Black Charger Dock 2 Pcs 2800 mAh Battery Packs for Nintendo WII Remote Dual charger dock for Wii; High capacity rechargeable batteries. Save money and protect the environment by using the batteries. Include two 2800mAh batteries; With LED light indicator to show the charging status. The LED indicators are red when charging. Never run out of battery power when you are going to score the winning point.