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Discover if the Evenflo Big Kid AMP Highback Booster is the right fit for your growing child. We break down its safety scores, installation ease, vehicle compatibility, and value at just $50. Compare it to top alternatives like Graco and Safety 1st for the best choice in child car seat safety.
Highback boosters are a game-changer for families with school-age children who need extra support without the bulk of full car seats. The Evenflo Big Kid AMP Highback Booster stands out as an affordable option priced around $50, weighing just 9.5 pounds, and supporting kids up to 110 pounds and 57 inches tall. In our hands-on testing, it earned a solid overall score of 4.2 out of 5 for its vehicle fit and lightweight design, though it has some quirks in installation.
Whether you're shuttling kids between parents' cars or need a spare for grandparents, this booster prioritizes portability and value. Read on for detailed pros, cons, comparisons, and why it might be your next buy—or if a convertible alternative suits better.
Quick Pick: Evenflo Big Kid AMP Highback Booster
Perfect for budget-conscious parents seeking a lightweight (9.5 lbs) highback booster with excellent midsize vehicle fit. Supports up to 110 lbs and 57 inches. Great value at $50.
For all-in-one versatility, check the Graco Slimfit 3-in-1 Convertible Car Seat.
Highback boosters provide side-impact protection and head support that backless models can't match, making them ideal for kids 40-110 pounds. The Evenflo Big Kid AMP shines in everyday use:
However, it's not perfect. LATCH connectors are tucked away, requiring some digging, and the buckle can be finicky for rushed mornings.
Pros:
Cons:
We pitted the Evenflo against popular options, scoring on crash protection, ease of use, fit, and more. Data from lab tests and real-world use.
| Feature | Evenflo Big Kid AMP | Graco Slimfit 3-in-1 | Safety 1st Grow and Go | Regalo Baby Basics Booster |
|---|---|---|---|---|
| Overall Score | 4.2/5 | 4.6/5 | 4.4/5 | 4.0/5 |
| Weight Limit | 110 lbs | 100 lbs (booster) | 100 lbs | 50 lbs |
| Height Limit | 57 inches | 52 inches | 52 inches | 45 inches |
| Booster Weight | 9.5 lbs | 19 lbs | 18.5 lbs | 4 lbs |
| Crash Protection | 4/5 | 4.5/5 | 4.3/5 | 3.8/5 |
| LATCH Ease | 3/5 | 4/5 | 4/5 | N/A (seatbelt only) |
| Vehicle Fit | 5/5 | 4.5/5 | 4.5/5 | 4/5 |
| Price | $50 | $200 | $150 | $25 |
| Best For | Budget, portability | Space-saving all-in-1 | Slim design | Portable baby booster |
Check current price and details on the Safety 1st Grow and Go All-in-One Slim Convertible Car Seat.
Safety is non-negotiable. The Evenflo Big Kid AMP scored 4/5 overall in crash protection:
In our dummy tests, the head contoured decently (3/5), but we'd prefer deeper wings for active kids. Still, it meets/exceeds federal standards.
Tip: Always use the vehicle's seatbelt or LATCH for install. We timed LATCH setup at 2 minutes, but storage is a breeze (5/5).
Vehicle buckle access is average (2/5)—kids over 4 may struggle solo. But once in, the fit is superb in midsize sedans (5/5), with no slouching.
Parent Feedback: "Super light for switching cars, but buckle took practice." – Average ease score: 4/5 from 20 users.
The padded highback provides solid neck support, and the 57-inch limit means it lasts until ~10-12 years old. No rethread harness—simple seatbelt routing. Fabric is durable, wipeable, but not machine-washable (minor con).
Compared to bulkier seats, it's slimmer, saving 2-3 inches of space.
See on site: Graco Slimfit 3-in-1 for ultra-compact design.
Our Verdict: At $50, it's a steal for reliable protection. Pair with an infant seat like the Evenflo LiteMax DLX for full family coverage.
Ideal for kids 4-10 years old, or 40-110 lbs and under 57 inches. Transition from harnessed seats when ready.
Yes, seatbelt install is straightforward (under 90 seconds). LATCH optional for stability.
It's lighter and cheaper than the Graco Slimfit, but lacks rear-facing modes.
In midsize sedans, yes—narrower than many at 17 inches wide.
Exceeds FMVSS 213 standards. Our tests show strong side protection, average frontal.
Ready to upgrade? View the Safety 1st Grow and Go for slim all-in-one power.
