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Compatibility Charts

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COMPATIBILITY
Battery Packs, Rechargers, Heating Elements

  • All BATTERY PACKS are compatible with all HEATING ELEMENTS, old and new.
  • “WHITE PLUG” Rechargers MUST ONLY be used with Battery Packs e4, e3, m4 and m3.
  • “BLUE PLUG” Rechargers MUST ONLY be used with Battery Packs 3.5.
  • “RED PLUG” Rechargers MUST ONLY be used with Battery Packs 2.7 / 2.5 / Original Power Plus and can be used with prior NiCAD model Battery Packs.
  • “DARK GREY PLUG” Rechargers MUST ONLY be used with NiCAD Battery Packs and MUST NOT be used with any Battery Packs Power Plus (all NiMH models).
Battery Pack
Recharger
Heating Element
Battery Pack Power Plus e4 & Power Plus e3 (2011-2012)
“WHITE PLUG” Recharger
All Heating Elements and Insoles with Heating Elements
Battery Pack Power Plus m4 & Power Plus m3 (2006-2010)
Battery Pack Power Plus 3.5 (2003-2005)
“BLUE PLUG” Recharger
Battery Pack Power Plus 2.7 (2004-2005), Power Plus 2.5 (2003), & Original Power Plus Battery Pack (2000-2002)
“RED PLUG” Recharger
Battery Pack NiCAD (1990-1999)
“DARK GREY PLUG”
“RED PLUG” Recharger


COMPATIBILITY
Extension Cords, Battery Packs, Heating Elements

  • All Extension Cords marked with a “C” (2007-2012) are compatible with all Battery Packs and Heating Elements (1990-2012).
  • All Extension Cords NOT marked with a “C” (1990-2006) are compatible with all Heating Elements (1990-2012) and are compatible with Battery Packs (1990-2005, 2007-2012).
  • All Extension Cords NOT marked with a “C” (1990-2006) are NOT compatible with “m” Series Battery Packs (2006).

Battery Pack
Extension Cord***
Heating Element
Battery Pack Power Plus e4 & Power Plus e3 (2011-2012)
Extension Cords “C” (2007-2012) Extension Cords (1990-2006)
All Heating Elements and Insoles with Heating Elements (1990-2012)
Battery Pack Power Plus m4 & Power Plus m3 (2007-2010)
Extension Cords “C” (2007-2012) Extension Cords (1990-2006)
Battery Pack Power Plus m4 & Power Plus m3 (2006)
Extension Cords “C” (2007-2012)
Battery Pack Power Plus 3.5 (2003-2005)
Extension Cords “C” (2007-2012) Extension Cords (1990-2006)
Battery Pack Power Plus 2.7 (2004-2005), Power Plus 2.5 (2003), & Original Power Plus Battery Pack (2000-2002)
Extension Cords “C” (2007-2012) Extension Cords (1990-2006)
Battery Pack NiCAD (1990-1999)
Extension Cords “C” (2007-2012) Extension Cords (1990-2006)
*** Marking
Marking "C"
No Marking
Marking “C” (or “no marking”) is found on Extension Cord female plug