Ferei Rechargeable Battery Box (For HL20AA/HL40AA/HL40AAII)


$120 HKD

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AA battery pack, which can be used with the Ferei HL08, HL20 and HL40 head torches (AA and chargeable versions compatible). The waterproof box can hold 3x AA batteries for a fast swap during races. Also ideal for overnight or multi-night runs. 


  • Require 3x AA batteries (not included)
  • Compatible with Ferei HL08, HL20 and HL40 head torches
  • Note can be used with Ferei HL40II but not fastened to head strap and only with extension cord
  • Weight - 50g without battery