Superior Battery Capacity Tester Will work in most 21

Will work in most 21 volt belt lights

Has bright white main beam

The only problem is

Total weight of 16 ounces makes this one of the lightest weight lights currently on the market

If you have no bars with the outside light illuminated

Superior Battery Capacity Tester Will work in most 21SUPERIOR BATTERY CAPACITY TESTER Have you ever thought after a long hunt that your going to take a break, and not hunt the following night. You come in, set your light aside and don't put it on charge. Only to decide when you get off work the next day that you'll take a short hunt. The only problem is, you don't know how much burn time your light has remaining!!!! This tester will eliminate the guess work and tell you just that!!! Designed to work on