The newest iteration of the EPS battery integrates the electronic intelligence board and power in a sealed unit. Easier mounting due to reduced size for broader frame compatibility and better aerodynamics . Ultrasonically sealed and meets IP67 international standards for waterproofness. Vibration absorbing case material for better durability. Not compatible with Chorus/Athena systems requires V3 DTI to work 2222-1 . 16 grams The Newest Iteration Of The Eps Battery Integrates The Electronic Intelligence Board And Power In A Easier Mounting Due To Reduced Size For Broader Frame Compatibility And Better Aerodynamics Ultrasonically Sealed And Meets Ip67 International Standards For Waterproofness Vibration Absorbing Case Material For Better Durability Not Compatible With Chorus/Athena Systems Requires V3 Dti To Work 220202-01