The CLB850FF is an ATEX approved high-capacity lithium-metal battery pack designed for one time emergency use with Entel DT885FF and DT844FF portable radios.

CLB850FF is a non-rechargeable primary battery pack intended for single-use emergencies only. It has a shelf life of 4-years and will provide a minimum of 20 hours of operation based on a 5/5/90 duty cycle.

IMPORTANT NOTE

If buying a CLB850FF as a spare battery please check your radio(s) have the correct firmware as follows:

Attach the secondary battery CNB950EV2 and turn the radio on.
The screen will display PRIMARY BATTERY READY – if not displayed, your radio will need a simple firmware upgrade. Follow these instructions: www.entel.co.uk/CLB850FF