Car Battery Testing - EnergyLast

Automotive Battery Concerns

Diagnosing Car Battery Failure: Voltage and Load Tests

Theories about diagnosing car battery failure, including voltage and load tests, help determine if your battery needs replacement or further inspection.

John Sulivan
November 23, 2025

Battery Maintenance and Troubleshooting

The 5-Minute Test That Exposes Fake ‘Deep Cycle’ LiFePO4 Claims

Prove a LiFePO4 battery's authenticity in just five minutes—discover the key test that…

EnergyLast Team
January 30, 2026

Technical Information

200Ah Isn’t Always 200Ah: The Hidden Rating That Changes Everything

Properly understanding battery ratings reveals hidden factors that can drastically…

EnergyLast Team
January 29, 2026

Specific Battery Types

Stop Guessing: The One Chart That Instantly Tells You If a 12V 200Ah LiFePO4 Battery Is Enough

Find out if your energy needs match a 12V 200Ah LiFePO4 battery with this simple…

EnergyLast Team
January 29, 2026

Specific Battery Types

Emerging Metal‑Free Batteries: Organic and Paper‑Based Concepts

Gaining insights into organic and paper-based metal-free batteries reveals innovative,…

John Sulivan
January 19, 2026