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I've been given quite a few of the old AGM/SLA jump starter packs that contain a battery surrounded by lots of plastic with mainly flashy things and maybe a miniature air compressor. Way back gee whiz factor. The short jumper cables, 100-200 amp on/off switch, and a few other scavenged parts...

Idiot lights (oil pressure switch) on your model small block Ford turned on (closed) at about 5 psi from past experience. Low idle pressure from excessive crank bearings wear often caused a noise that disappeared as soon as oil pressure rose. Long ago, I've driven many miles even after the...

I started with a used Renogy 100 watt suitcase panel for a camper trailer and moved the controller next to the batteries on the tongue. The controller is housed in a plastic, hinged binoculars case. MC4 connectors do not have access for voltmeter test leads while connected. Anderson...

I've seen nothing about measuring amperage. Volts and Watts get all the attention. Current flow/amps tell the truth. Volts should get a glance. Amps should be stared at. Nothing is really known about charging without an amp reading.

This youtube video goes back to the thread title and the original post. It provides a good study for just buying and installing a high-output alternator in a vehicle without any other changes as to wiring or reasons for use with the existing system, especially in the case for lithiums vs. other...

It appears your batteries have removable caps for inspection. Specific gravity testers have been used for many years to determine state of charge.

What everyone else said about trying to determine loads. After all the math, usage will let you know the truth. I bought that Eco Worthy battery in September on a lark for a first foray into lithium, to take some load off of a four year old 100ah AGM. I continuously monitor charge and...

I apply a dab of electrically conducting anti-oxidizing grease to the connector to help slide the connector past the overlapped snapping point...

Note the comment about heating coffee..

I use a Camco 120vac 1000 watt heating element with an attached power cord occasionally, immersed in water-filled plastic containers. Don't do this. Use at your own risk. Danger of electrocution. Always in water before powering up. Different wattages available at 120vac. Used in many RVs...

Two ten feet long homemade test leads, made from very small telephone wire, allow you to test dc volts from source to load anywhere along the path. MC4 connectors get replaced with Andersons as they can be easily probed as seen above, while connected, and MC4s are difficult. A perfect circuit...

I borrowed three Coleman propane stoves that all failed the low flame test. A vintage Sears Hillary propane two-burner passed with flying colors, and was thinner than the coleman. Eventually, a 425 pump-up white gas Coleman, along with a Stansport green bottle propane adapter for two fuel...

One nice to have feature is amps display to monitor charge current. The blue-faced spare I have does not. I have ordered low-cost Renogy and HQST brands that do. Knowing typical charging amps, especially in full sun, discharged battery conditions can alert you to possible wiring/connection...

I'm ignorant. Do any of the refrigerators have a time delay in the low voltage shutdown feature to prevent shutting down due to starting current inrush and wiring resistance voltage drops?

They remind me of the plastic jump start monstrosities with an AGM inside, introduced decades ago, still available, that now litter the landscape. Included a cord for AC charging, lamp, flashing lights, dinky air compressor, battery current on/off switch, stubby cables with clamps and things...

+1 on translucent goo. Found out it also serves as a daylight indicator when dark inside.

I'm not worried and stated the alternator system works just fine for my measured charging needs for over three years and will continue. I like it, also in conjunction with solar. My worrisome blather was related to the 100+ amps some posters claim can be had from their stock alternator systems...

Thanks Verkstad. I hadn't thought of that. I can't even hear the fridge's low voltage alarm/shutdown squeal without a hearing aid. The thought that a typical factory-supplied alternator is a huge bulk charging device that can be utilized with some big wire and a 200 amp solenoid, then simply...

The 50 dollar dual-battery thread is golden, and great for simple auxiliary battery charging, but It pays to know what you have to begin with. Either you have a charging system with a high enough voltage or you don’t. If you don’t, either boost the alternator’s charging voltage somehow or use...

Does that mean once you were stuck with it, you weren't stuck with it?