General description 10 pieces of DC battery meters designed to indicate the capacity and voltage of lead-acid and lithium-ion batteries. These meters are suitable for various voltage levels including 12V, 24V, 36V, 48V, and 72V. Technical specifications Working temperature: 0℃-40℃ Display: capacity/voltage Back-light: Green Product dimensions: 2.41 x 1.31 x 0.53 inches (61.3 x 33.3 x 13.5 mm) Mounting hole dimensions: 2.3 x 1.12 inches (58.5 x 28.5 mm) Color: Black Material: ABS Other information Package Contents: 10 x Battery meter Note: Not suitable for lithium iron phosphate batteries, 1-2 Li batteries in series, and over 15 Li batteries in series. Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.