About:
Compact, powerful, and ideal for everyday use or emergency air supply backup.
Key Features:
- Dual Outlet Design: Provides strong airflow with 2 x 3L/min output.
- USB Powered: Charges and operates via USB-plug directly into a 220V socket or use a power bank to extend operation.
- Simple One-Button Control: Operated by a single red button with built-in LED indicators.
- Automatic Backup Function:
When plugged into 220V AC, the red LED glows and the pump runs normally.
If power fails, it automatically switches to battery mode (green LED lights up).
In standby/off mode (red LED flashes), the pump remains off unless a power outage occurs-then it automatically activates on battery.
Charging & Battery:
- Initial Charge: Charge in standby/off mode for 8-10 hours before first use.
- Smart Recharge: The internal battery recharges automatically whether the pump is on or off.
- Efficient Charging: Charging is faster when the unit is in standby/off mode.
- Battery Runtime: Provides up to 12 hours of operation during a power outage when fully charged.
Technical Specifications:
- Air Output: 2 x 3 litres/minute
- Power Consumption: 2.8W
- Voltage: 220V-240V AC
- Frequency: 50Hz / 60Hz
Perfect for aquariums and emergencies-ensures your fish always get the oxygen they need.
What’s in the box
1x Sobo Auto Mini AC/DC Air pump SB-4000











