You can use either the USB-C port (for USB-PD fast charging on iPhones and newer Androids) or the USB-A port (for Quick Charge 3.0 compatible devices).
What (e.g., iPhone, MacBook, Samsung) are you trying to connect?
To avoid damaging your PBY37 or voiding the warranty, follow these rules:
| Component | Description | |-----------|-------------| | | Input (5V/3A, 9V/2A) & Output (5V/3A, 9V/2A) | | Micro-USB Port | Input only (5V/2A, 9V/2A) | | USB-A Port | Output only (5V/3A, 9V/2A, 12V/1.5A) | | Power Button | Short press: check battery level; Long press 3s: turn off | | 4 LED Indicators | Show remaining charge (25% per LED) |
The LED indicators on the side will display the remaining battery life. Activating Low-Current Charging Mode aukey pby37 manual
: The primary bidirectional port used to recharge the power bank itself and fast-charge compatible USB-C laptops, tablets, and phones.
If you need the original manufacturer’s in PDF form:
Located on the side. Press once to wake the device, check battery levels, or activate charging.
DC 5V 3A, 9V 3A, 12V 3A, 15V 3A, 20V 2.25A (Max 45W) You can use either the USB-C port (for
Do not use or store the power bank in extreme temperatures (above 45°C / 113°F or below 0°C / 32°F).
Connect a USB-C cable to the input port and a wall charger. For the fastest recharge (45W), use a high-wattage PD charger.
This mode is designed for headphones, fitness trackers, and other low-power items.
To recap the essentials:
: As the device contains a lithium battery, do not expose it to direct sunlight for long periods, or throw it into fire to avoid the risk of explosion .
Optimal charging occurs between 40°F and 110°F . Extreme temperatures can significantly slow down charging speeds.
The LED indicator typically shows the current battery status. Once all LEDs are solid and stop blinking, the unit is fully charged. How to Charge Your Devices The PB-Y37 can charge up to three devices simultaneously. PB-Y37 20,000mAh 65W PD Powerbank Fast Charge
To exit low-current mode: Single press the power button. DC 5V 3A, 9V 3A, 12V 3A, 15V 3A, 20V 2
| Feature | Specification | | :--- | :--- | | | Aukey Essential PB-Y37 | | Capacity | 20,000 mAh / 74 Wh | | Battery Type | Lithium-Polymer (Li-Polymer) | | Total Max Power Output | 65W | | Ports | 2x USB-C, 1x USB-A | | Dimensions | 157 x 72 x 25 mm (6.2 x 2.8 x 1.0 in) | | Weight | 370g / 377g (approx. 0.37 kg) | | USB-C Input (Charging) | DC 5V-20V (45W Max) | | USB-C Output 1 (Top Speed) | DC 5V 3A, 9V 3A, 12V 3A, 15V 3A, 20V 3.25A (65W Max) | | USB-C Output 2 (Secondary) | DC 15V 3A, 3V 2A, 12V 1.5A (18W Max) | | USB-A Output | DC 5-6V 3A, 6-9V 2A, 9-12V 1.5A (18W Max, QC3.0) |