Power Conversion - Watt Reserve

Battery Backup Basics

How to Choose Which Devices Should Use DC Instead of AC Power

selecting devices for dc power

How to choose which devices should use DC instead of AC power to maximize efficiency and battery life—discover the key factors to consider.

Watt Reserve Team
May 5, 2026

Power Math & Sizing

VA to Watts: The UPS Math Trick Nobody Explains

understanding va to watts

Omitting key details can lead to miscalculations; discover the simple trick that makes VA to Watts conversions straightforward.

Watt Reserve Team
December 26, 2025

Finding The Right Fit: 10 Best Portable Power Stations For 2027

Battery Backup Basics

Finding The Right Fit: 10 Best Portable Power Stations For 2027

A 2027 roundup compares 10 portable power stations by capacity, output and portability.…

Watt Reserve Team
November 4, 2026

14 Best Solar Generators for Home Backup in 2027

Vetted

14 Best Solar Generators for Home Backup in 2027

Compare the 14 best solar generators for home backup in 2027. Find the right capacity,…

Watt Reserve Team
November 4, 2026

Vastly Different Fortunes For BESS In Belgium And Germany’s Capacity Market Auctions

Battery Backup Basics

Vastly Different Fortunes For BESS In Belgium And Germany’s Capacity Market Auctions

Belgium's Elia awarded 1GW of battery capacity across two auctions. Germany's first…

Watt Reserve Team
November 4, 2026

BW ESS Puts Europe’s Largest BESS Into Commercial Operation In The UK

Battery Backup Basics

BW ESS Puts Europe’s Largest BESS Into Commercial Operation In The UK

BW ESS says its 350MW/1,240MWh Hams Hall battery project in England has entered…

Watt Reserve Team
November 4, 2026