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frontpageSickerDealer posted Jan 15, 2026 09:20 AM
frontpageSickerDealer posted Jan 15, 2026 09:20 AM

(Refurbished) 800W EcoFlow Car Alternator Charger

+ Free Shipping

$189

$599

68% off
eBay
29 Comments 10,788 Views
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EcoFlow Official Store via eBay has (Refurbished) 800W EcoFlow Car Alternator Charger for $236.25 - $47.25 w/ promo code FAVEFINDS20 = $189. Shipping is free.

Thanks to Community Member SickerDealer for finding this deal.

Features:
  • The 800W Alternator Charger tops up a portable power station by 1kWh on an 75 minutes drive. Charge with excess alternator energy so you can power your essential appliances, such as phones, coffee makers and lights when you're on the go.(Note: Alternator capacity varies by vehicle - please verify with your manualternator's output supports the alternator charger's maximum power draw for safe operation.)
  • Three integrated features that charge your portable power station, keep your vehicle battery in peak condition and acts as a jump starter when you need it most.
  • By using GaN technology the DC-DC Charger converts more electricity without any risk of overheating even when charging at high speeds. The charger protects your vehicle against reverse polarity, overcurrent, short circuit, over and under voltage. Includes a 2-year service.
  • Transform your overlanding and vanlife experience with our plug-and-play portable power station. Perfect for supplementing your 12V RV house battery, and extending your runtime. It's not just for use in your van, our compact and lightweight power stations can be taken off-grid and used to power the outdoors.
  • Easily view your vehicle's energy usage in real-time, including power consumption and charging status, anywhere. Monitor and manage your entire vehicle, from temperature to appliance power.

Editor's Notes

Written by powerfuldoppler | Staff
  • About this deal:
    • Our research indicates that this offer is $45.12 lower (19% savings) than the next best available price for a new unit from a reputable merchant with prices starting from $234.12

Original Post

Written by SickerDealer
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
EcoFlow Official Store via eBay has (Refurbished) 800W EcoFlow Car Alternator Charger for $236.25 - $47.25 w/ promo code FAVEFINDS20 = $189. Shipping is free.

Thanks to Community Member SickerDealer for finding this deal.

Features:
  • The 800W Alternator Charger tops up a portable power station by 1kWh on an 75 minutes drive. Charge with excess alternator energy so you can power your essential appliances, such as phones, coffee makers and lights when you're on the go.(Note: Alternator capacity varies by vehicle - please verify with your manualternator's output supports the alternator charger's maximum power draw for safe operation.)
  • Three integrated features that charge your portable power station, keep your vehicle battery in peak condition and acts as a jump starter when you need it most.
  • By using GaN technology the DC-DC Charger converts more electricity without any risk of overheating even when charging at high speeds. The charger protects your vehicle against reverse polarity, overcurrent, short circuit, over and under voltage. Includes a 2-year service.
  • Transform your overlanding and vanlife experience with our plug-and-play portable power station. Perfect for supplementing your 12V RV house battery, and extending your runtime. It's not just for use in your van, our compact and lightweight power stations can be taken off-grid and used to power the outdoors.
  • Easily view your vehicle's energy usage in real-time, including power consumption and charging status, anywhere. Monitor and manage your entire vehicle, from temperature to appliance power.

Editor's Notes

Written by powerfuldoppler | Staff
  • About this deal:
    • Our research indicates that this offer is $45.12 lower (19% savings) than the next best available price for a new unit from a reputable merchant with prices starting from $234.12

Original Post

Written by SickerDealer

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29 Comments

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Jan 15, 2026 04:58 PM
459 Posts
Joined Oct 2004
blueman2Jan 15, 2026 04:58 PM
459 Posts
OK, this is a niche product, but pretty damn cool idea. Looks like something I would brew up in my garage. Cannot believe someone thinks there is a market big enough to actually produce and sell these!
1
Jan 15, 2026 05:04 PM
473 Posts
Joined Oct 2007
ez1Jan 15, 2026 05:04 PM
473 Posts
Someone needs to sell a stationary bike kit that turns an alternator and recharges the battery using this. It's a win-win, at least that's what I'll tell my spouse.
1
Jan 15, 2026 05:12 PM
62 Posts
Joined Dec 2010
jasonhsuJan 15, 2026 05:12 PM
62 Posts
Quote from blueman2 :
OK, this is a niche product, but pretty damn cool idea. Looks like something I would brew up in my garage. Cannot believe someone thinks there is a market big enough to actually produce and sell these!
You would be surprised. Overlanding / camping and running the portable fridges off of the power banks is pretty popular and the overlap between people with large power banks + camping seems pretty high.
Jan 15, 2026 05:13 PM
46 Posts
Joined Feb 2007
chadwickedJan 15, 2026 05:13 PM
46 Posts
I haven't used mine in the car yet, but I've used it to expand my Delta 2 capacity with a 2kwh LiFePO4 battery. Good for power outages and camping (electric griddle, water boiler, electric blanket)
1
Jan 15, 2026 05:29 PM
316 Posts
Joined Oct 2021
BlackBabyJeebusJan 15, 2026 05:29 PM
316 Posts

Our community has rated this post as helpful. If you agree, why not thank BlackBabyJeebus

Quote from ez1 :
Someone needs to sell a stationary bike kit that turns an alternator and recharges the battery using this. It's a win-win, at least that's what I'll tell my spouse.
An average adult using a stationary bile with a generator/alternator setup would generate about two cents of electricity per hour. If such a thing cost $200, it would take a person who rode their stationary bike for an hour every day over 27 years to make back the cost of the alternator.

Generating electricity with human power is kind of like putting solar panels on an electric car - it's essentially pointless and will always cost more to implement than the value of what it generates.
1
2
Jan 15, 2026 06:11 PM
537 Posts
Joined Feb 2014
rhlolJan 15, 2026 06:11 PM
537 Posts
If you are thinking this is a PnP, it is not. But if you are thinking about buying one, you probably already know that.

For the noobs, all these types of converters require wiring heavy gauge wire(s) from the battery or a fuse/relay box back to where this device is installed in your camper and another from there to your storage battery, if they are to work at full capacity. These will NOT work properly if just connected to a trailer light wiring harness. Do a lot of research or talk to an installer before jumping into this.
1
Jan 15, 2026 06:29 PM
69 Posts
Joined Apr 2018
fanaticshopperJan 15, 2026 06:29 PM
69 Posts
Quote from blueman2 :
OK, this is a niche product, but pretty damn cool idea. Looks like something I would brew up in my garage. Cannot believe someone thinks there is a market big enough to actually produce and sell these!
you will be surprised how much building a proper one like this will cost.

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Jan 15, 2026 06:58 PM
41 Posts
Joined Nov 2016
bbgator1Jan 15, 2026 06:58 PM
41 Posts
Quote from jasonhsu :
You would be surprised. Overlanding / camping and running the portable fridges off of the power banks is pretty popular and the overlap between people with large power banks + camping seems pretty high.
I agree niche product. Many people overland/camp. Most do it on the weekends where a Power bank is large enough. I'm thinking this is more for the hard core live in the van types. I wonder how many there really are. I see a lot on Social media, but I doubt there are that many outside of "influencers". Most of us are lame and have a full time job. I can charge at home or campground for my few trips a year. This requires a few hours to install the heavy wire. I'd only do this if I did multi-week trips every year...but damn job gets in the way of fun.
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This user is an Expert in Home & Home Improvement
Jan 15, 2026 07:11 PM
18,187 Posts
Joined Jun 2012
jeff34270
Expert
This user is an Expert in Home & Home Improvement
Jan 15, 2026 07:11 PM
18,187 Posts
Quote from ez1 :
Someone needs to sell a stationary bike kit that turns an alternator and recharges the battery using this. It's a win-win, at least that's what I'll tell my spouse.
I might be a little off, but I'd guess that would produce around 100 watts for a typical individual. That would mean 10 hours of pedaling to fully charge a relatively small 1kwh power station.

Charging one of those power stations from a vehicle's cigarette lighter plug also charges at around 100 watts, thus the need for a device like this that gets hard wired for a much quicker charge.
Jan 15, 2026 07:57 PM
71 Posts
Joined Aug 2011
rajakaaliJan 15, 2026 07:57 PM
71 Posts
Quote from rhlol :
If you are thinking this is a PnP, it is not. But if you are thinking about buying one, you probably already know that. For the noobs, all these types of converters require wiring heavy gauge wire(s) from the battery or a fuse/relay box back to where this device is installed in your camper and another from there to your storage battery, if they are to work at full capacity. These will NOT work properly if just connected to a trailer light wiring harness. Do a lot of research or talk to an installer before jumping into this.
The kit comes with all the wiring and fuse needed to install. Fuse is integrated in the wiring. It's pretty much a plug and play. Just need to figure out how you are going to run the wire from the battery to, in most cases, the trunk where you keep your EcoFlow generator. It's a great product if you are already invested in a EcoFlow battery generator. They going to release a newer version that has solar input also so it can efficiently manage power from alternator and solar panel
Jan 15, 2026 08:03 PM
453 Posts
Joined Mar 2019
RogueVariableJan 15, 2026 08:03 PM
453 Posts
Quote from ez1 :
Someone needs to sell a stationary bike kit that turns an alternator and recharges the battery using this. It's a win-win, at least that's what I'll tell my spouse.
So what you are proposing is... The Gilligan Gambit?
1
Jan 15, 2026 11:04 PM
100 Posts
Joined Jun 2025
informed-consumerJan 15, 2026 11:04 PM
100 Posts
Quote from ez1 :
Someone needs to sell a stationary bike kit that turns an alternator and recharges the battery using this. It's a win-win, at least that's what I'll tell my spouse.
ever seen soylent green? edward g robinson and charleton heston had one in their apartment
Jan 16, 2026 02:00 AM
975 Posts
Joined Nov 2010
chung_changJan 16, 2026 02:00 AM
975 Posts
Bought this with Ecoflow battery generator to power our house from our old hybrid car in case of power outages. Already put in use a few times and worked flawlessly outputting constant 800w from the car to keep the battery generator topped off. Our house critical loads include whole house gas furnace for winter or one window a/c unit for summer, fridge, internet. few lights and 110v outlets in the kitchen for cooking. Full tank of gas lasts us few days of critical load power. Constant 800w has no issue keeping up with our power usages with usage spikes being handled by the battery generator. This is much easier than using a portable gas generator and idling car is much quieter.
Jan 16, 2026 02:09 AM
675 Posts
Joined Sep 2007
LomicJan 16, 2026 02:09 AM
675 Posts
Most normal cars don't have an alternator which can feed 800w, in addition to their normal load running the car, without significantly reducing their lifespan. However, you can configure this unit to run at lower wattage, and around 500w should be fine. Most cars also won't like being idled for hours, so I wouldn't plan to use this as a replacement for a generator, say during an extended power outage.

As someone mentioned up-thread, one interesting use for this is buying cheap LFP batteries like from Ecoworthy, and connecting them to this in order to feed power into an Ecoflow power station via the extra battery port. Much more economical than buying extra Ecoflow batteries. When you have power back on, you can even change the direction of charge to recharge a basic LFP battery through your power station.

This is really only needed if you want to be able to feed a lot of power into your power station. If you don't need over 400w from external batteries, the cheaper solution is just to hook 1 or 2 LFP batteries to your power station's solar XT60i ports. Each LFP battery will feed ~190w into a power station over an XT60i cable.

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Jan 16, 2026 01:41 PM
1,318 Posts
Joined May 2013
TechManDadJan 16, 2026 01:41 PM
1,318 Posts
Quote from chung_chang :
Bought this with Ecoflow battery generator to power our house from our old hybrid car in case of power outages. Already put in use a few times and worked flawlessly outputting constant 800w from the car to keep the battery generator topped off. Our house critical loads include whole house gas furnace for winter or one window a/c unit for summer, fridge, internet. few lights and 110v outlets in the kitchen for cooking. Full tank of gas lasts us few days of critical load power. Constant 800w has no issue keeping up with our power usages with usage spikes being handled by the battery generator. This is much easier than using a portable gas generator and idling car is much quieter.
When the power goes out do you simply run a bunch of extension cords to your battery or do you have dedicated circuitry?

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