SKU: 20378176620

Newmar NS-12-20 StartGuard

Sale price$164.25 Regular price$182.50
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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30

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Description

Newmar NS-12-20 StartGuardNS 12 20 StartGuard The abrupt DC system voltage drop that accompanies engine starting can cause micro processor driven electronics aboard vehicles or vessels to "dump" programmed memory. StartGuard solves these problems by providing supplemental power to sensitive electronics while the engines are cranking. Newmar's NS 12 20 StartGuard supplies backup power for electronics during engine start. Mounting Mount the StartGuard in any convenient location,

NS-12-20 StartGuard

The abrupt DC system voltage drop that accompanies engine starting can cause micro-processor-driven electronics aboard vehicles or vessels to "dump" programmed memory. StartGuard solves these problems by providing supplemental power to sensitive electronics while the engines are cranking. Newmar's NS-12-20 StartGuard supplies backup power for electronics during engine start. 

Mounting

Mount the StartGuard in any convenient location, such as under the dash or console, using the four mounting screws provided or #10 bolts.

Wiring

Input from the power source to the electronics must be routed through the StartGuard.

Specifications:

  • Input Voltage: 13.8-14.8 VDC nominal, 15.5 VDC Max
  • Relay Activation Input Voltage: 7-15 VDC
  • Output: 20 Amps Max
  • Battery: 12 VDC, 4.0 Amp/Hour, Sealed Rechargeable, 3-5 Year Life (Typical)
  • Backup Capacity (Fully Charged): 20 Amps for one minute/18 Amps for 2 minutes
  • Operating Temperature Range: 0-40 degrees Celsius
  • Winter Storage Temperature Range: -20 degrees to +40 degrees Celsius
  • Dimensions: 8.25" x 4.9" x 3.5"
  • Weight: 5.5 lbs
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 20378176620

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4.6 ★★★★★
Based on 6 reviews
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Verified Purchase
duane
New York, US
★★★★★ 5
Nice product wife loves them
Color: Blue/Red, Size: 32 LB
Very nice having a rack 8ncld3d for the dumbbells lt better than wife leaving them on floor for toe bsters
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
M
Verified Purchase
melonie
Alexandria, US
★★★★★ 5
Great weights !!!
Color: Blues, Size: 76 LB
VERY HEAVY box. These are great weights that are not rough on your hands. Putting together the stand was simple and makes the storage simplified.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
M
Verified Purchase
Matt
Houston, US
★★★★★ 5
Simple, Comfortable, and Exactly What You Expect
Style: Rack with 3 Pairs (5, 10, and 15 Pound)
These are pretty much exactly what you want from a set of dumbbells — simple, functional, and no nonsense. The neoprene coating gives them a comfortable grip and keeps them from feeling slick in your hands, especially during longer workouts or if your hands get sweaty. The coating also helps keep them from banging up floors or making as much noise compared to bare metal weights, which is nice if you’re working out at home. Weight accuracy seems fine for general fitness use, and they’ve worked great for things like accessory movements, shoulder work, lighter presses, rehab-style exercises, and general muscle toning. The shape also helps keep them from rolling around everywhere when set down. They’re not fancy, and they’re not trying to be — they’re just dependable dumbbells that do what they’re supposed to do at a fair price. If you want straightforward hand weights for home workouts without overthinking it, these are a solid buy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
C
Verified Purchase
ChaCha
Omaha, US
★★★★★ 5
Reliable, Comfortable Dumbbells I Actually Use Every Day
Style: 12 Pound, Pair, Style: 12 Pound, Pair
I’ve been using the Amazon Basics Neoprene Dumbbell Hand Weights daily, and they’ve honestly been perfect for my routine. Whether I’m doing a quick morning workout or adding resistance to a longer session, these have held up really well. The neoprene coating makes a big difference—it provides a comfortable, non-slip grip, even during longer workouts or when my hands get a little sweaty. They’re also easy to clean and don’t have that strong rubber smell some weights can have. I really appreciate the hex shape too. They stay put when I set them down (no rolling across the floor), which makes switching between exercises quick and frustration-free. The weight feels evenly distributed and well-balanced, so movements feel controlled and smooth. Overall, these are simple, no-frills dumbbells that just work. If you’re looking for reliable hand weights for everyday use—whether you’re a beginner or just need something dependable for home workouts—these are a great choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
R
Verified Purchase
Rayven Z
Pawtucket, US
★★★★★ 5
Great quality and perfect for home workouts!
Style: Rack with 3 Pairs (3, 5, and 8 Pound)
I’m really happy with this dumbbell set. The weights are clearly labeled (3 lb, 5 lb, and 8 lb), which makes it super convenient to switch between exercises. The neoprene coating feels comfortable in hand and provides a good grip, even during longer workouts. The storage stand is a big plus—it keeps everything organized and saves space, which is perfect for a small home gym. The colors are also nice and make it easy to quickly grab the weight you need. Overall, this is a great set for beginners or anyone looking to add light strength training to their routine. Highly recommend!
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Reviewed in the United States on April 13, 2026

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