Customer reviews from Wasserstein/Lectron
Lectron - 4000A Portable Car Battery Jump Starter with 60W USB-C Fast Charging, 20000mAh Power Bank and Digital Display
Average customer rating
5
(24 Reviews)
Rating breakdown 24 reviews
5 Stars
24
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
100%of customers recommend this product.
(
24 out of
24)
Customer Reviews for Lectron - 4000A Portable Car Battery Jump Starter with 60W USB-C Fast Charging, 20000mAh Power Bank and Digital Display
Customer Rating
5
Solid, Reliable Emergency Power Roadtrip Must Have
on October 13, 2026
Posted by: EVentureFamily
from NJ
I recently picked up the Lectron Portable Car Jump Starter to keep in my vehicle for road trips and daily driving, and after testing it out, it has quickly earned a permanent spot in my emergency kit.
What I Liked:
Compact & Portable: It’s roughly the size of a standard power bank, making it super easy to stow away in a glove box, door pocket, or under-seat storage.
Smart Safety Features: The heavy-duty booster clamps feel sturdy, and the built-in protection against reverse polarity, short circuits, and overcharging gives great peace of mind if you ever need to jump-start in the dark.
Versatile Power Bank: The added USB ports are a great bonus for topping off phones and electronics, and the integrated LED flashlight (with SOS mode) is essential for night-time emergencies.
Holds a Charge Well: After sitting in the car for a few weeks, the battery indicator barely dropped and was ready to perform.
Things to Keep in Mind:
Like most lithium-ion jump starters, you’ll want to top off the charge every 3–6 months to make sure it’s at 100% when an emergency hits.
Make sure you press the boost button on the control block if the vehicle battery is fully drained.
I would recommend this to a friend!
Written by a customer while visiting Wasserstein/Lectron
Customer Rating
5
Very nice Jump Starter
on September 27, 2026
Posted by: Buddy F
from Marietta GA
Starter works as advertised. Fits neatly in the Frunk of my Ioniq 5.
I would recommend this to a friend!
Written by a customer while visiting Wasserstein/Lectron
Customer Rating
5
Great value and very compact.
on August 21, 2026
Posted by: Our Bronco Life
This portable charger has been great! Not only does it hold multiple charges but my favorite part is how small it is for easy storage. I can bring it on the road with me to all my car events, leave it in trunk or even store it in my side door pockets. Value is great.
I would recommend this to a friend!
Written by a customer while visiting Wasserstein/Lectron
Customer Rating
5
Excellent Performance and Reliable Charging
on August 20, 2026
Posted by: WG SUPRA
from massachussets
I recently had the opportunity to use the Lectron NEXUS Charger, and overall, I’ve been very impressed with it.
The installation was straightforward, and the charger feels solid and well-built. I especially like the NACS connector and the long charging cable, which makes it convenient to use with my vehicle without having to deal with adapters.
Charging performance has been excellent. It delivers fast and consistent Level 2 charging, and I really appreciate how simple the overall experience is. There’s no unnecessary complexity—just plug in and charge.
The build quality also gives me confidence that it’s designed for long-term use, including outdoor installation. The cable is flexible enough to handle easily, and the charger has a clean, modern appearance.
I would recommend this to a friend!
Written by a customer while visiting Wasserstein/Lectron
Customer Rating
5
Excellent quality!
on August 19, 2026
Posted by: Kevin89
from Florahome, FL
[This review was collected as part of a promotion.] I’m really impressed with this jump starter. The 4,000A output gives me a lot of confidence that it can handle a wide range of vehicles, and I really like having the digital display so I can see the battery level at a glance. It’s also a great bonus that it doubles as a 20,000mAh power bank and has a built-in emergency light. The case and included accessories make it easy to keep everything together in the vehicle. Definitely a great piece of emergency equipment to have on hand.
I would recommend this to a friend!
Written by a customer while visiting Wasserstein/Lectron
Customer Rating
5
Great to Have for Peace of Mind
on August 18, 2026
Posted by: Everythingmandan
from New Jersey, NJ
The jump starter feels well-built, compact, and easy to keep in the car. Setup was straightforward and the instructions were easy to follow. I thankfully haven’t had another dead battery since getting it, so I haven’t needed to use it in a real roadside emergency yet, but I like having it with me for peace of mind. It’s definitely something I’d rather have in the car and not need than need and not have.
I would recommend this to a friend!
Written by a customer while visiting Wasserstein/Lectron
Customer Rating
5
Makes life easy
on August 14, 2026
Posted by: Rural Montana Family
from Rural Montana
[This review was collected as part of a promotion.] I tested this jump starter thoroughly. I used to start my Cummins diesel truck, Yamaha side by side, ride on lawn tractor and more. It did it all. Fun fact this jump starter is designed for ICE vehicles but you can also use it on electric vehicles with dead low voltage battery. Works great for us in rural Montana where we have many different vehicles but some are only used once in a while and need a little jump. This jump starter is perfect for that since it does them all.
I would recommend this to a friend!
Written by a customer while visiting Wasserstein/Lectron
Customer Rating
5
Best one I have used
on August 5, 2026
Posted by: Matt
from Farmington
I have had a few of these chargers and this one is by far the most versatile and easiest to use I also like how has the big power Bank to be able to charge my laptop
I would recommend this to a friend!
Written by a customer while visiting Wasserstein/Lectron