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🔌 Power up smarter, stay charged longer — never miss a beat on the road or sea!
The VEVOR 12V 40A DC to DC Battery Charger delivers 500W of versatile, multi-stage charging power compatible with lead-acid and lithium batteries. Designed for RVs, commercial vehicles, boats, and yachts, it features advanced safety protections and a compact, easy-to-install aluminum chassis. Its lithium battery activation revives deeply discharged batteries, ensuring reliable power anytime.
| ASIN | B0F5WR29T9 |
| Amperage | 40 Amps |
| Best Sellers Rank | #72,474 in Automotive ( See Top 100 in Automotive ) #333 in Battery Chargers |
| Brand | VEVOR |
| Customer Reviews | 3.7 3.7 out of 5 stars (50) |
| Date First Available | April 22, 2025 |
| Item Weight | 3.42 pounds |
| Item model number | Chargeur de Batterie CC à CC 500 W |
| Manufacturer | VEVOR |
| Manufacturer Part Number | Chargeur de Batterie CC à CC 500 W |
| Product Dimensions | 8.07 x 5.7 x 3.3 inches |
M**C
Great
What's not to love? Alternator charging my lithiums from my outboard motor...keeps them topped off. Well-made and easy to use.
T**R
Well built.
Very nice and safe. Comes with internal 20A fuses to prevent damage.
A**R
Useless
0 stars. Charge current never exceeded 8 amps, LC activated only output 4 amps. Useless charger.
D**.
Works great
Easy install, seems to do the job well. Made for a much easier trip when facing long travel days that otherwise would be draining the camper house battery bank.
P**.
A must have for charging lithium deep cycle battery.
Keeps lithium deep cycle battery from overheating vehicle alternator.
A**R
Narrow and small terminals now easy to connect
Prods - built strong, works good also Cons - terminals for power cables too small - impossible to use standard cable terminals. Need to grind every terminal from both sides to fit then in narrow spaces. Moreover power connections should be rotated on 90 degrees because it’s difficult to connect to power terminals. Would return products and newer buy VEVOR dc to dc because it’s has terrible power terminals. I love VEVOR products, but this charger must be modified. Attached photos of example good terminals other dc charger.
B**V
Good
Good
F**O
Works well.
Why did you pick this product vs others?: WORKS great in my dump trailer. Needs to be tweaked as per instructions. Charges battery fast in between dumps.
F**L
Fonctionne parfaitement et charge nickel juste sue l'installation sur la notice est mal indiquée
M**.
Super Gerät 👍
A**A
Prodotto molto buono un po piccoli gli attacchi dei cavi batteria
D**H
It is not bad, It charges in the first stage rate "Bulk Charge" up to a point and then stops. It does not go into second stage charging "Absorption Charge" to complete the charging to 100%. The connection points are not rated for 40 amps or #6 AWG Wire. It would be nice if the D+ connection point was built for a spade wire connector. I wish some of the other manufacturer's built their DC to DC chargers this sturdy.
G**W
After turning of engine the units internal relay will not unlatch both batteries the starter and the house stay connected even when you remove the ignition wire right on the unit. So be ready for a dead starter battery!
Trustpilot
1 week ago
2 months ago