HMT-1Z1 Battery Instructions

The HMT-1Z1 contains a specific internal, non-removable battery that is a key part of the intrinsically safe design. To maintain intrinsic safety, the HMT-1Z1 battery must only be charged with the approved charger and safety cable supplied with the device. If the battery requires servicing, it must undergo a specific replacement procedure and retesting of the device to re-certify the HMT-1Z1 device as intrinsically safe.