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AA Batteries and Transmitter Runtime
QLX-D transmitters are compatible with the following AA battery types:
• Alkaline
• Nickel Metal Hydride (NiMH)
• Lithium Primary
A 5-segment battery indicator representing the charge level of the transmitter battery is displayed on the screens of the transmitter and receiver. The following tables
contain the approximate remaining transmitter runtime in hours:minutes.
Alkaline Batteries: Up to 9 Hours of
Runtime
Battery
Indicator
Approximate Runtime
Remaining (hours:minutes)
9:30 to 7:30
7:30 to 5:30
5:30 to 3:30
3:30 to 2:30
2:30 to 1:30
< 0:30
NiMH Batteries: Up to 10 Hours of
Runtime
Battery
Indicator
Approximate Runtime
Remaining (hours:minutes)
10:00 to 8:00
8:00 to 6:00
6:00 to 4:00
4:00 to 2:00
2:00 to 0:20
0:20 to 0:00
Lithium Primary Batteries: Up
to 16 Hours of Runtime
Battery
Indicator
Approximate Runtime
Remaining (hours:minutes)
16:00 to 12:45
12:45 to 9:30
9:30 to 6:30
6:30 to 3:15
3:15 to 0:20
0:20 to 0:00
Shure SB900 Rechargeable Battery
Shure SB900 lithium-ion batteries offer a rechargeable option for powering the QLX-D transmitters. Batteries quickly charge to 50% capacity in one hour and reach full
charge within three hours.
Single chargers and multiple bay chargers are available to recharge the Shure batteries.
Caution: Only charge Shure rechargeable batteries with a Shure battery charger.
Single Bay Charger
The single bay charger offers a compact
charging solution.
1. Plug the charger into an AC power
source or USB port.
2. Insert a battery into the charging bay.
3. Monitor the charging status LEDs until
charging is complete.
LED
Charging Status LED
Color Status
Red Charging
Green Charging Complete
Amber Flashing Fault: check connections and battery
Off No battery in bay
Multiple Bay Chargers
Shure offers two models of multiple bay
chargers:
• SBC-200 two bay charger
• SBC-800 eight bay charger
Multiple bay chargers can charge
individual batteries or batteries installed
in transmitters.
1. Plug the charger into an AC power source.
2. Insert batteries or transmitters into the charging bay.
3. Monitor the charging status LEDs until charging is complete.
Charging Status LED
Color Status
Green Charging Complete
Green/Red Charge level above 90%
Red Charging
Amber
Flashing
Fault: check connections and battery
Off No battery in bay
Important Tips for Care and Storage of Shure
Rechargeable Batteries
Proper care and storage of Shure batteries results in reliable performance
and ensures a long lifetime.
• Always store batteries and transmitters at room temperature
• Ideally, batteries should be charged to approximately 40% of capacity for
long-term storage
• During storage, check batteries every 6 months and recharge to 40% of
capacity as needed