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ASUNT Cordless Submersible Water Pump, 500 GPH1 / 7
Product guide

ASUNT Cordless Submersible Water Pump, 500 GPH

ASUNT’s cordless submersible water pump is listed for Milwaukee M18 18V batteries and claims a flow rate of about 500GPH. The battery is not included, so it suits buyers who already own a compatible battery and want a portable pump for water transfer.

At a glance

  • Battery-powered design is listed as compatible with Milwaukee M18 18V batteries.
  • The listing claims a flow rate of about 500GPH.
  • A button switch is specified, with a warning not to immerse it in water.
  • The listing describes use for garden water features, ponds and other water-transfer applications.
Price
$39.09Save 15%

Reference price: $45.99

Price checked: 12 Nov 2026

View offer

Pros and cons

Pros

  • Cordless operation can be useful where a mains power connection is inconvenient, provided you have a compatible battery.
  • The stated flow rate gives a reference point for buyers comparing small transfer pumps.

Cons

  • The battery is not included, so a separate compatible battery is needed for operation.

Technical specifications

11 specifications
Identity and power
BrandASUNT
Power configurationBattery Powered
Battery compatibilityMilwaukee M18 18V Battery
StyleSubmersible
ColourRed
Pump and controls
Claimed flow rateabout 500GPH
Pump power and voltage120W ,12V
Maximum current and protectionSump over 20 minutes, the max current is 10A with automatic protection
Switchbutton switch (Note: Do not immerse the switch in water)
Dimensions and cable
Hose dimensions7.87" L x 1.85" W
Cablearound 4m/0.16inch

What to know before buying

Listing details to confirm

The listing is inconsistent about the cable specification, stating both around 4m/0.16inch and a separate small-hose measurement of 7.87" L x 1.85" W. It also describes the pump as compatible with Milwaukee M18 18V batteries while specifying 120W ,12V, whose relationship is unconfirmed. Confirm the cable and electrical configuration before buying. Keep the switch out of water as instructed.

What’s in the box

Included
  • Water pump with adapter

Who is it for?

A good fit for

  • Milwaukee M18 battery owners seeking a cordless submersible pump for small water-transfer tasks.
  • Buyers considering a pump for garden water features, ponds, aquariums or similar uses listed by the manufacturer.

Less suited to

  • Anyone needing a pump supplied with its battery.
  • Buyers requiring a verified flow rate, cable length or clarified electrical configuration before purchase.
ASUNT Cordless Submersible Water Pump, 500 GPH · photo 2
Additional product photo 2

Customer reviews on Amazon

5 / 5 · 1 ratings
  • 5 stars100%100%
  • 4 stars0%0%
  • 3 stars0%0%
  • 2 stars0%0%
  • 1 star0%0%

The supplied rating evidence consists of a single five-star rating, which is too little to establish a reliable pattern of customer experience. It does not indicate what the customer liked or how the pump performs, so buyers should assess the stated battery compatibility, claimed flow rate and unresolved cable and electrical details for their intended use.

Frequently asked questions

Is a battery included?

No. The listing states that the battery is not included.

Which battery does the pump claim to support?

The listing says it is compatible with Milwaukee M18 18V batteries. It also specifies a 120W ,12V pump, so the electrical configuration should be confirmed before purchase.

What flow rate is stated?

The listing claims about 500GPH. This is a product claim, not an independently verified measurement.

Can the switch be submerged?

No. The listing specifically says not to immerse the button switch in water.

ASUNT Cordless Submersible Water Pump, 500 GPH · photo 3
Additional product photo 3

Alternative options

Product details in Markdown