Battery Capacity Indicator Digital Voltmeter Voltage Tester

Specifications:
Display: Power, Voltage, Close, the key for cycle.
Voltage Range: 8-70V, products will display based on the voltage value , voltage fluctuations, power meter will be follow as the voltage fluctuation! (Comes with reverse polarity protection, can be guarantee use effectively )
The product is suitable for lead-acid 12V, 24V, 36V, 48V (can be changes via key, specific please see setup instructions as below)
The product is suitable for 3.7V lithium series multi-platform, 3 string, 4 string, 5 string, 6 string, 7 string and 8 string 9 string 10 string 11 string 12 string 13 string 14 string 15 string (can be changes via key, detail information please see as below)
Cable Length: 30cm 
 
Instructions:
Keep pressing the button on the front of the panel before you connect it to your battery, the display start with L means it is for testing lithium battery, start with P means it is for testing lead acid battery. For example, if your battery is 24V, then just keep press the button to P 24V. 46V is similar as 48V, just switch to P 48V.

Code: Suitable for
L3: 3 string lithium
L4: 4 string lithium
L5: 5 string lithium
L6: 6 string lithium
L7: 7 string lithium
L8: 8 string lithium
L9: 9 string lithium
L10: 10 string lithium
L11: 11 string lithium
L12: 12 string lithium
L13: 13 string lithium
L14: 14 string lithium
P12V: 12V lead-acid
P24V: 24V lead-acid
P36V: 36V lead-acid
P48V: 48V lead-acid

Special Function Setting (requires electric iron, you must power off setting, electric iron must be grounded)
A point connection, the backlight will be automatically shut down if delay10 seconds , the voltage fluctuation will automatic wake-up exceeds 0.3V / 0.5 seconds.
B point connection, lithium choose 3-4.1V curve (lithium professionals)