← Video library · YouTube channel

Gear Reviews · Companion page

60-Hour Battery Life on the RB48 — Field Test Results

July 9, 2026 · Watch below, then use the free site tools (offline after first visit).

Retevis RB48: 60-Hour Battery Life Result — And the NOAA Alert Update Two weeks with the RB48 four-pack from the unboxing video. Two results. Battery life in standby: Tested at approximately 60 hours. For a work or property radio that's Monday to Wednesday without thinking about a charger. NOAA weather alert: Still unconfirmed — not because I haven't tried. I've been carrying these radios for two…

Open on YouTube Subscribe

On this site

What to do next

RB48 field battery test — size your real load before you trust a “days of runtime” claim. Use the battery and power-system calculators offline.

Guides & workflows

Offline tools

In the book

Same topics in plain-language chapters — free sample available.

Book ch. 5: emergency plan & power Free sample chapter

Gear mentioned / related

Curated Amazon picks

Affiliate links support the channel at no extra cost. Verify current model numbers against the video.

As an Amazon Associate, KI4TQN earns from qualifying purchases. Links open Amazon with our affiliate tag — no extra cost to you.

Field power & solar

Size with the power system sizer — battery, panel, and distribution.

Bioenno 12V 9Ah LiFePO₄ Lightweight emcomm battery — pairs with power sizer. ~$85 · Amazon → ExpertPower 12V 7Ah SLA Budget sealed lead-acid for go-box and UPS duty. ~$25 · Amazon → Renogy 100W solar panel Field-day and backup power — size with solar tool. ~$90 · Amazon → Renogy 10A charge controller PWM controller for small panel + SLA/LiFePO₄ bank. ~$25 · Amazon → Anderson Powerpole kit 30A pairs — standard DC connector for emcomm go-boxes. ~$18 · Amazon → RIGrunner 4005 Fused 12V distribution — clean go-box wiring. ~$55 · Amazon →

See all curated Amazon picks · Full dealer directory

All videos · All tools · Newsletter · Submit a freq update