@KM4ACK
— · 74 videos curated
Off-grid ham radio, digital modes, Raspberry Pi field setups.
24 videos in Energy
VTOMAN Flashspeed 300 Power Station
Overview of the VTOMAN Flashspeed 300 portable power station for emergency backup and off-grid power needs.
Does Your Solar Setup Need A Charge Controller
Learn what charge controllers do, why they matter for battery longevity, and when you actually need one in a solar power system.
Off Grid Solar Charging
Overview of solar charging equipment and methods for off-grid power generation and battery management.
This Power Bank Has a Secret
Real-world test of a compact 27000mAh power bank with built-in 110V AC inverter for running household devices off battery.
Amazon Big Deal Prime Days
Survey of radios, test equipment, power banks, tools, and lights suitable for amateur radio and emergency preparedness.
The Solar Adapter Every Go Bag Needs
Test and learn how a direct solar-to-USB-C adapter simplifies emergency power without batteries or charge controllers.
I Added Solar to My Truck's Power System, Here's the Zoupw 450W Panel I Chose
Evaluate a 450W portable solar panel for vehicle-based off-grid power, covering efficiency specs and deployment strategy.
I Almost Set Myself Up To Fail
Real-world test of a 350Wh portable power station charging three devices simultaneously over 30 days using solar panels and variable weather.
Building the Ultimate Truck Power System, Part 1: The Battery
Deep dive into selecting and sizing a 460Ah LiFePO4 battery as the foundation of a mobile off-grid power system.
No Shore Power, No Generator, Still Cold Air
Install and evaluate a 12V rooftop air conditioner on an off-grid emergency communications trailer for sustained operator comfort.
Stop Wiring Solar Panels Wrong
Learn how to safely connect solar panels by understanding voltage, current, polarity, and proper charge controller integration before assembly.
I Ditched My Wall Charger - Zoupw 110W
Real-world 30-day test of whether a 110W bifacial solar panel and battery bank can sustain daily smartphone charging without grid power.
Solar Node Solved My RV Meshcore Problem - Elecrow M6 Solar Repeater
Field test of a compact solar-powered Meshtastic node for reliable off-grid mesh coverage in RV and remote camping conditions.
I Tested Every Feature On The Setpower DT45 So You Do Not Have To
Real-world performance testing of a dual-zone 12V refrigerator-freezer for off-grid and mobile use, with power-draw data.
Are the Specs Lying?
Real-world solar charging test reveals the gap between manufacturer specs and actual power delivery into a portable power station.
This 25 Lb Battery Ran My Fridge For How Long?
Real-world runtime testing of a 1024Wh portable power station running refrigerators, freezers, and simultaneous appliances during outages.
My Complete RV Ham Radio Setup Explained
Walk through a fully mobile ham radio station: power generation, HF/VHF radios, APRS, and real-world mesh networking tests from an RV.
BougeRV T1 & CL03 Camping Lantern
Review and comparison of two battery-powered camping lanterns for emergency lighting and off-grid use.
I Powered a 20W HF Radio With What!
Learn to measure actual power draw and battery runtime of portable ham radios using an inexpensive USB tester.
Serious Prime Day Deals
Curated Amazon deals on flashlights, radios, mesh networking nodes, power banks, and test equipment for preppers.
The USB C Trick That Powers My Radio
Build a self-sustaining field radio setup using a power station, solar panel, and USB C trigger cable for portable communications.
$2500 Bought Us Insane Coverage
Install a mountain-top LoRa mesh repeater for $2500 to extend off-grid communication range across a region.
The Comment Section Was Right
Step-by-step walkthrough of flashing a Seeed Solar node with MeshR firmware, configuring repeater settings, and troubleshooting initial deployment.
Still Using Stock HT Batteries? Watch This First
Kevin W0AEZ demonstrates his extended-capacity HT battery packs with USB-C fast charging, user-serviceable design, and ASA construction for thermal durability.