Lifepro PowerFlow X review

The PowerFlow X is the cheapest way onto this list, but read the unit carefully: the $179.99 sale price buys one dumbbell, not a pair. That single dumbbell slides between six weight levels from 5 to 55 lbs using a slide-and-lock selector, and the plates dock back into a rack. One dumbbell works for goblet squats, single-arm rows, swings and step-ups, so it can make sense as a first purchase for a renter who mainly trains legs and back. For presses and curls you will want two, which brings the cost to about $360 on sale and removes most of the price advantage. With only six levels, the jumps are large, and buyers on Lifepro's page say they would like 2.5 lb steps. Lifepro offers a lifetime warranty, 30-day returns and free shipping.

Who it is for

one-arm training on a tight budget

Price

$179.99 on sale at Lifepro's US store when checked, $259.99 regular, for one dumbbell.

Regular price $259.99 Sale price $179.99
Quoted from the vendor pricing page on November 12, 2026.

Key features

• 5 to 55 lbs in one dumbbell
• Six weight levels
• Slide-and-lock weight selector
• Rack with auto-docking weight plates
• Exercise poster with 15 illustrated moves included

Strengths and weaknesses

• Strength: Lowest entry price on this list at $179.99
• Strength: Lifetime warranty
• Strength: Risk-free 30-day returns and free shipping
• Weakness: Sold as a single dumbbell, so a pair costs twice as much
• Weakness: Six levels means 10 lb jumps between most settings
• Weakness: Buyers on Lifepro's page ask for 2.5 lb increments

Key facts

• Price: $179.99 on sale, $259.99 regular (single)
• Weight range: 5 to 55 lbs
• Settings: 6
• Adjustment: Slide-and-lock selector
• Warranty: Lifetime

Where it ranks

Lifepro PowerFlow X is No. 8 in our Best Adjustable Dumbbells verdict.