EcoFlow Alternator Charger Plus 1000
(4 reviews)
Up to 1000 W from the alternator while driving: the DC-DC charger with a dedicated solar port and reverse charging, that never drains the starter battery.
- Alternator charging: 1000 W max, up to 75 A (12V/24V input)
- Starter battery maintenance: 100 W, protects the starter battery
- Reverse charging: Up to 75 A, tops up the starter battery if needed
- Connectivity: Wi-Fi and Bluetooth, EcoFlow app
- Simultaneous alternator + solar charging, up to 1000 W
Detailed overview: EcoFlow Plus 1000W DC-DC charger for leisure batteries
The EcoFlow Alternator Charger Plus 1000 is a DC-DC charger designed to charge a motorhome or van's leisure battery straight from the vehicle's alternator while driving, far more efficiently than a conventional connection. It delivers up to 1000 W, roughly 10 times the speed of a cigarette lighter socket, to top up a large lithium battery on the move.
Its charging mode accepts a 12V or 24V input (11 to 31V) up to 75A, for a 24V to 40-60V output up to 20A and 1000W. A dedicated solar port also lets you plug panels straight into the charger, which frees up the power station's XT60 port to combine alternator and solar charging at the same time, even with the vehicle parked. A maintenance mode keeps the starter battery topped up (100W max), and a reverse-charging mode can, if needed, recharge it from the power station or solar panels, up to 75A, in case of accidental discharge.
The housing includes a 125A fuse and comprehensive protection: reverse polarity, overcurrent, short-circuit, over/under-voltage, over-discharge. It operates from -10 to 45°C and is fully controlled over Wi-Fi and Bluetooth via the EcoFlow app, which shows the active mode and charging data in real time. Compact (276 x 187 x 38mm) and light (1.7 kg), it installs easily near the battery.
Built to work with EcoFlow power stations, particularly the DELTA range, it is a complete solution for anyone who wants to genuinely make the most of drive time to top up their electrical autonomy, without relying solely on mains or solar.
Comparison
How does the EcoFlow Alternator Charger Plus 1000 compare with other DC-DC chargers for motorhomes and vans, for searches like "best alternator charger motorhome"? Here is how it stacks up against two well-known market references: the Renogy DCC50S and the Victron Orion-Tr Smart 12/12-30.
| Criterion | Charger Plus 1000 | Renogy DCC50S | Victron Orion-Tr Smart 12/12-30 |
|---|---|---|---|
| Max power | 1000 W | 500 W | 360 W |
| Dedicated solar input | Yes | Yes (built-in MPPT) | No |
| Reverse charging | Yes, up to 75 A | No | No |
| App control | Wi-Fi and Bluetooth (EcoFlow) | Bluetooth (optional) | Bluetooth (paid add-on) |
| Observed price | ≈ £329 | ≈ £249 | ≈ £220 |
In short, the Plus 1000 stands out for its markedly higher power and its reverse-charging function, unique in this comparison, which can top up the starter battery if needed. The Renogy DCC50S remains a safe bet with its built-in MPPT at a contained price, while the Victron banks on its well-known reliability but with more limited power. For anyone who wants to genuinely maximise charging while driving, the Plus 1000 is today the most complete option.
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Our tester's review: Gilles Caron
The Alternator Charger Plus 1000 genuinely changes the game for anyone who drives a lot in a motorhome or van: no more waiting hours to charge a large leisure battery, up to 1000 W flows straight from the alternator while driving. The real highlight is the dedicated solar port: you can plug in panels in parallel without tying up the station's XT60 port, combining both sources even while parked. Reverse charging is a welcome safety net, able to top up the starter battery from the station if needed, without ever draining it by mistake. Full Wi-Fi and Bluetooth control through the EcoFlow app lets you check the active mode without popping the bonnet. Compact and light (1.7 kg), it installs easily near the battery. Our one reservation: you need a compatible EcoFlow power station to get the full benefit.
Frequently asked questions: EcoFlow Plus 1000W DC-DC charger for leisure batteries
It connects between the starter battery (fed by the alternator) and the vehicle's leisure battery, converting the available current while driving to quickly charge the latter, up to 1000 W here.
Yes, a dedicated solar port lets you combine alternator and solar charging at the same time, without tying up the power station's XT60 port.
No. A maintenance mode protects the starter battery, and the charger includes over-discharge protection. It can even top it up via its reverse-charging mode if needed.
Up to 10 times faster: a cigarette lighter socket tops out at a few dozen watts, versus 1000 W here.
It connects to the starter battery and requires some knowledge of vehicle electrics; professional installation is still recommended for a clean, safe connection.
Published on 23/08/2026