Posted in Hackaday Columns, Slider, Teardown Tagged 18650, battery bank, hand warmer, heater, microcontroller, usb power bank ← Peek Into This Synth’s Great Design (And Abandoned Features) ...

Battery capacity: 5,000 mAh Temperature range: 100 to 125 degrees Fahrenheit Input: USB-C (with rubber dust cover) Size: 3.39 inches by 1.89 inches by 0.71 inch Weight: 65g each ...

Tweet this NantEnergy’s rechargeable green, air breathing zinc battery technology has now broken the manufacturing cost barrier of $100 per kilowatt hour, announced at the One Planet Summit.

Rechargeable batteries already power our phones, laptops and toothbrushes. With solar battery storage and electric cars set to take off, it's time to sort the battery fact from fiction.

(Two of the authors on the paper are associated with a start-up company called EnZinc that has licensed the design and intends to start selling rechargeable zinc batteries—soon. EnZinc CEO ...