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3.7V Li-ion Battery Mini USB to USB A Power Supply Module

5V 1A Charger Module

SKU: 437402
  • US$5.23

    8 %

  • 4.83
  • Free shipping To

  • Handling Time: Ships within 1 Business Days
  • Dispatch: Ships within 4-7 business days
  • Form Color:


3.7V Li-ion Battery Mini USB to USB A Power Supply Module
5V 1A Charger Module

3.7V Li-ion Battery Mini USB to USB A Power Supply Module

US$4.83 US$5.23 8%OFF 5 (1 reviews)
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This PCB also support charging the battery, simply supply a 5V micro USB source to the charging input and it will charge the connected battery to 4.2V.
Great for mobile power source using Lithium ion batteries (unprotected is also ok).
Connect multiple batteries to the battery input to increase the capacity power capacity.
With iphone recognition circuit, can charge iPhone.

Protection Circuit:
Overcharge protection: 4.3V
Overcharge protection release: 4.1V
Overdischarge protection: 2.9V
Overdischarge protection release: 3V

Charging voltage input: 5V 1A
Step up voltage output: 5V 1A max
Transient current: 180uA
Red LED: Charging
Green LED: Charging completed
Blue LED: There is a load in the USB
Form ColorGreen
Input Voltage3.7V
Output Voltage5V
Max. Output Current1A
Dimensions & Weight
Dimensions 1.97 in x 0.79 in x 0.35 in (5 cm x 2 cm x 0.9 cm)
Weight 0.21 oz (6 g)
Packing List
1 * Power supply module

All packages from are sent without DX logo or any information indicating Due to package variations from suppliers, the product packaging customers receive may be different from the images displayed.

To enable volume discounts on this site, use coupon code: BULKRATE during checkout. You will see a discount applied at the bottom of the shopping cart. Competitive pricing is available. Contact us for details.

Quantity 3+ units 5+ units 10+ units
Rate US$4.28 shipped US$4.27 shipped US$4.25 shipped

What is Bulk Rate? BulkRate is a semi-wholesale system with items priced separately from retail. When you use bulk rates, a flat $1.70 registered air mail fee will automatically be added to your cart to ensure delivery of package. While BulkRate's intention is to offer cheaper prices when you buy in bulk, because it is priced separately it on occassions show a higher than retail price. That's why we ask you to enter BULKRATE as a coupon code to manually activate the rates. You can always opt not to use the bulk rates. If you are looking for wholesale prices please feel free to contact us.

Customer's impression:
Slim Green Lithium module
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Recent Customer Reviews

  • yishayco Post on 7/19/2017

    Easaly solder battery on - and + on board to get a power bank. I have measured 0.47A output, less than claimed but not to bad. For small appliences it will do. Its slim for the type, and surtenly could be cheaper - i think... Read more

    Impression:Slim, Green, Lithium module

    23 0

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