Accessories for Amateur Radio Operators!
Photovoltaic Charge Controller
Should be interesting for those who love free/green energy from the sun and happen to have access of solar panels or can acquire them reasonable cheap.
4WD enthusiast will be happy to place this product with the panel on their roof rack to keep those 12V DC equipment operational and charging their auxiliary batteries as well.
This is a smart battery charger for those with batteries and saving up for AC power supply.
It will know when to stop to further lengthen your battery life.