What is Reddit's opinion of Goal Zero Yeti 1250 Portable Power Station with Roll Cart, 1200Wh Chainable Home Battery Backup Generator Alternative with 12V, AC, USB and Anderson Power Pole Outputs?

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Have to be honest, this looks like a "order from us, we'll tack on 10% and drop ship it from amazon" site. It's one of the first things I check when I see new "prepper" business adverts.

Specifically the prices from the solar products are exactly $100 more than amazon (even the "on sale" items).
Preppers best: Goal Zero Yeti 1250 Solar Generator

Amazon

I only spot checked a few of the food prices but they all seem identical as well.

Do you have any relationship with the vendors of the products you sell (wholesale to retail) or just a retail to retail aggregate?

The typical value proposition of these large-capacity portable battery banks revolve around the "I hate dealing with gasoline/natural gas canisters, engine oil (required to run most gas generators, which are frequently sold without any), noise (gas generators are not quiet by design), and weight (DAE LIFT WEIGHTS!?!??!?)".

Having that said, I recognize the "leading lead acid competitor": it's the Goal Zero Yeti 1250, and having been on the market for quite some time, its performance characteristics are well-known. While browsing Amazon though I came across this non-SLA "gas generator". Notice the front panel with the 12V and USB outlets? That's a carbon copy of what was demoed on the Grengine, the difference is that the AC inverter outlets are on the side instead of being situated left of the panel.

*looks further down* Oh shit... Grengine Ultra Lite is a literal clone of what I just linked! This is an Alibaba resell! Then again, this is IGG, where reselling existing products is always a thing. Also the pricing for their Ultra Lite is $599 plus shipping. Er guys? These are already being sold on Amazon for just 400 bucks shipped!

Another thing about these battery-based "generators" is the user needs to get their feet dirty in solar panels and the like in order to get the most out of these heavy power banks. In other words, this isn't a battery pack, it's a long-term commitment into off-grid power and that $1450 price (for the full-size unit) is just a down-payment!

In a power blackout situation, I'd much rather have a gas generator instead.

> I want to find .... a charging/tending circuit

Here: 12 V AGM battery charger

> charge it from 120v line power

That's what a charger does!

> able to charge it from ... a car's cigarette lighter

Here: 12 V AGM battery charger from cigarette lighter

Or, better yet, why don't you just buy a ready made unit?

This is the closest you will get.

Goal Zero 31901 Yeti 1250 Silver/Black XX-Large Solar Generator https://www.amazon.com/dp/B007Q23YC6/ref=cm_sw_r_cp_api_9nBXxbGVWAVD6

You are honestly better off rolling your own. For example, you would likely need one of these for 1-2 hours of usage.

You could roll you own for much, much cheaper. I'll go hunt down an instructable for you.

Edit: Like this.