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You never know when you might need some portable power.
Do you worry when your battery drops below 50 percent? Never fear, our charger guide is here.
Electric three wheeler and bike maker Gayam Motor Works (GMW) has developed swappable lithium-ion batteries for rickshaws which can be replaced in less than a minute.
Is it bad -- or even dangerous -- to leave a smartphone plugged in as you sleep? The answer is complicated, as are many things regarding batteries.
The first battery was faulty, but so was its replacement.
'I don't dare play with the phone in bed and if it heats up I quickly throw it aside,' said a 21-year-old student in Beijing.
The U.S. Consumer Product Safety Commission has issued recalls for battery packs, snow blowers, hoverboards, flashlights and power recliners in the past year, all because of fires caused by lithium-ion batteries.
With a tentative agreement to be purchased by its sister company, Tesla Motors, SolarCity is going all in on a strategy that some analysts say is ahead of its time: pairing solar systems with the automaker's energy-storage batteries.
The tech could even be scaled up for larger applications including electric vehicles.