["Features:\nLead-acid and Lithium battery can be used to visually display battery state power;\nWith switch, easy to install and use, no need for external control switch;\nThe front is a PVC film, the surface can be waterproof;\nLiquid crystal display, power saving, saving more than 50% power over conventional power\n\nThe following battery is universal\nLithium battery: 3 string 4 string 5 string........24 string 25 string 26 string\nLead acid: 12V 24V 36V 48V 60V 72V 84V\n\nSpecifications:\nVoltage range: 9-100V\nOperating current: <5mA\nDisplay mode: LCD percentage% / voltage\nColor: Green\nWaterproof grade: surface waterproof\n\nAbout installation\nInstallation method: for shell with snap lock (without screws)\nProduct Size: 61.3*33.3*13.5mm\nEmbedded size: 58.5*28.5mm\n\nPackage include:\n1 * 12V-84V Lead-acid Battery Capacity Voltage Indicator\n1 * Cable\n\n\n\nInstructions\nHow to set (If you don'for t understand, welcome to contact us for help)\nS1：%/V Rotate display in 2s \n Power percentage and voltage are displayed in turn recurrently and automatically；\nS2：Inactivity sleep in 10s \n Automatically sleep after battery capacity display for 10 s, save power, press the function for key to wake up power display for 10 seconds;\nS3：Turn on backlight\n Power display turns on or off power backlight;\nS4：Show logo(Applicable to small battery icon)\n Logo icon is located in the underface of battery symbol on the left side of LCD, turn on and show the logo;\nS5：Discharge mode selection\n Power displays two kinds of battery discharge curve, different environments convert to select appropriate battery discharge modes;\n\nSetting procedure\n1. Disconnect the module power supply, press and hold the setting button until powering the power module. Display shows the current power setting parameters;\n2. Press the setting button to select P / L / F ，(P = 12V lead acid, L = 3.7V lithium battery, F = 3.2V lithium iron phosphate battery);\n3 press the function for key to set the number of the battery string, according to the function keys and set the for key up or down to choose the number of batteries in series;\n4. Press the function for key for a long for time to enter the advanced setting interface, use setting for key to select S1-S5, enter for key to select or cancel the current mode;\n5. Reenergize the power after setting. The power automatically saves setting data.\n E.g. 10 lithium battery power, turn on power percentage and voltage automatic rotation display (S1 mode)\n Operation: Disconnect display module power, press and hold the setting button, power the power module, press the setting button for a short for time to select L, press the function for key to select 10, press the function for key for a long for time to select S1 and re-power."]