SOBO SB4000 Mini AC/DC Air Pump

SOBO SB4000 Mini AC/DC Air Pump

The SOBO SB4000 Mini AC/DC Air Pump is a compact aquarium air pump with a double outlet and super silent operation. It suits fishkeepers who want strong air output from a small body, with a rechargeable lithium battery for times when mains power isn't available.

Key Benefits

• Large output from a compact body, so it doesn't take up much room.
• Double outlet delivering 2x 3L/M, so you can supply two air lines from one pump.
• Super silent operation, which suits living rooms, bedrooms and offices.
• Stylish design with a touch switch for simple control.
• Built-in lithium battery with a run time of 5-24 hrs, a useful back-up during power outages such as load-shedding.
• AC/DC design, so it can be used on mains power or on battery.

Suitable For

• Hobbyists who need a quiet, small air pump for an aquarium setup.
• Anyone who wants two air outlets from a single compact unit.
• Keepers who want a battery-powered air supply as a back-up during power interruptions.

Specifications

• Type: Mini AC/DC air pump
• Outlets: Double outlet, 2x 3L/M
• Noise level: Super silent operation
• Control: Touch switch
• Battery: Lithium
• Battery run time: 5-24 hrs

Frequently Asked Questions

How many outlets does this air pump have?
It has a double outlet. Each outlet is rated at 3L/M (2x 3L/M).

How long does the battery last?
The built-in lithium battery gives a run time of 5-24 hrs.

Will it keep running during load-shedding?
It is an AC/DC pump with a lithium battery, so it can run on battery power when mains power is off, for 5-24 hrs.

How do I switch it on and off?
The pump has a touch switch rather than a conventional button or dial.

Is it quiet enough for a bedroom or lounge?
It is designed for super silent operation, which makes it a good fit for living spaces where noise matters.

When can I expect delivery?

• Gauteng (Jhb/Pta) - 1-3 working days
• Nationwide (Cpt/Dbn+) - 2-5 working days
• Outlying Areas - 3-7 working days

All orders are sent via Economy Road, typically through Fastway or Internet Express Couriers*. Estimated timeframes are not guaranteed. Once the order is collected by the courier, we have no control over third-party logistics and cannot make any time promises.

If you prefer a faster 🚀 shipping option, we also offer The Courier Guy during checkout in the dropdown selection. Please note that this option is not free, and you must choose it to use it. Please pay careful attention to the cutoff times and delivery timeframe for these options during checkout.

Enjoy the convenience of collection points and lockers! 📦

No more waiting at home or at work for your delivery. Simply choose a collection locker or pickup point and collect your order when it suits you.

Delivery times to lockers and pickup locations typically range from 2–7 working days, depending on your location.*

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Collection timeframes:

• Bob Box: Collect within 2 days of receiving your collection notification.
• PUDO Lockers: Collect within 36 hours of receiving your collection PIN or SMS notification.

If a PUDO parcel is not collected within 36 hours, it will automatically be transferred to the nearest PUDO Kiosk or Depot at no additional cost. The parcel will then be held there for approximately 2 days before being returned.

Please ensure you collect your parcel within the applicable collection period. Uncollected parcels will be returned to the sender, and additional shipping charges may apply should the order need to be resent.