Dophin · Battery / AC-DC
BP-1 Battery Air Pump
- Air output
- 0.4 L/min
- Tank size
- 30–60 L
Keeping fish or shrimp oxygenated in a bag or bucket on the way home, or during a power cut.
1 model
Boyu · Battery / AC-DC
Boyu S-1801 Lithium AC/DC Air Pump
A slim twin-outlet air pump with a built-in lithium battery that takes over automatically if the mains fails. Comes in several bright colours.
Updated
8 L/min1 model
Will it suit my tank?
litres
Best for
Load-shedding and power-cut backup for a single tank.
Worth knowing
Run time on battery is not published.
What stands out
- Built-in lithium battery backup
- Automatic AC/DC changeover
- 2 x 4 L/min
- Slim, flat body
Specs
| Model | Air output | Outlets | Power | Dimensions (L × W × H) | Output |
|---|---|---|---|---|---|
| S-1801 | 8 L/min | 2 | 10 W | 17.9 × 12.5 × 4.9 cm | 2 x 4 L/min |
- Brand
- Boyu
- Pressure
- 0.012 MPa
- Colours
- Apple green, pink, orange, yellow
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
Browse all air pumps
Dophin · Battery / AC-DC
BP-188 AC/DC Air Pump
- Air output
- 2 L/min
- Tank size
- 120–230 L
Anyone in an area with regular power cuts who wants filters and livestock kept oxygenated.
1 model
Dophin · Battery / AC-DC
BP-189 AC/DC Air Pump
- Air output
- 0.5 L/min
- Tank size
- 30–120 L
Keeping a sponge filter running through short power cuts in a small tank.
1 model
SunSun · Battery / AC-DC
CQ-B Rechargeable Air Pump
- Air output
- 12–16 L/min
Larger tanks and fish rooms that need backup aeration.
2 models
Frequently asked questions
Quick answers about the Boyu S-1801 Lithium AC/DC Air Pump, drawn from its specs.
Who is the Boyu S-1801 Lithium AC/DC Air Pump best for?
Load-shedding and power-cut backup for a single tank.
Is there anything to watch out for with the Boyu S-1801 Lithium AC/DC Air Pump?
Run time on battery is not published.
What are the alternatives to the Boyu S-1801 Lithium AC/DC Air Pump?
Other air pumps worth comparing: Dophin BP-1 Battery Air Pump, Dophin BP-188 AC/DC Air Pump, Dophin BP-189 AC/DC Air Pump. Add any of them to the compare table to see the specs side by side.
How do I compare the Boyu S-1801 Lithium AC/DC Air Pump with similar products?
Tap Compare on this page and on any other air pump you are considering, then open the compare table. It lines up every published spec side by side and lets you pick the size of each product.