JS-CU3 Waterproof Lithium Lead-acid Battery Capacity Indicator Tester 12V 24V 3S 4S 5S Li-ion To 5V USB Phone Charge

Description This LCD battery monitor is a battery specific residual battery monitor With low power consumption can be a long time to show the battery power The two USB sockets can output 5V voltage and 2 5A current and it can be choosed to turn on and off simple wiring usingstandard connector convenient maintenance and disassembly Full enclosure with a certain waterproof ability Features Can be used for 12V 24VLithium or 12V lead acid battery4 string LiFeCoPO4 12V Bayonet installation without screws with a certain waterproof ability Clear display Shell protection This product can be ultra low power consumption with switch Type 1 12V 3 strings of lithium batteries 2 12V Battery 3 12V Lithium iron phosphate 4 24V 6 strings of lithium batteriesInstructions 1 Confirm the matching of battery specifications and instrument setting parameters If not matching only voltage data is correct 2 This product is equipped with special conductor red wire connected to battery positive electrode black wire connected to negativeelectrode 3 This product can display battery power only under electrified condition 4 When the instrument is electrified it can charge the mobile phone equipment 5 This product is equipped with the instrument work switch closing the meter at the same time the USB socket will not output electricity 6 The surface of the shell can be waterproof Solution to common problems 1 The Instrument do not work Check the wiring is correct check whethe