Portable size, easy to carry and use. It can replace the old one or broken one. Very durable for use. Compatible for BAOFENG BF-UV5R 3800mAh battery BF-UVB3 Plus Battery. 2.5mm USB Charger Cable with Indicator Light for BaoFeng UV-5R UV-82 3800mAh Battery UV-S9/9S Two Way Radio