5V UPS for Raspberry Pi: Difference between revisions

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5V UPS for Raspberry Pi (view source)

Revision as of 19:08, 13 September 2014

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Unfortunately not all power supplies and power banks are able to provide that much power. You can buy some cheap UPS for 500mA from Adafruit (e.g. [http://www.adafruit.com/products/1944|PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost]) but they won't be able to provide enough current for your RaspberryPi with all accesories which might use as much as 2A. Not only that - some cables has high impedance and are unable to transfer enough power for your device. For example devices with Belkin USB cable  was charging only 400mA while with Samsung USB cable I was able to achieve charging speed up to 1,000mA with same charger.
Unfortunately not all power supplies and power banks are able to provide that much power. You can buy some cheap UPS for 500mA from Adafruit (e.g. [http://www.adafruit.com/products/1944|PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost]) but they won't be able to provide enough current for your RaspberryPi with all accesories which might use as much as 2A. Not only that - some cables has high impedance and are unable to transfer enough power for your device. For example devices with Belkin USB cable  was charging only 400mA while with Samsung USB cable I was able to achieve charging speed up to 1,000mA with same charger.
== How much current do you need? ==
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