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Geekcreit® 3.7V 9V 5V 2A Adjustable Step Up 18650 Lithium Battery Charging Discharge Integrated Module

4.6

★★★★★

131

$0.99 /$1.21

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Feature:

Input voltage: 4.5-8V

Output voltage: continuous adjustable 4.3-27V (Counter clockwise to boost voltage)

Charging voltage: 4.2V

Charging current: up to 1A

Discharge current: the maximum 2A

Output reference maximum current: 5V 1.4A, 9V 0.8A, 12V 0.6A

Quiescent current: about 0.5 mA

Overshoot protection: Yes

Over discharge protection: None (also can be said yes, because 2V cut-off boost but does not block the output, output has 2V)

Deadline boost:: 2V, depending on whether added the additional protection board

Size: 3.3 x 2.3 x 0.9cm

Connecting 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

Can be used for multimeter, modified lithium battery charging

Package includes:

1 x Lithium Battery Charging Discharge Integrated Module

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