Dexcom G4 / G5 Battery Cap for original and LR44/357 size batteries

For many people using the Dexcom G4/G5 CGM, the cost is a serious burden. This battery cap allows you to safely replace the batteries and reuse the transmitter.

The battery cap is designed to be used on a transmitter that has been modified using a belt sander. sand down the transmitter casing until both battery tops have been completely exposed (removal of the top battery tab is fine. pry batteries out carefully and be cautious not to break the welded battery tab under the battery in the proc