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MH-CD42 CD42 DC 5V 2.1A 18650 Lithium Battery 3.7/4.2V Charge/Discharge Protection Step-up Boost Converter Module for DIY Power Bank
MH-CD42 CD42 DC 5V 2.1A 18650 Lithium Battery 3.7/4.2V Charge/Discharge Protection Step-up Boost Converter Module for DIY Power Bank $0.38
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600W DC-DC 12-60V to 12-80V 15A Boost Converter Step-Up Power Supply Module
600W DC-DC 12-60V to 12-80V 15A Boost Converter Step-Up Power Supply Module $4.43

18650 Dual 5V 2A Battery Charging Module for Power Bank H913-A V1.0 V2.0

$1.30

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SKU: ARD2135 Categories: ,
Description

Specifications:
Micro USB input: 5V 1A
USB Output: 5V 2.1A / 5V 1A(Dual USB interface)
Charging display: intelligent digital display
Batteries Type: liquid lithium-ion batteries (18650)
Product Size: 57mm x 28mm
Screen size:27mm x 17mm

Installation instructions:
The circuit board is connected to the battery negative B-, B + is the positive, do not connecting reversed, connecting reversed will burn the board, the battery is connected in parallel welding, assembling battery. Note that the insulation between the battery and the circuit board, battery lead not to touch the circuit board, so as not to cause a short circuit.

Lithium Battery Charging Dual USB Output Step-up Boost Converter Module with Display for DIY Power Bank

Additional information
Weight 0.03 kg
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