Add Battery Backup to your Pi – a Pi UPS

Raspberry-Pi-Battery-Backup-UPSGreat post over on RepairHub for a battery backup / UPS for the Raspberry Pi.  If power is lost the setup will continue to power the Pi for a few minutes (configurable) then shut it down safely.  If power is resumed the shutdown will be canceled.

This setup has the added advantage over some of the other battery backup solutions in that it also charges the battery backup at the same time.

Suggested power supply is a 12 volt 3 amp device which should be sufficient to power external hard disks also.  The Pi is powered by a UBIC which converts the 12 volts down to 5 volts suitable for the Pi.

http://www.repairhub.co.uk/content/resources/raspberry-pi-battery-backup

Hobbywing 3A Switch Mode UBEC 5V 6V Max 5A Lowest RF Noise US
Hobbywing 3A Switch Mode UBEC 5V 6V Max 5A Lowest RF Noise US $3.50
End Date: Saturday May-13-2017 2:27:23 PDT
Buy It Now for only: $3.50
New Turnigy UBEC w Low Voltage Buzzer 3A 51 61V switching BEC US
New Turnigy UBEC w Low Voltage Buzzer 3A 51 61V switching BEC US $7.89
End Date: Tuesday May-9-2017 11:21:14 PDT
Buy It Now for only: $7.89
Hobbywing 3A UBEC Switch Mode UBEC 5V 6V Max 5A Lowest 4 RC RF Noise US New
Hobbywing 3A UBEC Switch Mode UBEC 5V 6V Max 5A Lowest 4 RC RF Noise US New $5.39
End Date: Sunday May-21-2017 20:05:34 PDT
Buy It Now for only: $5.39
Hobbywing 3A UBEC w RF Noise Reduction RC Output BEC Switch Mode for Lipo AD
Hobbywing 3A UBEC w RF Noise Reduction RC Output BEC Switch Mode for Lipo AD $3.40
End Date: Wednesday May-24-2017 10:04:11 PDT
Buy It Now for only: $3.40
BlueSky DC 12V BEC UBEC Power Module 3A 4S 6S Voltage Regulator USA Seller
BlueSky DC 12V BEC UBEC Power Module 3A 4S 6S Voltage Regulator USA Seller $8.45
End Date: Wednesday Apr-26-2017 0:03:19 PDT
Buy It Now for only: $8.45
W6 Red DC DC Converter Step Down Module 3A 5V Mini UBEC BEC For RC Airplanes
W6 Red DC DC Converter Step Down Module 3A 5V Mini UBEC BEC For RC Airplanes $6.23
End Date: Saturday Apr-29-2017 2:43:45 PDT
Buy It Now for only: $6.23
Hobbywing 3A RC UBEC 5V 6V Switch Mode Lowest RF Noise BEC
Hobbywing 3A RC UBEC 5V 6V Switch Mode Lowest RF Noise BEC $7.50
End Date: Thursday May-11-2017 9:26:31 PDT
Buy It Now for only: $7.50
Receiver Power Supply 5V 3A Brushless ESC External Type BEC UBEC Support 2 6S T1
Receiver Power Supply 5V 3A Brushless ESC External Type BEC UBEC Support 2 6S T1 $2.14
End Date: Tuesday May-23-2017 3:45:54 PDT
Buy It Now for only: $2.14
Turnigy 3A 5V 6V BEC UBEC Switching Voltage Regulator 2 5s Lipo 6v 23v Input
Turnigy 3A 5V 6V BEC UBEC Switching Voltage Regulator 2 5s Lipo 6v 23v Input $15.98
End Date: Friday May-19-2017 12:05:37 PDT
Buy It Now for only: $15.98
H1 30 AMP Simonk 30A Brushless ESC firmware w 5V 3A UBEC Quad Multirotor APM2
H1 30 AMP Simonk 30A Brushless ESC firmware w 5V 3A UBEC Quad Multirotor APM2 $3.90
End Date: Thursday Apr-27-2017 19:16:54 PDT
Buy It Now for only: $3.90

« Previous12345...910