This experiment explores how early electrical technology can be rebuilt from scratch by creating a rechargeable lead-acid ...

Test Editor Doug Newcomb recently tested a slew of portable jump starters and landed on eight he recommends—five of which are ...

As of Feb. 18, the Bluetti AC200L portable power station with a 350W solar panel is on sale at Amazon for $1,298.98, marked down from the normal price of $1,999. That's a 35% discount that saves a ...

We've tested and reviewed products since 1936. Read CR's review of the Honda EG2800i generator to find out if it's worth it.

Our editor-tested and researched portable and whole-home options keep appliances and other essentials running during an ...

Abstract: Population and economic growth have increased the energy demand, making using clean and renewable sources necessary. It is crucial to investigate energy alternatives that include renewable ...

Abstract: This research describes a portable power source that harvests energy from waste heat using a thermoelectric generator (TEG). The output voltage and power of TEG depend on the temperature ...

Accelerate your tech game Paid Content How the New Space Race Will Drive Innovation How the metaverse will change the future of work and society Managing the ...

The idea of visiting a hardware store with the intent to purchase an entire pre-built engine feels a little strange on paper, but as it happens, Harbor Freight actually has quite a few small engines ...