V, 48V- Lithium battery: 2 strings lithium battery, 3 strings lithium battery, 4 strings lithium battery, 5 strings lithium battery, 6 strings lithium battery, 7 strings lithium battery, 8 strings lithium battery, 9 strings lithium battery, 10 strings lithium battery, 12 strings lithium battery, 13 strings lithium battery, 14 strings Lithium battery, 15 lithium battery4. The battery has its own button, which allows you to modify the battery specifications yourself5. Dual display of power percentage / voltage, you can also use the button to switch off the power, double button design, quick and easy to set up6. Working voltage: 6-63V7. Working current: less than 5MA8. Sleep power consumption: 12uA (12V test)9. Net weight: 18.7g10. Waterproof level: surface waterproof11. Color: green light12. Dimensions: 61.3X33.3X13.5mm13. Hole size: 58.5X28.5mm14. Installation method: Open an installation hole and press the power to enter. The battery comes with a buckle, no installation screwsSpecification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 15cm * 12cm * 5cm / 5.91inch * 4.72inch * 1.97inch Qty per Carton 500 Carton Weight 19.50kgs / 42.99lb Carton Size 50cm * 50cm * 39cm / 19.69inch * 19.69inch * 15.35inch Loading Container 20GP: 273 cartons * 500 pcs = 136500 pcs40HQ: 634 cartons * 500 pcs = 317000 pcs