Main Features:

- DIY Power Bank and Charger
Custom capacity by 4 x 18650 li-ion batteries to make your own power bank, portable external supply, provides enough power
Also a battery charger for the 18650 battery, a dual-use item

- Three Inputs
Type-C, 8 Pin and Micro USB inputs, just one cable can charge the power bank, easy operation

- Dual Outputs
Dual outputs, can charge phones, pads or other small electronic devices simultaneously

- Independent Circuit
Independent battery, charging and discharging at the same time, can work together and not influence each other

- LCD Display Screen
Each battery independently clearly displays output voltage and current, easy to read the remaining capacity

- Reverse Polarity Protection
When it comes to the reverse polarity, the chip inside will automatically identify and cut off the power of the reversed polarity circuit, displays an empty battery level
Reversed polarity will not affect the normal operation of other circuits

Parameters:
Battery: 4 x 18650 3.7V li-ion battery ( not included )
3-input ports: 5V 2A ( max )
Output: 5V / 1A, 2A

Tips:
1. When input and output at the same time, it will automatically charge the device first, then charge the battery.
2. Press less than 1 second to turn on / turn off the backlight, press 2 seconds to turn on / off the machine.

0.131

Package weight: 0.161 kg
            Product Size(L x W x H): 10.00 x 8.30 x 2.60 cm / 3.94 x 3.27 x 1.02 inches
            Package Size(L x W x H): 18.80 x 11.00 x 3.10 cm / 7.4 x 4.33 x 1.22 inches

Package Contents: 1 x Charger, 1 x USB Charging Cable, 1 x English User Manual

TOMO S4 DIY Smart Power Bank 4 x 18650 Li-ion Battery Type-C Micro USB 8 Pin Input Dual Output Charger

TOMO S4 DIY Smart Power Bank 4 x 18650 Li-ion Battery Type-C Micro USB 8 Pin Input Dual Output Charger

TOMO S4 DIY Smart Power Bank 4 x 18650 Li-ion Battery Type-C Micro USB 8 Pin Input Dual Output Charger

TOMO S4 DIY Smart Power Bank 4 x 18650 Li-ion Battery Type-C Micro USB 8 Pin Input Dual Output Charger

TOMO S4 DIY Smart Power Bank 4 x 18650 Li-ion Battery Type-C Micro USB 8 Pin Input Dual Output Charger

TOMO S4 DIY Smart Power Bank 4 x 18650 Li-ion Battery Type-C Micro USB 8 Pin Input Dual Output Charger

TOMO S4 DIY Smart Power Bank 4 x 18650 Li-ion Battery Type-C Micro USB 8 Pin Input Dual Output Charger

TOMO S4 DIY Smart Power Bank 4 x 18650 Li-ion Battery Type-C Micro USB 8 Pin Input Dual Output Charger

TOMO S4 DIY Smart Power Bank 4 x 18650 Li-ion Battery Type-C Micro USB 8 Pin Input Dual Output Charger

Shipping & Delivery

All orders are processed within 2 business days. Orders are Processed but not Shipped on Bank Holidays and Weekends. Shipping is done on the next working Day.

Most of our Item fall under the Free Worldwide Economy Shipping Criteria.
However these are not tracked, if you wish to have Tracking Details of your order please Select Paid International Standard Shipping. Shipping method may be selected at checkout. At times Shipping costs may increase depending on weight, volume, postal code, and shipping method.

Remote areas may require additional time for delivery.

Standard Shipping

Standard Shipping rates will vary from item to item and Location to Location, based on package weight and distance.
Rates will be shown during the checkout process prior to payment. Please allow 2 business day for processing.

Free International Economy Shipping. (Worldwide)

Please allow 2 business day for processing and 15 - 60 days for delivery, depending on your location and the Item Location.

Customs & Import fees may apply to some international orders. These fees fluctuate by country and by order value, and we have no influence or control over them.
The customer is responsible for all customs and / or import fees. By law, we cannot lower the invoice value or send the order as a gift.

Easy and Hassle Free Returns Policy.

An Item can be RETURNED Unused and Repacked in its Original Package if you have received an incorrect or defective item.

Unused and Unopened items will be accepted within 14 days of delivery for a full refund. 

If the Customers has changed his/ her mind after receiving the Item Returns Postage will be Paid by the Customer. 

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. 

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