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Review of Jump-N-Carry JNC300XL 900 Peak Amp Ultraportable 12-Volt Jump Starter with Light
4.50 stars Excellent Form 359 Reviews
Reviewed on: June 01, 2013 Author:
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Pros & Cons


  • Jump starts cars, vans and boat right away
  • Nice little and study unit that fits in tool box
  • Full-size clamps to penetrate battery corrosion
  • Jump starts multiple times between charges
  • Works great even in very cold weather
  • Keeps charge for months
  • Has a high intensity work light


  • The unit may not fully charge and retain charge
Review Summary

This is the summary of consumer reviews for Jump-N-Carry JNC300XL 900 Peak Amp Ultraportable 12-Volt Jump Starter with Light. The BoolPool rating for this product is Excellent, with 4.50 stars, and the price range is $65-$120.

Jump-N-Carry JNC300XL 900 Peak Amp Ultraportable 12-Volt Jump Starter is a great combination of power and portability. The JNC300XL packs the punch of 900 Peak Amps of starting power into a unit that weighs just 9 lbs. to start virtually any passenger vehicle. This store-anywhere, use-anywhere unit features Clore PROFORMER battery technology, specifically designed for vehicle jump starting. It also features a high intensity work light to aid in nighttime and other emergency jump starting situations.

For most reviewers this product started their cars, vans and boats right away. This unit comes with full charge and many owners have used it out of the box to jump start their cars. This unit has LEDs that can be used to check battery strength. This is a nice little and light unit that fits in the tool box. The product has jumper that works immediately and is easy to use. Most reviewers are happy that this unit keeps charge for many months and in some cases even jump started 20-30 times between recharges. Owners also reported that this unit works great in very cold weather and jump started car without any problem.

Few owners complained that their unit would not fully charge and was also unable to hold charge for long.

Overall, the JNC300XL Jump-N-Carry is all about power--the power to start what doesn't want to be started. This product is highly recommended by reviewers.


  • 12 Volt Peak Amps: 900
  • 12 Volt Cranking Amps: 225
  • Cable Length: 27"
  • Cable Gauge: #4 AWG
  • Charger Type: Wall Charger
  • Indicator Display: LED
  • Weight: 9 lbs.
User Voice
Jump-N-Carry JNC300XL 900 Peak Amp Ultraportable 12-Volt Jump Starter with Light
Starts cars right away Comes with enough charge to start cars
Review Group #: 1 Rating :
5.00 stars
11 Reviews See Details
Easy way to check battery strength
Review Group #: 2 Rating :
4.50 stars
12 Reviews See Details
Jumper works immediately and is easy to use Fits in the tool box
Review Group #: 3 Rating :
4.50 stars
15 Reviews See Details
Nice little and light unit Keeps charge for many months Jump started 20-30 times between charging
Review Group #: 4 Rating :
4.00 stars
16 Reviews See Details
Starts cars and vans right away Can jumpstart cars many times between recharges
Review Group #: 5 Rating :
5.00 stars
18 Reviews See Details
Charging problem in few cases Keeps charge in most cases
Review Group #: 6 Rating :
4.00 stars
19 Reviews See Details
Might not start some V8 trucks with dead batteries Starts most cars right away
Review Group #: 7 Rating :
4.50 stars
20 Reviews See Details
Cars start in first attempt Multiple jumpstarts between charges Comes fully charged
Review Group #: 8 Rating :
5.00 stars
20 Reviews See Details
Works great in cold weather Nice compact design Looks durable
Review Group #: 9 Rating :
5.00 stars
22 Reviews See Details
Works with boats Battery holds a good charge 3 LEDs indicate full charge
Review Group #: 10 Rating :
4.50 stars
32 Reviews See Details
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Rating : 4.50Excellent
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