Power Supplies & Batteries: The Complete Guide
Rectification, regulation, chargers and battery chemistry every power tutorial from supply classification to LiPo care, ordered for learning.
Power & Batteries
Power supply classification, regulators, chargers and choosing the right battery technology for your project., 18 tutorials
Solar MPPT Explained: Maximum Power Point Tracking
Why MPPT extracts 30 % more from the same panel IV curves, the knee, and how trackers hunt the maximum power point.
BMS Design Tutorial: Battery Management Systems Explained
How a BMS protects lithium packs cell monitoring, balancing, protection thresholds and designing your own.
Linear vs Switching Regulators: Choosing Correctly
LDO simplicity versus buck efficiency noise, heat, cost and where each belongs.
Buck Converters: Stepping Down Efficiently
The switch-inductor-diode dance, duty-cycle maths, ripple sizing and module selection.
Boost Converters: Raising Voltage From Less
Charging an inductor then releasing it high duty maths, limits at high ratios and battery applications.
Sizing Rectifier Filter Capacitors Without Ripple Regret
The C = I·t ÷ ΔV rule for bridge outputs, peak currents, and why bigger is not always better.
SMPS vs Linear Power Supplies: An Honest Comparison
Iron transformers versus switchers weight, noise, efficiency, regulation and the use cases that decide.
Lithium-Ion vs LiPo: Chemistry, Shape and Safety Compared
Cylindrical versus pouch energy density, discharge rates, failure modes and choosing between them.
The 18650 Battery: Selection, Specs and Safe Use
Capacity versus current, protected versus bare, genuine sourcing and building safe packs.
CC/CV Charging: How Lithium Batteries Are Actually Charged
The two-phase protocol every lithium charger follows current limits, the 4.2 V ceiling and termination.
UPS and Inverters: Backup Power Without Surprises
Topologies from standby to double conversion, sizing maths, waveform reality and battery care.
Power over Ethernet: One Cable for Data and Power
PoE standards, classes and budgets powering cameras, APs and IoT with the network cable alone.
What Is a GaN Charger in 2026? Gallium Nitride vs Silicon - Expla...
"headline": "What is a GaN Charger? Gallium Nitride vs. Silicon Technology Explained",, a bench-tested power & batteries guide with worked example and reference.
The Death of Silicon? GaN vs. SiC in EV Chargers
How does GaN improve EV On Board Chargers OBC? Gallium Nitride GaN enables switching frequencies in the MHz range, allowing for significantly smaller transformers and inductors. This result…
Why Your LiPo Battery Dies So Fast? 9 Hidden Killers & Real Fixes
9 hidden killers draining your pack and field-tested fixes the datasheets won’t tell you, a bench-tested power & batteries guide with worked example and reference.
Battery Selection Guide for Engineers | Lithium vs NiMH
The engineer battery selection framework: chemistry, C rates, internal resistance, discharge curves and the runtime arithmetic that picks the right cell every time.
SMPS vs Linear vs DC-DC Which Power Supply is BEST?
The definitive professional guide from the 8 core power supply types and efficiency ripple formulas to Linear vs SMPS vs GaN comparison, 80 PLUS ratings, hold up time, 12 step troubleshootin…