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    Function Description    X705          
     
   
 
❶ Power Jack, power input and power output
❷ 4-pin Function Header
  DC Power input jack  4.7~5.5Vdc ±5%, ≥3A
  DC Power Plug Size  5.5*2.5mm
  Micro USB power input  4.7~5.5Vdc, 2.5A
Power input / output connector  XH2.54mm 2pin

 1. X705 powers the Rpi via the 40-pin header (Pin 2 & 4)
 2. Don't power the Rpi via the Pi's Micro USB  or Type-C socket
 3. X705 can be powered via the DC jack or Micro USB power socket
    or XH2.54 connector.
Pin Number Usage
Pin 2 and Pin 4
(Auto ON)		  Short - Auto power-on when power applied
 Open - Power on when power button pressed 
Pin 1 and Pin 3
(PWR SW*)
 Pin3 - Power on/off control connecting to
           external switch 
 Pin1 - 0V connecting to external switch 

 *Please use momentary power switch only.
 
 
❸ 18650 battery dimension
❹ Fuel gauge - LED Indicator Function

DO NOT USE  18650 BATTERY WITH BUILT-IN PROTECTION CIRCUIT		 Operation of Discharging
Capacity C (%) D1 D2 D3 D4
C ≥75% ON ON ON ON
50%≤C＜75% ON ON ON OFF
25%≤C＜50% ON ON OFF OFF
3%≤C＜25% ON OFF OFF OFF
0%＜C＜3% Flashing OFF OFF OFF

Operation of charging
Capacity C (%) D1 D2 D3 D4
Fully charged ON ON ON ON
75%≤C ON ON ON Flashing
50%≤C＜75% ON ON Flashing OFF
25%≤C＜50% ON Flashing OFF OFF
C＜25% Flashing OFF OFF OFF
 
     
    Board Assembly
     
 
❶ Attach the 14mm F/F spacer to the top of the X705 mounting holes by inserting the 22mm M/F spacers from the bottom of the X705.
 
❷ Attach the Rpi to the X705's spacers and secure in place using the M2.5 screws.
 
     
❸ Plugs the power daughter straight into your Raspberry Pi B+'s GPIO header and connects to "5V out' socket on the X705.
 
❹ Double check polarity of battery's connector to make sure "+" to "+" and "-" to "-" before inserting 18650 batteries into the socket.
 
     
 
 
       
 
     
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