All videos
Low-Cost Survival Gear: USB Solar Power Bank
Overview of an affordable USB solar power bank as an entry-level energy solution for preppers on a budget.
Do All Batteries Need a BMS? Battery Management Systems Explained
Technical overview of battery management systems: what they do, which battery types require them, and when they're optional.
Pytes E-Box-48100R 5kWh Teardown: Build Quality After 3 Years
Nine-minute teardown of a 5kWh lithium battery system showing internal engineering, component quality, and durability after three years of off-grid service.
Installing Two 600-Pound LiFePO4 Batteries for Off-Grid Solar
Walk-through of selecting and installing two 32-kWh LiFePO4 batteries and 12kW inverter for an off-grid cabin system with seven days of backup power capacity.
Wiren Battery Communication: How Multiple 48V Batteries Sync
Short technical walkthrough of how Wiren 48V rack-mount batteries communicate and synchronize when wired together in a battery bank.
Yixiang 12V 628Ah DIY Battery Box Assembly and Testing
18-minute walkthrough assembling a high-capacity lithium battery box, testing its performance with thermal imaging, and evaluating the fuse system for off-grid solar setups.
PowerMax 16kWh Battery | Full Overview & Key Features
Four-minute walkthrough of the PowerMax 16kWh lithium battery: specs, build quality, expansion options, and example system configuration for off-grid and backup power.
EG4 Power Pro vs Ruixu Lithi vs Yixiang Budget Battery Showdown
Comparison testing of three popular 48V lithium battery systems for off-grid and backup power applications.
German Designed Thor 5000 Battery by Gobel Power: 5kWh Capacity Review and Testing
35-minute teardown and capacity test of a compact 51.2V/100Ah lithium battery system designed for off-grid solar setups, including cell inspection and thermal imaging.
Battleborn Battery Caught on Fire: Thermal Failsafe Failure
Real-world failure analysis of a lithium battery thermal protection system and implications for DIY solar power storage safety.
Vatrer 560Ah 12.8V LiFePO4 RV Battery — Technical Review & Teardown
Technical review and capacity test of a large-format lithium battery for off-grid and RV systems, with teardown of internal build quality.