3M™ Versaflo™ Powered and Supplied Air Respiratory Systems
TR-300 Batteries-Battery Pack Charge Status
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Battery pack charge status is
indicated by pressing the indicator
indicated by pressing the indicator
button on the top of the battery.
The number of bars illuminated
indicates battery pack charge
indicates battery pack charge
capacity:
5 bars: 80-100%
1 bar: less than 20%
.
Note: As the battery pack ages, it will normally lose capacity. An older battery pack, or one that has been
exposed to temperature extremes, may show less than 5 bars after completing a charge cycle (i.e. after a
charge cycle, only 4 bars light indicating 60-80% of original capacity is available). The 3M lithium battery packs
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do not require a learn cycle to calibrate or re-calibrate the battery pack charge indicator.