Home made 5.5KW load tester: The mother of all oven

Review & teardown: Ardroit AD1250 14.6V 50A LiFePO4 charger for 12V batteries

Eco Worthy 60A MPPT Solar Charge controller for LiFePO4, Lead Acid, & Li-ion

Review & teardown: Kaiweets HT208D AC/DC clamp meter multimeter

Review & teardown: Eco Worthy 51.2V 100Ah LiFePO4 Server Rack battery

Review & teardown: Enjoybot 48v 65Ah LiFePO4 battery w/ bluetooth & self heating

Review & Teardown: Redodo 12.8V 140Ah LiFePO4 battery w/ bluetooth

Review & teardown: CyclenBatt Ultra-mini 12.8V 100Ah LiFePO4 battery

Review & Teardown: Vatrer 12.8V 300Ah LiFePO4 battery

Review & tear down: PowerUrus 12.8V LiFePO4 battery

Review & teardown: Eco Worthy 12.8V 100Ah LiFePO4 battery w/ Bluetooth LTCP

Review & Teardown: Li-Time 12.8V LiFePO4 mini battery w/ Bluetooth

Review: Windone K2 48V Electric bike

Install $12 lawn mower battery on a car: Surprise, surprise!

Review: BougeRV Yuma100 Thin Film flexible rollable 100W solar panel

Review & Teardown: Power Queen 12.8V 100Ah LiFePO4 battery Low Temp Trolling motor

Eco Worthy Single Axis solar tracker: review & camper van installation. How much power can you get?

Review & Teardown: Redodo 12.8V LiFePO4 100Ah battery w/ Bluetooth

Place your bet! Kobalt 80V 2.5Ah vs. 2x 40V 5Ah in series on a 72V Electric Scooter

DIY: Make an XT60 connector from EVA foam for a Kobalt 40V power tool battery

Review: Allpowers R1500 LiFePO4 1800W power station

Review & Teardown: SunGoldPower 12.8V 100Ah LiFePO4 Battery

Review & full test: Allpowers 200W flexible monocrystalline solar panel on an electric bike

Review & teardown: PowMr boost 10A solar charge controller for Electric Bike

DIY: Make a solar powered E-bike by mounting 2 solar panels on the rear rack

DIY: Portable battery powered blender repair. Battery upgrade

DIY: Make a multipurpose bike cargo rack for cargo, people, & solar panel

Review: Ecoflow 110W foldable solar panel

Bi-facial solar panel: What is it? How efficient? Testing an Eco Worthy 100W Bifacial solar panel

String trimmer hack: Installing a 12-inch miter saw blade. What could possibly go wrong?

Review & teardown of a Romoss 40,000mAh USB power bank

DIY: Home made 10-slot 14500 AA size Li-ion battery holder & charger

Flashlight AAA battery cartridge hack: Replace with Li-ion 14500/18500/18560 batteries

Head lamp battery hack: from AAA to Li-ion rechargeable battery

Everything you need to know about 9V Li-ion batteries: Full review & teardown

An unorthodox repair of a car (Toyota) side view mirror: repair the impossible

Rats in car engine bay? Use this (free) secret ingredient and they will never come back again!

Teardown a vape: You can't believe what I found inside an E-cigarette!

9V battery to Rechargeable 14500 Li-ion battery hack: Never buy 9V battery again

Putting a solar panel on an iPhone: unlimited power from the sun!

This Li-ion 14500 AA size battery makes all Alkaline AA batteries obsolete

How to repair a power tool battery that stops charging at 50%

Stop flooding with Bentonite clay? Plug that gopher hole!

Solar powered pet (cat/dog) feeder upgrade: bigger frameless solar panels

Fireplace hack: Hot tent stove mod to heat the entire house

Full review: Engwe Engine Pro 48V Electric Bike is beyond my expectations

How to diagnose & repair a car alternator: the missing manual (Toyota Corolla-Matrix-Pontiac Vibe)

The good, bad, and the ugly of Li-ion battery jumpstarter

Hot tent portable wood stove review and mods

Infinite range solar powered electric bike without a charge controller?

Can you power an electric bike with just a solar panel without any batteries?

The Pros and Cons of using power tool batteries (Kobalt 24V) for an electric bike

How to filter & separate alcohol from a LIQUID hand sanitizer for fuel

How to extract & separate alcohol from hand sanitizer for fuel

Emergency preparedness: Get ready for Hurricane Hilary

DIY: Home made glue from Acetone & plexiglass acrylic

How to remove & reuse retaining rings/clips for lawn mower or dolly wheels

DIY Canon M50 Camera battery hack: Upgrade with Tesla model 3 -2170 cells

DIY Sony FDR-AX53 Camcorder battery hack: Tesla Model 3-2170 battery upgrade

Battery scam: don't get ripped off!