LifeOG 5-in-1 Adjustable Dumbbell Set of 2 with Storage Box, 25 lbs Review
A space saving adjustable dumbbell pair with five weight levels and a secure dual-lock system.
| Brand | LifeOG |
|---|---|
| Category | Adjustable Dumbbells |
| Color | Black |
| Unit Count | 2 |
| Weight Range | 4 to 25 lbs per dumbbell |
| Adjustment | 5-in-1, one second |
| Best for | Home gym users who want five weight levels in a compact pair |
Product Overview
The LifeOG adjustable dumbbell set includes two 5-in-1 dumbbells and a storage box. Each dumbbell shifts between five weight levels from 4 to 25 lbs via a rotating selector.
This review checks the adjustment mechanism, grip, dual-lock safety, materials, and whether the pair fits practical home training.
Score Breakdown
This verdict is based on the manufacturer's stated specifications, the current Amazon listing and its product images, the confirmed materials and design, real buyer ratings, and our research into the product category. Scores are consistent editorial judgments, not laboratory measurements, and we did not receive a paid sample.
Key Features
Rotate to choose one of five weight settings from 4 to 25 lbs, then lift; no plate swapping.
Replaces five bulky dumbbell sets with a single adjustable pair and includes a storage box.
Weights adjust only on the base, and the handle locks plates automatically when lifted.
33mm of soft rubber and a textured grip help reduce slipping during sweaty workouts.
Cast iron core with thickened PE exterior resists cracking, bending, and wear better than vinyl.
Design and Build Quality
The dumbbells use a cast iron core and thickened PE exterior, which the listing says resists cracking and bending better than vinyl. An anti-slip silicone grip and 33mm of textured rubber are meant to reduce slipping.
The included storage box keeps the set together, but the listing lists only one dimensions line of 7.6 x 15.7 inches, so the exact footprint or clearance around the adjustment base is not fully confirmed.
Performance in Everyday Use
The 5-in-1 selector is designed for one hand, one second changes, which could speed up circuit training. The dual-lock system is intended to hold plates automatically when the dumbbell is lifted, including overhead presses.
However, the top weight is 25 lbs per dumbbell, so this is not a heavy strength tool for advanced lifters. Also, exact weight increments between 4 and 25 lbs are not listed, so buyers cannot confirm the jumps before purchase.
How It Performs: The Evidence
| Decision factor | What we found | Evidence and measurement | Score | Why it matters |
|---|---|---|---|---|
| Adjustment speed | One second, one hand | Listing states one second adjustment across five weight levels | 9.0 | Fast changes support circuit work. |
| Grip security | Textured anti-slip grip | Title lists anti-slip silicone grip; bullets mention 33mm of soft rubber | 8.5 | Grip should reduce slipping during sweaty sets. |
| Lock safety | Dual-lock system | Listing describes expert-certified dual-lock with automatic locking on lift | 8.5 | Supports overhead and heavy lifts, but no third-party testing is cited. |
| Material durability | Cast iron with PE shell | Bullets say cast iron inside and thickened PE outside resists cracking and bending | 8.0 | Expected to be durable, but long term wear is not independently confirmed. |
| Weight range | 4 to 25 lbs per dumbbell | Bullets state five weights from 4 to 25 lbs | 7.5 | Good for beginners, too light for advanced strength work. |
Who Should Buy It
- Small home gyms
- Beginner to intermediate lifters
- Full body circuits
- Apartment workouts
- People who want quick weight changes
- Lifters who need heavier than 25 lbs per hand
- Maximum 25 lbs per hand may be too light for advanced lifters
- Listing does not detail exact weight increments or plate breakdown
Full Specifications
How It Compares
| Feature | LifeOG | Typical option | Higher-tier option |
|---|---|---|---|
| Weight range | 4 to 25 lbs per dumbbell in one unit | 5 to 50 lbs per dumbbell on a typical adjustable pair | Fixed dumbbells from 5 to 25 lbs, multiple pairs |
| Adjustment speed | One second dial per hand | Spinlock collars take 15 to 30 seconds | No adjustment, fixed dumbbells |
| Grip | Textured silicone and rubber | Knurled metal or basic rubber | Vinyl covered fixed grip |
| Safety lock | Dual-lock automatic on lift | Screw collar or twist lock | No lock needed for fixed dumbbells |
| Storage | Included storage box | Separate rack often sold separately | No storage or shelf |
| Materials | Cast iron core with PE shell | Cast iron with chrome or plastic | Vinyl covered cast iron |
Alternatives Worth a Look



This is a space saving adjustable dumbbell pair for home workouts, with fast changes and a safety focused dual-lock design. It is best for beginners to intermediates who want five weight levels without a full rack.
Frequently Asked Questions
How many dumbbells are included?
The set includes two adjustable dumbbells and a storage box.
What weight range does each dumbbell cover?
Each dumbbell adjusts across five settings from 4 to 25 lbs, according to the listing.
Is the weight change safe during use?
The dual-lock system only allows adjustments when the dumbbell is on the base, then locks plates when lifted.
What are the dumbbells made of?
The plates use a cast iron core with a thickened PE exterior, plus an anti-slip silicone and rubber grip.
Does it come with a warranty?
The listing mentions a one year after-sale promise and lifetime service support.
What is the product size?
The listing gives a size of 7.6 x 15.7 inches, though it does not clarify if this is the storage box or total footprint.
This review is based on the manufacturer's stated specifications, the current Amazon product listing and its images, the confirmed materials and design, and our own research into adjustable dumbbells as a product category. Our scores are editorial judgments made against consistent criteria, not laboratory measurements, and we did not carry out destructive or long-term stress testing.
Where the listing did not clearly confirm a detail, such as exact dimensions, weight or certifications, we have deliberately left it out rather than guess. If you are buying, always confirm the current specification and price on the live Amazon listing, since configurations and availability change.