Power & EMC

252W fanless battery charger

New generation 252W mobile charger, FSP252-10S6AC18 with a charging efficiency as high as over 94%. Its optimized charging curve design allows the output voltage to be adjusted through the firmware and can perform charging curve designs based on the customer’s selection of whether to use lithium batteries or lead-acid batteries.

This product also has a fan-less design that prevents dust from gathering that may cause damage to the internal structure of the product, or creating noises. FSP252-10S6AC18 can support the needs of various battery management systems, and also provides several DC Jack options in order to meet customization needs; it can be used with many battery modules currently available on the market.


  • Lightweight and compact product dimensions: 177*86*32.2mm / Weight: 660g
  • Output power 252W / Output current 6A / Output voltage 42V
  • Optimized charging module design (pre-charge mode, constant current mode, constant voltage mode, floating charging mode)
  • Smart LED charge status display design (standby / charging / charged / abnormal)
  • Wide AC input design: 90-264 Vac
  • Complete charging protection design: OVP, UVP, SCP, reverse polarity protection, charger OTP, battery OTP, and timing protection
  • Operating temperature range: -10 to 40°C
  • Safety regulations: IEC/EN 60335-1; 60335-2-29
  • EMC: EN55014-1,55014-2; EN61000-3-2,61000-3-3

FSP 252 datasheet