USBC Battery Case For Quansheng walkie talkie Radio UV-R50 3D printed products PETG material Use two flat-head 18650 cylindrical lithium batteries. ?You need to purchase it yourself) We will provide an extra charger cable Can be charged directly with mobile phone charger, with charging instructions I changed the back clip slot on the back of the battery box to the same as the uvk5 back clip slot. Since the battery case 3D printed, it is inevitable that there will be slight flaws in appearance. If you mind the perfection, please be careful when purchasing. Thank you very much for your understanding.