Sobo SB Series Aquarium Battery Air Pump, Rechargeable and Portable, Large Battery Capacity, for Aquariums, Outdoor Fishing and Power Cut (SB-228)

Directions for use

1. It should be charged for 6-8 hours for the first use. The charging is automatically turned off when fully charged.

2. Adopt the latest ultra-low power consumption to shut down and automatically sleep for 5 seconds and electronic circuits to effectively extend the battery standby time and life. Click the button to wake up from sleep mode and enter normal work. (Note: In sleep mode, it will automatically enter sleep mode again after being awakened for 5 seconds even if it encounters strong interference. And in sleep mode, it can still charge normally and indicate the battery level, and stop charging when fully charged.)

3. In DC continuous or intermittent mode, plug in the charger (available charging head, mobile power, car USB power supply, etc.), it will automatically switch to AC power mode (Keep the original continuous or intermittent mode), the AC (red) light will be on and it will be charged automatically (same as the description in item 1). Automatically switch to DC working mode after a power failure (Maintain the original continuous or intermittent mode), the AC (red) light goes out.

4. Emergency start mode: When the charger is manually shut down after the charger is plugged in (or the charger is plugged in after the manual shut down), in case of power failure, the machine will automatically start in continuous mode. After charging, it will automatically shut down under-voltage protection. When the mains power is restored, it will start again in continuous mode and automatically charge.

• ⚡️【USB Rechargeable】 Up to 70 hrs. Build-in 4800 mAh rechargeable lithium battery provides up to 70 hrs working time (interval mode). So it will be suitable for outdoor fishing, fish transportation and power outages, etc. You can charge it with devices with a USB interface, such as a power bank, a laptop, a car cigarette lighter, or a wall charger.
• 💨【Strong Air Volume】The air pump can produce a large amount of aeration and provide sufficient air circulation in the fish tank. In continuous air supply mode, this air pump will continue to produce bubbles. The air flow can reach a maximum 2*3L/min. The air pressure will be 0.02 Mpa. In interval air supply mode, this air pump will pause for 10 seconds every 10 seconds, to save energy and prolong usage time.
• ♻️【Energy-Saving&Quiet】The air pump's power is 2W, so that it is energy-efficient and won't get overheated while operating. Minimum 40 dB in lowest flow rate. It won't disturb your sleep while running.
• 🎣【Rich Applicable Scenarios】This quiet air pump is perfect for both Freshwater and Marine Aquariums, great to be used for all types of tanks with capacity of 5-15 Gal(20-50L)
• 👍【Accessories】1 x Air Pump, 2 x Air Tube, 2 x Air Stone, 1 x USB Power Cord. Our air pump is built with durability and safety, based on thoughtful design.