All videos
BigBattery NEXUS 2 vs. BLUETTI Expansion Batteries: 16kWh Storage Comparison
Fifteen-minute hands-on comparison of the BigBattery NEXUS 2 LiFePO4 battery paired with a BLUETTI Apex 300, testing viability as a lower-cost alternative to proprietary expansion batteries.
Best 12V 300Ah Lithium Battery: Testing 7 Models and Why I Avoid the Rest
Technical review of seven 12V lithium batteries for off-grid systems, with capacity tests, balancing analysis, BMS settings, and build-quality comparison to help you choose the right battery.
SOC Drift: When Your BMS Reports 100% But the Battery Isn't Full
One-minute explanation of state-of-charge drift in battery management systems: why your BMS can report a full charge when the battery is actually at 84%, and why this matters for off-grid reliability.
Taking a Business Off Grid: 7.14 kW Solar + 16 kWh Battery System Design and Real-World Testing
Real-world off-grid solar installation for a Jamaican meat shop: system design (12 panels, 16 kWh LiFePO₄ battery, hybrid inverter), stress testing under full load, cost breakdown, and energy security implications.
First Night Off-Grid: Did It Survive?
Day-one performance report on a DIY household solar and battery system running overnight loads: what the batteries held, how the inverter performed, and system readiness.
5 U5 Battery Rack Assembly: 25.6 kWh Off-Grid System
46-second walkthrough of assembling a five-battery rack system (25.6 kWh total, 100 Ah each) for off-grid solar installations.
Gobel Power VRM - Remote Monitoring of Your Battery and BMS from Anywhere
24-minute walkthrough of Gobel Power's cloud-based battery monitoring system: cell-level diagnostics, remote settings adjustment, and integration with off-grid solar setups.
Why Lithium Changed Solar Storage: Space and Weight Advantages Over Lead-Acid
Technical comparison of lithium (LiFePO4) and lead-acid battery storage for off-grid solar: space, weight, usable energy, and installation efficiency tradeoffs.
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.
Pecron E3600LFP Update
Summer performance update on a Pecron lithium battery and solar setup: real-world reliability, capacity behavior, and system integration after months of use.
Both Pecron E3600LFP are at 100%: A Secret to Store Extra Power
Short walkthrough on managing excess solar power generation when battery banks are full, using dual Pecron LiFePO4 units.