Aukey Pby37 Manual -

You can charge two devices simultaneously. However, when both ports are active, the total output is split, and the USB-C port will drop from 65W to protect the circuitry from overheating. 4. Low-Current Charging Mode

Lower-wattage phone chargers (like older 5W bricks) will charge this 20000mAh battery extremely slowly or not at all. Use a Power Delivery charger. Power bank is not charging my connected device Disconnect and reconnect the charging cable on both ends.

: Connect your device to one of the output ports. Charging typically starts automatically, but you may need to press the power button once to initiate the connection.

: Do not operate or store the power bank in temperatures exceeding 45°C (113°F) or below 0°C (32°F). Avoid leaving it in direct sunlight or parked vehicles. aukey pby37 manual

Note: This feature is based on the original Aukey PB-Y37 user manual and product specs. For an exact manual copy, search “Aukey PB-Y37 manual PDF” on manual aggregation sites like ManualsLib or Archive.org.

Actual results vary based on device battery health and usage during charging.

To ensure the power bank itself has plenty of power, it's essential to charge it correctly. You can charge two devices simultaneously

| LEDs lit | Remaining capacity | |----------|--------------------| | 1 (flashing) | 0–3% (critical) | | 1 solid | 3–25% | | 2 solid | 25–50% | | 3 solid | 50–75% | | 4 solid | 75–100% |

Ensure the power bank has a remaining charge by pressing the power button. Firmly reseat the cable connections at both ends.

Connect the other end to a 45W (or higher) USB-C Power Delivery wall charger. While charging, the LED indicators will flash sequentially. : Connect your device to one of the output ports

Supports Power Delivery (PD) 3.0 up to 65W. USB-A Port (Output): Supports Quick Charge 3.0 (QC 3.0).

Press the once. The LED indicators will light up for approximately 30 seconds to show the remaining battery power: 4 LEDs lit : 75% – 100% capacity 3 LEDs lit : 50% – 75% capacity 2 LEDs lit : 25% – 50% capacity 1 LED lit : 5% – 25% capacity