Meets factory specifications NOT MADE BY SUUNTO Compatible with Suunto Lumi and Core Wrist Computers Battery kit includes a 2 new Premium battery and 2 O-ring Protects your valuable investment NO BATTERY COVER INCLUDED 2x Shira TM Battery Kit For Suunto Core Lumi t4 t3 and t1 models Computer Watch Meets factory specifications and guidelines. The battery kit includes a new 3V lithium Premium battery and o ring. DOES NOT INCLUDE THE BATTERY COVER.