We tested 19 solar generators to find the best and most versatile devices that can provide emergency backup power and fuel ...

a Dutch off-grid solar specialist and engineering firm, has launched a new battery designed for residential use. It is based on what’s old-is-new-again technology: lead-acid, with a twist.

The solar side of the equation is fairly simple. There’s a 50 watt photovoltaic panel charging a 12V 7Ah lead-acid battery though a 20A charge controller. With an average of 4 to 6 hours of ...