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Lithium Lipo 18650 Battery Charger 3V 3.7V 4.2 to 5V 9V 12V Step up Boost Module

Product Description

 
100% Brand New and High Quality
 
Input voltage: 2.5-5.5v
 
Output voltage: 13V or less, continuously adjustable
 
For example, input 3V output voltage can be arbitrarily adjusted in 3-13V
 
When the customer welding USB output, the maximum output voltage of 5.3V, can not tune too high, to avoid damage to the load.
 
When charging the lithium battery, the general output voltage is higher than the battery's identification voltage of 0.5V.
For example, to 3.7V lithium battery charging, the output voltage can be adjusted to 4.2V.
 
It can charge the battery below 13V, but the output voltage must be greater than the input voltage of 0.6V or more.
 
Load is too large or short circuit, likely to cause the input voltage is equal to the output voltage, the constant current failure, the module is easy to damage.
 
The input current module is automatically limited to within 1.7A (constant current) and the output voltage is inversely proportional to the output current.
 
Such as input 4V, output voltage 12V, connect a 10W 12V lamp beads, but when connected to the lamp beads, because the input is fixed current, that is, the maximum power 4X1.7 is equal to 6.8W, so 12V lamp beads will automatically Reduce the voltage and keep it at about 6.8W. (The load is required when the current is greater than the current provided by the module and will automatically reduce the output voltage. Keep the total power less input power)
 
Package Included:
 
1 x DC-DC Step Up Module
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