# Haseed 18V-to-12V Step-Down Converter, 2-Pack Haseed’s 18V-to-12V step-down converter is a two-pack adapter set for powering 12V devices from compatible Milwaukee 18V batteries. The listing claims up to 20A and 240W output, with a 30A fuse, but batteries are not included. - [Original product page](https://best-deals.pro/product/haseed-18v-to-12v-step-down-converter-2-pack) - [View offer](https://best-deals.pro/visit/haseed-18v-to-12v-step-down-converter-2-pack) - Market: US - Language: en-US - Currency: USD - Brand: Haseed - Model: 797457493553 - Price: 31.44 USD - Previous price: 36.99 USD - Discount: 15% - Price checked: 2026-11-14T07:07:59.921Z - Rating: 4.6 / 5 - Reviews: 203 Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store. ## At a glance - Designed to connect compatible Milwaukee 18V lithium batteries to 12V devices. - The listing specifies up to 20A and 240W output. - A 30A fuse and several listed electronic protection functions are claimed. - Wire terminals are identified as an output connection option. - Batteries are not included. ## Pros - Two converters are specified in the pack, useful when separate 12V setups are needed. - The claimed 12V output and Milwaukee battery compatibility suit projects such as LED lighting, ride-on toys, RC cars and DIY equipment. - The listing describes over-current, over-voltage, overload, low-load, short-circuit and over-heat protection. ## Cons - Requires a compatible Milwaukee battery, which is not included. - The supplied feedback includes a report of 18V batteries draining over time, so battery use during idle or prolonged connection is a consideration. ## Specifications ### Identity - Brand: Haseed - Model: 797457493553 - Color: Red ### Power and battery - Power configuration: rechargeable battery - Input voltage: DC 18V-20V - Output voltage: DC 12V - Maximum output current: 20A Max - Maximum output power: 240W Max ### Connections and protection - Plug format: 2 Pin - Number of outlets: 1 - Fuse: 30A fuse ### Pack - Number of packs: 2 ## Before you buy - The listing advises removing the battery from the adapter when it will not be used for a long time. Output and protection details are manufacturer claims, not independent performance measurements. ## A good fit for - DIY users adapting compatible Milwaukee batteries to 12V LED or work lighting. - Owners of listed 12V projects such as RC cars and ride-on toys who can verify their device's current and wiring requirements. - Buyers who want two converter units for separate projects. ## Less suited to - Anyone needing a standalone power supply without a compatible Milwaukee battery. - Devices that require a different voltage or exceed the listed maximum output. ## Customer feedback Customer feedback describes the converter as working well and easy to install, including a reported use for 12V lighting. Some customers say they would buy more. Battery life feedback is mixed, with one reported concern about 18V batteries draining over time. That matters for setups left connected, especially because the listing advises removing the battery during long periods of non-use. These comments are customer perceptions, not a measure of output or runtime. - Positive themes: Customers report that the converter works well and is easy to install. - Positive themes: Some customers describe it as worthwhile and say they would buy additional units. - Negative themes: Battery life feedback is mixed, including a report of 18V batteries draining over time. - Mixed feedback: Reported usefulness for 12V lighting sits alongside a concern about battery drain, making idle-use habits relevant. ## Frequently asked questions ### Does the pack include Milwaukee batteries? No. The listing explicitly says the battery is not included. ### What output does the converter claim? The listing specifies DC 12V output, up to 20A and up to 240W. ### Which batteries is it intended to fit? The listing claims compatibility with Milwaukee 18V lithium batteries and names several 48-11-series models. Confirm your exact battery model and connector fit before use. ### Should the battery stay attached when the converter is idle? 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