4Pcs DC12V 24V 36V 48V 72V Battery MeterBattery Capacity Voltage Indicator Lead-Acid and Lithium Ion

LCD Digital display: the battery capacity gauge indicators come with PVC waterproof screen protector with bright green back-light, which makes you can read the results on the clear LCG display from different angles, low working power consumption and the max is 5 mAThe battery capacity voltage indicators are designed with switched function button, you can press to check the cattery capacity or real-time voltage and turn off, with alarm design, the battery meter display will flash when the battery capacity is lower than 20 percentCompatible with 12V 24V 36V 48V 72V lead acid battery, ternary lithium battery, polymer lithium-ion battery, 3 - lithium ion battery, storage battery, water battery and more; Note: they can not be applied for lithium iron phosphate batteries, 1 - 2 Li batteries in series and over 15 Li batteries in seriesWide applications: the battery meters with alarms can be applied to different machines and places such as garden, home, office and more, durable and can you for a long time, meeting your different needs and practical battery indicators will give you nice experienceBattery Capacity Voltage Monitor Gauge Indicator, , Lead-Acid & Lithium ion Battery Tester for Golf Cart RV Marine Boat Club Car MotorcycleColour:blackMaterial:ABSSize:61.3 x 33.3 x 13.5mmPackage Contents:4 * battery testerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.