Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque

Budget friendly high torque powerhouse for home mechanics and heavy duty bolt removal

Full manufacturer title

Seesii Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque Electric Impact Driver Cordless Impact Wrench with 21V 2x4.0Ah Battery 6 Sockets&Case for Home Car Tire Lug Nut Removal Tool

Typical price

$80

Buy on Amazon

Affiliate link. Ravvy may earn a commission from qualifying purchases at no extra cost to you.

Email Text

Seesii Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque Electric Impact Driver Cordless Impact Wrench with 21V 2x4.0Ah Battery 6 Sockets&Case for Home Car Tire Lug Nut Removal Tool 665 Ft-lbs / 2x4.0ah Battery image 1

Ravvy verdict

89.4 / 100

Buy the Seesii if you need maximum torque for occasional heavy repairs at a budget price, accepting that battery compatibility is limited to its own ecosystem.

Best for: DIY mechanics and homeowners tackling automotive repairs
Buy it if: You want exceptional loosening torque for the price point.
Skip it if: You are professional shop technicians requiring nationwide tool truck service and warranty.
Best alternative: DEWALT 20V MAX Cordless Drill and Impact Driver, Power Tool Combo Kit , Includes 2 Batteries, Charger and Bag (DCK240C2) (DIY enthusiasts and homeowners tackling interior renovations)

How it scores on what matters

Value97.0
Torque Power94.0
Battery Life89.0
Versatility85.0
Portability82.5

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The Seesii WH9 Pro disrupts the market by offering torque figures usually reserved for premium professional brands at a fraction of the cost. Delivering up to 665 foot-pounds of loosening torque, this brushless impact wrench is engineered to handle stubborn lug nuts, rusted suspension components, and industrial scaffolding with ease. Its three speed settings and dual reverse modes provide the necessary control to prevent snapping smaller fasteners while retaining the raw power needed for heavy trucks. While the price suggests an entry level tool, the inclusion of two 4.0Ah batteries and a comprehensive socket set makes this a complete workshop solution right out of the box. The build quality utilizes tungsten steel for the anvil and a reinforced housing that stands up to the vibrations of high impact work. It is an ideal choice for the DIYer who needs serious breaking power without committing to a thousand dollar battery ecosystem.

Ravvy AI insight

This tool excels in torque-per-dollar ratio, outperforming many name-brand mid-torque wrenches. However, because the battery platform is proprietary, buyers should view this as a standalone kit rather than the start of a larger tool collection. For the best longevity, ensure you use the included friction pins to secure sockets during high-vibration tasks.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 19, 2026.

What owners praise

Exceptional loosening torque for the price point
Generous kit including two high-capacity 4.0Ah batteries
Brushless motor technology for improved efficiency and tool life
Clear LED battery indicators and built-in work light
Includes a durable hard-shell carrying case and six sockets
Auto-stop mode prevents stripping threads on removal

What to know first

Proprietary battery system not compatible with major brands
Heavier than premium compact impact wrenches
Charging speed for the 4.0Ah batteries can be slow on the standard charger

Specifications

Brand: Seesii
Color: 665 Ft-lbs / 2x4.0ah Battery
Voltage: 21 volts
Material: Chrome Vanadium Steel
Set Name: Seesii Impact Wrench Set
Brand Name: Seesii
Head Style: Fixed Square
Unit Count: 176.37 Ounce
Item Length: 7.9 inches
Item Torque: 900 N m
Item Weight: 1.2 kg
Finish Types: Powder Coated
Manufacturer: Seesii
Model Number: WH9 Pro
Material Type: Chrome Vanadium Steel
Item Type Name: Wrench
Operation Mode: Battery
Number of Items: 1
Number of Packs: 1
Package Quantity: 1
Included Components: 1* Fast Charger, 1* Impact Wrench, 1* carry box, 2* 4.0AH battery pack, 6* impact sockets(14mm/17mm/18mm/19mm/21mm/22mm)
Measurement Standard: Metric, SAE
Manufacturer Part Number: WH9 Pro

How to get the most out of it

Maximize Battery Health

Avoid leaving the 4.0Ah batteries in a completely discharged state for long periods. Charge them to at least 50 percent before storing the tool in the case for the winter.

Ownership tips

tip

Use Auto-Stop Mode

When removing lug nuts, use the reverse auto-stop setting. This prevents the nut from flying off and rolling away once it breaks loose from the stud.

care

Keep Anvil Lubricated

Apply a small drop of machine oil to the 1/2-inch square drive anvil occasionally. This reduces friction and wear when swapping between different socket sizes.

Frequently asked questions

Can this remove lug nuts on a heavy duty pickup truck?

Yes, with 665 foot-pounds of breakaway torque, it is specifically designed to handle the high-torque requirements of truck lug nuts and larger machinery bolts.

Are the batteries compatible with Makita or DeWalt tools?

No, Seesii uses a proprietary battery interface. While they look similar to some other brands, they are only intended for use with Seesii cordless power tools.

Does it come with a warranty?

The product typically includes a manufacturer's warranty against defects. Users should register their tool upon arrival to ensure coverage for the motor and batteries.

What is the difference between tightening and loosening torque?

Tightening torque is the power used to drive a bolt in, while loosening (breakaway) torque is the higher burst of power used to crack open stuck or rusted fasteners.

Where can you buy the Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque?

Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque is sold through Amazon, and Seesii also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque cost?

The last price Ravvy recorded was $80. Retail pricing on power tools moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when power tools discounts run deepest, compare the open box or renewed listing against new stock, and check whether Seesii is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque in stock right now?

It was in stock at our last check. Availability on popular power tools can change within hours, so the live listing is the source of truth.

Is the Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque worth it?

Ravvy scores it 89.4 out of 100. The strongest argument for it is exceptional loosening torque for the price point. The trade off to weigh is proprietary battery system not compatible with major brands.

Who should buy the Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque?

It fits dIY mechanics and homeowners tackling automotive repairs If that does not describe your situation, compare it with the other options in Power Tools before committing.

What are the key specs of the Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque?

ASIN: B09ZTVZG2T. Brand: Seesii. Color: 665 Ft-lbs / 2x4.0ah Battery. Voltage: 21 volts.

What are good alternatives to the Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 Impact Gun High Torque?

Compare it against the other scored picks in Power Tools on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

Get scored