Need to charge your tablet or laptop computer off-grid? This video shows you how to do it.

Last chance to get a Prime Day Retevis Ailunce HD2 GPS. Sorry this heads up is coming so late.

Power Queen LiFePO4 Prime Day Sale for USA & Europe. Pay Attention!

A DIY Victron Cerbo touschreen to save some money on monitoring battery storage and solar energy.

Power Queen Bluetooth Smart Edition LiFePO4 battery and charge controller test.

OH8STN Portable Ham Radio on Solar Power GIVEAWAY 2024.

Setting up a Microsoft Surface Go for Portable Ham Radio Data Modes.

This tutorial explains how to modify Retevis Ailunce HD2's band for different IARU regions and outlines the advantages of DMR in ham radio, including text messaging.

N9SAB sent over a care package filed with lightweight, efficient, stealthy antennas for portable and fixed station ham radio use. Let's unbox them together!

The off-grid ham shack is fully energy self-sufficient, utilizing solar, wind, and other power sources, with a focus on low current devices for sustainable communication.

Radio enthusiast details QSO with GW4OZU using Icom IC-705, demonstrating JS8Call's efficacy in low-power HF communications.

Summary: Retevis clarified AES128/AES256 encryption for the HD2 and confirmed, IT'S COMING!

March 2024 Power Queen promotions offer discounts for large LiFePO4 batteries in the US and Europe, plus a 5% discount with code...

The Retevis Ailunce HD2 is finally here! Here’s a short preview of the highlights. A few weeks before this post was published, Retevis reached out [...]

An amateur radio operator explores how detailed weather data could predict HF band openings, leveraging temperature, pressure, and historical contact information while considering the impact of cold on equipment conductivity.

Integrating the Ruuvi Gateway and sensors to remotely monitor indoor/outdoor temperatures, ensuring safe temperatures for lithium battery charging. Off-Grid Ham Shack

To protect lithium batteries from cold while charging, a video/blog showcases using a Chinese diesel heater in an off-grid ham shack. It's vital to keep batteries above freezing, a lesson learned from electric cars in winter. The video details the installation and operation of a 3kw Vevor diesel heater, which also powers up using the ham shack's LiFePO4 batteries, maintaining ideal temperatures for both batteries and equipment.

This video shows charging Power Queen LiFePO4 batteries with a vertical wind generator and discusses off-grid ham shack power storage solutions, including during non-solar conditions.

The Retevis Ailunce HD1 GPS, rated IP67 for dust and water resistance, surpassed expectations in extreme weather testing at -30°C, showing no signs of battery, LCD, or condensation issues after being left outside for three days. The robust HD1 performed admirably, suggesting it's a serious contender in rugged radio options.