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⚡ Power up your adventure with smart, fast, and fearless charging!
The Renogy REGO 12V 40A DC-DC Battery Charger is a robust, alternator-powered charger designed for RVs, boats, and vans with auxiliary batteries. It features a 4-stage smart charging algorithm compatible with AGM, GEL, and Lithium batteries, built-in alternator detection to protect starter batteries, and a corrosion-resistant compact wall-mount design. Optional Bluetooth monitoring via the BT-2 module enables real-time charging control and data logging, making it an essential upgrade for off-grid and mobile power management.
| ASIN | B0FBGF7TYH |
| Amperage | 40 A |
| Best Sellers Rank | #85,410 in Automotive ( See Top 100 in Automotive ) #385 in Battery Chargers |
| Brand | RENOGY REGO |
| Color | Black |
| Compatible Devices | AGM, GEL, Lithium, Remote Monitoring Devices (RJ485, Bluetooth) |
| Connector Type Used on Cable | RJ485, Bluetooth (BT-2) |
| Current Rating | 40 A |
| Customer Reviews | 3.6 out of 5 stars 14 Reviews |
| Input Voltage | 16 volts |
| Item Dimensions D x W x H | 2.3"D x 9.31"W x 5.17"H |
| Manufacturer | RENOGY Rego |
| Mfr Part Number | RBC40D1U |
| Model Number | 40A Fast Charge |
| Number of Items | 1 |
| Output Voltage | 12 volts_of_direct_current |
| Product Dimensions | 2.3"D x 9.31"W x 5.17"H |
| Specification Met | UL |
| Unit Count | 1 Count |
| Warranty Description | 2-year material and workmanship warranty |
M**E
Game changer
Game changer. I have two 100amp batteries that I thought I was getting a good charge and management out of what I had. I learned quickly that this is a necessity.
A**T
Worked only once
It worked one time. Shows it’s connected but doesn’t charger aux batteries.
T**A
Good
Does it’s job
J**R
Package missing important wire
Can I give it zero stars? Let me give this Renogy DC - DC Battery Charger zero stars, please. I wasted plenty of money on this charger, which was stated to include IGN Signal Wire, but which did NOT include the wire and I absolutely need it for my smart alternator. I didn't have a chance to work on install until after the product return window was closed so I didn't realize I had gotten a raw deal until too late, and I have no recourse. I have searched for aftermarket or accessory IGN wires but they don't seem to exist, even from Renogy. Due to the package NOT containing all of the items it was supposed to, this product is 100% unusable and a total financial loss.
F**Y
Didn't last.
Didn't work for me lasted about 33days just pass the return window.
Trustpilot
2 weeks ago
2 days ago