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

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

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  • CN US$3.35
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3.7V Li-ion Battery Mini USB To USB A Power Supply Module 3.35 (58)
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3.7V Li-ion Battery Mini USB To USB A Power Supply Module 5V 1A Charger Module

Features:


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

Specification:

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
Size: 50 x 20 x 9 mm

Package include:

1 x USB DC 5V power supply
3.7V Li-ion Battery Mini USB To USB A Power Supply Module

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

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

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This warranty and return policy are only available for the sub categories of Arduino SCM & 3D Printer Acc, Electronic Accessories & Gadgets .

Within 180 days

If there are any product quality problems which are not caused by artificial factors such as dis-assembly, misuse, drops or falls, water damage, un official firmware or software modifications or any others causes of damage, we will cover the actual postage (according to the receipt you provided) only if it cost less than $40 (USD).
If damage occurred such as the display screen is broken then we can not offer warranty service. If you still would like to repair it, you can send the unit back to us. We will help by forwarding the item (if repairable) to the manufacturer for repair. You pay for all the shipping cost and the repair cost in this situation. If there is any other cost incurred during the process, it will be at your expense as well. We will send you a bill to show you the details of all costs before we send the unit back to you.

After 180 days from shipment

Any warranty service for any eBook reader will be rejected after the 180 day period has expired.

Return Policy

DOA (Dead on Arrival) Items

If the product (except DIY kits) arrived broken you need to contact us within 3 days from the day you receive the package. Then follow the 3 Day Product Guarantee.

About Unsatisfactory Products

If you are not happy for any reason with your purchase then you can return it within 3 days of receipt for a full refund minus the shipping charges incurred by us or an exchange. You will be required to cover shipping cost both ways if the return is not a result of our error. Please make sure the item you send back to us is in the original packaging and the merchandise is in the same condition as when you received it.

E-Book Reader Problem

If there are E-book reader after-sale problems ,please kindly provide us with proof as below:

  • Product ID number.
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  • Photo, video, screenshot.
  • Description of the item problem.

We will confirm the photos are valid and solve your problem . If you can not offer us detailed videos or valid photos we can not help to solve your problem.

    Notes:

  • Please read the descriptions carefully and clearly before purchasing. If the descriptions are not clear enough, please feel free to contact us .
  • Visual confirmation is a requirement of your service policy. If you cannot provide a clear video or valid photos we cannot help to deal with product problems.
  • This category( Arduino SCM & 3D Printer Acc)includes many DIY kits. Our technical service can only be a guide. We can do nothing to help and we are not responsible for the damage caused by incorrect welding, construction or any circuit damages. We recommend you have some knowledge of electronics before purchasing any of our DIY kits.
  • If you find the product is damaged, please do not disassemble it privately (such as e-books, programmers, signal logic analyzers and other prebuilt items). If you disassemble it privately it is difficult to determine if the problem was caused by disassembly or due to manufacturer fault. Please do not open items up as we do not provide any warranty service on and disassembled items.
Reviews
  • 5 Star48 (82.8%)
  • 4 Star4 (6.9%)
  • 3 Star0 (0.0%)
  • 2 Star5 (8.6%)
  • 1 Star1 (1.7%)
  • All(58)
  • Good(52)
  • Bad(6)
  • Images(6)
  • Overall:
  • Price:
  • Quality:
  • Appearance:
  • Nice

    By:foksa 2017-05-16 03:04:20
  • Just what I needed for my Gameboy Zero Project
  • Comments(0)Helpful? (0)(0)
  • Overall:
  • Price:
  • Quality:
  • Appearance:
  • very bad, no exceed 500 milliamperes

    By:Nudo1nudo 2017-04-22 23:34:55
  • According to how it came to me: -Value for price: 1/5, would not pay if he knew that output does not exceed 500 milliamperes. -Quality: 1/5, Zero Quality, Not expected, not exced 500 milliamperes. -Appearance: 5/5 because apparently it came in good condition. ~ Charging voltage input: 5V 1A [OK] ~ Step up voltage output: 5V 1A max [NO] [MAX IS 0.480A, NO EXCEED 500 MILLIAMPERES] [USING 6 LI-ION BATTERY IN PARALLEL, CHARGED 1x1 100% GREEN LIGHT] Using a 5V - 1A charger, My phone charges: 5v - 0.540 A My tablet charges: 5v - 1,100 A Using 1 cell, and up to 6 cells in parallel (charges with the same module at 100% green light) My phone charges to: 5v / 0.410 A (never reaches 0.500 milliamps) My tablet charges to: 5v / 0.450 A (it never reaches 0.500 milliamps and only charges if the screen of the tablet is turned on, if the screen is off or the tablet is off, not charging) others devices: 5v / X < 0.490 A I bought it especially to charge my tablet to 1 amperes and other devices to 1 amperes. Help? Read moreHide
  • Comments(0)Helpful? (0)(0)
  • Overall:
  • Price:
  • Quality:
  • Appearance:
  • inexpensive

    By:Lewis 2017-02-14 21:21:09
  • haven't used it yet but it seems like a quality unit
  • Comments(0)Helpful? (0)(1)
  • Overall:
  • Price:
  • Quality:
  • Appearance:
  • Item arrived broken

    By:Daücco 2017-02-11 20:50:32
  • One of the on-board chips is horrendously soldered. Indeed, two of its legs aren't soldered at all. I guess mine is an isolated case, but definitely the quality control of this product ain't the best. Also shipping took almost 2 months! I can't blame the seller on this tho, since the item was dispatched shortly after payment, but still... So sad this is the first item I buy from Banggood, I'm completely disappointed with the service so far.
  • Comments(0)Helpful? (1)(0)
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