Clamp the battery on the universal charge, the universal charge generally has two metal feet, the battery generally has three metal contacts, the universal charge of the two antennae and the battery contact (you can adjust the universal charge of the metal foot), if the universal charge test light can be charged, if not, you can continue to adjust.
Clamp the battery on the universal charge, the universal charge generally has two metal feet, the battery generally has three metal contacts, the universal charge of the two antennae and the battery contact (you can adjust the universal charge of the metal foot), if the universal charge test light can be charged, if not, you can continue to adjust.