Using active balancer on ebike battery

Lead Acid vs LIPO for PCB Spot Welding

New Spotwelder - Most powerful yet?

DIY professional looking powerwall battery

Recycle old Ebike Batteries

Charging an E-bike with Solar!

New Spot Welder Testing. Is it the new king?

Hardwire a dash camera without a hardwire kit!

Building a Quick Ebike Battery - Part 2

Building a Quick Ebike Battery - Part 1

Balancing a Ebike battery with a RC Charger

Testing the GreatScott! Spot Welder

Upgraded LED Camping Lamp

Refurbishing a large Lithium Ion Battery

$80 hidden bluetooth amplifier for Classic Cars!

2.7kwh $500 lifePO4 Solar Generator - Step by Step

lifePO4 UPS - Testing inverter and APC UPS

Buying cells from China sucks!

24S Cell Monitor

Quickly reprogramming my Bafang Ebike with my phone

15kWh UPS for Office - Battery Time

Fixing a dead ebike battery

$180 fully loaded home office PC

Spot Welding a 24v 18650 Battery

Dangerous Battery Cutoff Switch

Bluetooth 100A DC Power Meter

Rebuilding my 15kwh LifePO4 Powerwall

15kWh Office UPS - Testing Blocking Diode

New Bus Bars for the 15Kwh Powerwall

15kWh UPS for Office - Testing the UPS