batteries

 
So you’ve seized power and are struggling to keep it. What now?
So you’ve seized power and are struggling to keep it. What now?
The world’s biggest battery is a pumped storage scheme in Virginia. This uses excess electricity in the day to pump water to the top of a...
Powerwall battery jump-starts revolution
Powerwall battery jump-starts revolution
Elon Musk's Tesla Powerwall batteries have captured the imagination of the world, most notably for the economy of scale that they represent for...
Don't be left in the dark - plug your home into a battery
Don't be left in the dark - plug your home into a battery
"The issue with existing batteries is … that they suck." That’s not the kind of quote you’d expect from Elon Musk, a guy who has founded...
New battery for smartphones can be charged in a minute
New battery for smartphones can be charged in a minute
United States scientists said they have invented a cheap, long-lasting and flexible battery made of aluminium for use in smartphones that can be...
Gadget charger harnesses walking power
Gadget charger harnesses walking power
A US company has come up with a baton-shaped device that charges gadgets using power generated by walking, hiking or running.
Powered to recharge
Powered to recharge
Every year South Africans use about 50-million batteries to power their lives. But only about 3% of these batteries are rechargeable and the rest...

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