DIY bosch 18V li-ion battery adapter 22.5W USB USB C & 12V 3.0A (3.5A max)DC Power Source 

Feature:

Compatible with bosch 18V  BAT lithium battery (not for bosch green version  ).

This power souce can charge Electronic Devices while charging heated jacket.

Dual USB  and USB C  22.5W support  for quick charging
DC Output Port:   12V  3A ( 3.5A max ) 5521 :
Femal port  for DIY .
     

Notice :
  
1.  Support Android and Apple Phone device charging ;  

2.  Disconnect adapter from battery if long time no use ;

3. Design from third party ,Not original ,but heavy duty and nice OEM items . this adapter bulit-in no over-discharging protection board.