MEMOREX 98339 NINTENDO WII(TM) QUAD CONTROLLER CHARGING KIT SAFELY CHARGES THROUGH CONTROLLER SLEEVES, ELIMINATING THE NEED TO REMOVE PROTECTIVE SLEEVES TO CHARGE CONTROLLER BATTERIES. NIMH RECHARGEABLE BATTERY LASTS FOR UP TO 30 HOURS FOR CONTINUOUS PLAY TIME. CHARGE INDICATOR INDICATED WHEN BATTERY PACKS ARE CHARGING OR FULLY CHARGED. HIGH-QUALITY, FAIL-SAFE TESTING. COMPATIBLE WITH OR WITHOUT WII MOTIONPLUS(TM).