MSGID: <10cgfvr$1hnne$1@dont-email.me> 721cc011   
   REPLY: <10c8l4r$2uvkf$1@dont-email.me> 52fe1a07   
   PID: PyGate 1.0   
   TID: PyGate/Linux 1.0   
   CHRS: ASCII 1   
   TZUTC: 0100   
   REPLYADDR daniel@me.invalid   
   REPLYTO 3:633/10 UUCP   
   On 09/10/2025 16:42, Mike Scott wrote:   
   > I've just installed rasp OS on a new pi5 for the first time. It moans    
   > the psu is insufficient, and can't deliver 5A. But the psu itself - a    
   > kosher raspberry pi one - claims it will deliver 5A/25W.   
      
   That doesn't sound right.   
      
   Raspberry Pi sell three different USB-C PSUs:   
      
   - A 15W PSU for use with the Pi 4/400 only.   
   - A 27W PSU for use with the Pi5/500 (and 4/400)   
   - A 45W PSU which is like the 27W but more powerful and can power some    
   laptops, etc.   
      
   The 27W and 45W PSUs support the USB Power Delivery spec and will    
   provide a range of powers/voltages after negotiation with the device.    
   The 15W PSU provides only 5V/3A, and is stated to be inadequate for the    
   Pi5 and later.   
      
   There is no official "kosher" 25W PSU from Raspberry Pi.   
      
   --    
   Cheers,   
     Daniel.   
      
   --- PyGate Linux v1.0   
    * Origin: Dragon's Lair, PyGate NNTP<>Fido Gate (3:633/10)   
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