3Zebras: Tech News, Smart Home Guides and Digital How-To Tutorials

solar powered security camera - Solar Security Cameras: Winter Uptime and Panel Sizing

Solar Security Cameras: Winter Uptime and Panel Sizing

Will a solar powered security camera last a Canadian winter? Compare the 0°C charging cutoff, camera cold ratings and NRCan December yields before you buy.

wired outdoor security camera - Wired Outdoor Security Cameras: PoE Cabling and Night Range

Wired Outdoor Security Cameras: PoE Cabling and Night Range

Choosing a wired outdoor security camera? Compare PoE types, the 100 metre cable limit, real IR night range and cold ratings from manufacturer spec sheets.

solar battery charger panel on a car windshield in winter

Solar Battery Chargers: Trickle vs Maintain, and Why Most Are Undersized

Solar battery charger buying guide: why 5 W panels are undersized for modern cars, trickle vs maintainer controllers, and six real panels compared on spec.

battery jump starter - peak amps and watt-hours in cold weather

Battery Jump Starters: Peak Amps and What Fails First in the Cold

Compare battery jump starter specs properly: why peak amps is untested, what watt-hours really buy you, and which numbers still hold up in freezing weather.

portable solar power station - Solar Portable Power Stations: Real Recharge Times vs the Box Claim

Solar Portable Power Stations: Real Recharge Times vs the Box Claim

A portable solar power station rarely recharges as fast as the panel badge implies. See the real spec-sheet hours, the STC catch and the input port limits.

portable power station - Portable Power Stations: What the Watt Hour Number Actually Buys You

Portable Power Stations: What the Watt Hour Number Actually Buys You

Compare portable power station specs properly: what the watt hours store, what the watts deliver, and why the number printed on the box matches neither.