Geekcreit® 3.7V 9V 5V 2A Adjustable Step Up 18650 Lithium Battery Charging Discharge Integrated Module
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ntFeature:
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nntInput voltage: 4.5-8V
nntOutput voltage: continuous adjustable 4.3-27V (Counter clockwise to boost voltage)
nntCharging voltage: 4.2V
nntCharging current: up to 1A
nntDischarge current: the maximum 2A
nntOutput reference maximum current: 5V 1.4A, 9V 0.8A, 12V 0.6A
nntQuiescent current: about 0.5 mA
nntOvershoot protection: Yes
nntOver discharge protection: None (also can be said yes, because 2V cut-off boost but does not block the output, output has 2V)
nntDeadline boost:: 2V, depending on whether added the additional protection board
nntSize: 3.3 x 2.3 x 0.9cm
nntConnecting example, VIN + connect 5V solar panel, BAT + terminal can output 4.2V to charging 3.7V 18650 battery, OUT + side can output an adjustable voltage
nntCan be used for multimeter, modified lithium battery charging
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nntPackage includes:
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nnt1 x Lithium Battery Charging Discharge Integrated Module
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