Wireless power in AA battery format
Power

Wireless power in AA battery format

Ossia has created the world's first wirelessly-powered alternative to disposable AA batteries. The "Forever Battery" puts a long distance wireless power receiver into an AA battery format. The technology can receive up to 4W from a nearby RF transmitter (Cota transmitter), and includes...

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2 X AA Battery To 6V Boost Converter For Arduino Nano
ArduinoPower supply

2 X AA Battery To 6V Boost Converter For Arduino Nano

This project is simple solution to power Arduino Nano from two 1.5V batteries. Circuit converts 2 X AA alkaline battery power into 6V 100mA using boost topology. Circuit uses SOT223-6 pin TLV61046A boost converter IC. The TLV61046A is a highly integrated boost converter designed for...

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Researchers Developed Low Cost Battery From Graphite Waste
ScienceTechnology

Researchers Developed Low Cost Battery From Graphite Waste

Lithium-ion batteries are flammable and the price of the raw material is increasing. Scientists and engineers have been trying to find out a safe yet efficient alternative to the Lithium-ion technology. The researchers of Empa and ETH Zürich have discovered promising approaches as to how...

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uBoost Single AA to 3.3v 100mA Power Supply
Power

uBoost Single AA to 3.3v 100mA Power Supply

µBoost is a Single AA powered, 3.3v 100mA power source and flashlight and it can run low power devices. µBoost is small, portable, 3.3v 100mA power source for low power devices like Arduino Mini. It has white power LED and can usable as flashlight. Also it has "Battery OK" indicator...

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Rechargeable Magnesium Batteries – Safer And Cheaper Than Li-ion Batteries
ScienceTechnology

Rechargeable Magnesium Batteries – Safer And Cheaper Than Li-ion Batteries

Researchers at the University of Houston reported in the journal Nature Communications the discovery of a new design that significantly improves the development of a battery based on magnesium. Magnesium batteries are considered as safe resources of power supply – unlike...

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DIY Arduino Battery Capacity Tester
Arduino

DIY Arduino Battery Capacity Tester

deba168 @ instructables.com writes: I have salvaged so many old lap-top batteries ( 18650 ) to reuse them in my solar projects.It is very difficult to identify the good cells in battery pack.Earlier in one of my Power Bank Instructable I have told, how to identify good cells by...

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Integrated 36V buck battery charger provides seamless backup power
IC

Integrated 36V buck battery charger provides seamless backup power

By Graham Prophet @ eedesignnewseurope.com: LTC4091 is a complete lithium-ion battery backup management system for 3.45V to 4.45V supply rails that must be kept active during a long duration main power failure. The LTC4091 employs a 36V monolithic buck converter with adaptive output...

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Carrageenan, a seaweed derivative, can stabilize lithium-sulfur batteries surprisingly
ScienceTechnology

Carrageenan, a seaweed derivative, can stabilize lithium-sulfur batteries surprisingly

Lithium-sulfur batteries are suitable for both vehicle and grid applications as they are ultra-cheap, high-energy devices. Sulfur is a very low-cost material and the energy capacity is much higher than that of lithium-ion. So, lithium-sulfur is one chemistry that can possibly meet the...

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