Mini Power Bank Module Charging Type-C 3A
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Shipping
We are an online wholesale platform and shipping costs are charged separately for greater benefit to you.
Air freight costs are based on the weight of the product (including packaging bags and cushioning materials). For products under 2kg, freight is calculated in 50g increments. For products between 2kg and 4kg, freight is calculated in 100g increments. For products over 4kg, freight is calculated in 1kg increments.
If your order exceeds 4kg or the shipping cost exceeds $70, we recommend contacting our customer service for an accurate shipping quote. You will need to provide your zip code address when you contact us.
Air freight options include DHL, UPS, FedEx, and Yun Express, with a delivery time of 7-12 days.
When the weight of the express delivery exceeds 12kg or air shipping cost exceeds US$100 or sea shipping cost exceeds US$50, you can choose B2B shipping:
Air freight(10-14 days)
Yun quik boat sea freight (15-20 days)
Quik boat sea freight(20-25 days).
Air freight B2B express |
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| US Area | Unit Price | Date | Last-mile Delivery |
| Western United States (zip codes starting with 8 or 9) |
US$7.5/kg + US$2 | 10-15 days | UPS / FEDEX / GOFO |
| Central United States (zip codes starting with 4, 5, 6, or 7) |
US$8.5/kg + US$2 | ||
| Eastern United States (zip codes starting with 0, 1, 2, or 3) |
US$9.0/kg + US$2 | ||
Yun quit boat sea freight B2B express |
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| US Area | Unit Price | Date | Last-mile Delivery |
| Western United States (zip codes starting with 8 or 9) |
US$3.4/kg + US$2 | 15-20 days | UPS / FEDEX / GOFO |
| Central United States (zip codes starting with 4, 5, 6, or 7) |
US$3.6/kg + US$2 | ||
| Eastern United States (zip codes starting with 0, 1, 2, or 3) |
US$3.8/kg + US$2 | ||
Quit boat sea freight B2B express |
|||
| US Area | Unit Price | Date | Last-mile Delivery |
| Western United States (zip codes starting with 8 or 9) |
US$2.6/kg + US$2 | 20-25 days | UPS / FEDEX / GOFO |
| Central United States (zip codes starting with 4, 5, 6, or 7) |
US$2.8/kg + US$2 | ||
| Eastern United States (zip codes starting with 0, 1, 2, or 3) |
US$3.0/kg + US$2 | ||
Processing starts after your payment confirmed. Normally, it needs 2-5 days. The processing time depends on the quantity of items.
3.1A Synchronous Boost Converter
3A Synchronous Switching Charge
Supports Simultaneous Charging and Discharging
Boost Efficiency Up to 93%
4 LED Power Display
Automatic Detection of Phone Insertion and Removal
Double-click to Turn Off Output, Single-click to Turn On Output
TYPE-C Supports Single-Port Input/Output
Intelligent Phone Charging Current Recognition (DCP)
Intelligent Load Identification, Automatic Standby Mode
Output Overcurrent, Overvoltage, and Short Circuit Protection
Input Overvoltage, Overcharge, Over-Discharge, and Overcurrent Discharge Protection
1. Before connecting the battery, connect the board to the phone charger via a Type-C data cable. Observe that the four indicator lights illuminate in sequence to confirm that the module chip is functioning properly.
2. Use a multimeter to measure the voltage of the prepared battery. Ensure that the battery voltage is between 3.0-4.2V. If the voltage is higher or lower than this range, the battery is likely damaged or incompatible.
3. After confirming that the battery is fine, take precautions against static electricity, prepare thick wires for soldering, and pay attention to the positive and negative terminals. Reversing the connection will burn the board.
4. The charging input can be connected to the charger via the Type-C interface, or it can be connected to a 5V source via the interface marked in blue in the picture above. The input current of the Type-C port must be greater than that of the soldering port (the Type-C port can charge the battery at 3A, while the soldering port can charge the battery at a maximum of 2A).
Batteries can only be connected in parallel (no limit on the number in parallel), not in series; connecting them in series will burn out the motherboard.
The wires connecting the external battery to the motherboard must be able to handle a current of at least 6A, using copper wire of at least 0.9 square millimeters; ordinary wire should be 1.5 square millimeters. The wire doesn't need to be too thick, but it also shouldn't be too thin, as this poses a safety hazard (because the battery terminal current is very high).
The motherboard has a built-in protection chip; no additional protection board is needed for the battery unless your protection board can handle a current of 6A or higher. Otherwise, please remove your existing protection board and connect the battery cells directly to our motherboard. (Because the built-in protection chip generally cannot handle high currents; it will trip when the output power is too high.)