Product features:
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<br />1.It is suitable for a variety of lithium batteries and lead-acid batteries.
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<br />2.It can display the remaining battery power percentage and voltage accurately.
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<br />3.This meter can be used just corresponding to the battery and it is does not matter of the capacity. 
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<br />4.The product is universal and adjustable in 10-100V.
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<br />Product parameters: 
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<br />1.Display: power, voltage, close, the key for cycle. 
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<br />2.Voltage range: 8-70V, products will display based on the voltage value , voltage fluctuations, and power meter will be follow as the voltage fluctuation! (Coming with reverse polarity protection, can be guaranteed to use effectively.) 
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<br />3.The product is suitable for lead-acid 12V, 24V, 36V, 48V (can be changed via key, and detail information please see setup instructions as below.) 
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<br />4.The product is suitable for 3.7V lithium series multi-platform, 3 string, 4 string, 5 string, 6 string, 7 string, 8 string, 9 string, 10 string, 11 string, 12 string, 13 string, 14 string, and 15 string(can be changed via key, detail information please see as below.) 
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<br />5.Cable length(approx.): 30cm/11.81in
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