Batteries Expected Life - 3M Versaflo TR-300 PAPR Manual

3M™ Versaflo™ Powered and Supplied Air Respiratory Systems

Batteries Expected Life

Approximately 250 full capacity charge/discharge cycles

on maintaining 80% of the capacity in a new battery pack).
1 cycle = discharge of 90% 1 cycle = discharge of 90%
 
Partial cycles are counted and added up until 90% is reached

Ex: User runs battery pack for 2 hours and depletes it 20%.

does this for 4 more days, recharging the battery pack at the end of does t s o
each day. 1 cycle has occurred (5 days use)
20% discharge/day X 5 days use = greater than 90% discharge;

battery will register 1 cycle after 5 days
N No memory issues

TR-330 battery lifetime: at least 1000 hours (battery expected

to maintain at least 80% of original capacity for at least 1000
h hours). )
TR-332 battery lifetime: at least 2000 hours (battery expected

to maintain at least 80% of original capacity for at least 2000
h hours). )
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