PowerEver

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Lambda Nu PowerEver is a tiny PCB that turns any commercial USB power bank into a non-stop power supply while minimizing self-drained current. It is user-adjustable and is compatible with nearly all power banks in the market. The PowerEver enables the power bank to never run short of mobile power for most portable USB-powered devices.

The Lambda Nu PowerEver is designed to consume as little current as possible while passing most of it to the connected device. This current is freely adjustable using a single push button on the backside of the PCB to increase or decrease the draw to suit the power bank's design.

  • Use commercial USB mobile phone power banks as a regular 5VDC power supply for powering consumer electronics or Single Board Computers (SBC)
  • User-adjustable current draw to suit almost any power bank
  • Designed to consume as little current as possible
  • Extremely compact form factor
  • Fully open-source with complete schematics and source code provided for immediate tweaking
  • Eliminates the possibility of power surges and AC adapter noise

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  • In case you're wondering why on earth you'd want this thing instead of just plugging the battery right into your device, SparkFun has done everyone a disservice by leaving out the one key reason for this product to exist (from their unlinked website):

    Counter the Auto-shutdown

    Modern off-the-shelf power banks are excellent, clean, galvanically isolated power sources that will often turn themselves off without enough load connected. To overcome this hurdle, PowerEver has been created allowing your favorite electronic boards and gadgets to run non-stop. PowerEver is designed to consume as little current as possible while passing most of it to your connected device. This current is freely adjustable using a single push button on the back side either to increase or decrease draw to suit to your power banks behavior.

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