Fast charging and lightweight, Yaesu Handheld Li-Ion Battery Packs are original equipment versions that look the same and actually fit and run your HT as designed. These Li-Ion packs are longer lasting than cheap substitutes and keep you on the air. Keep an extra pack charged up and on hand for those special event days with long hours of HT operations. You never know when that emergency situation will occur. When you need your handheld to work at full power, trust original Yaesu Handheld Li-Ion Battery Pack