Detachable Battery Pack BU-11 - Sumitomo Electric Industries, Ltd.
Detachable Battery Pack BU-11
Jul. 13, 2015
The Detachable Battery Packs, BU-11 series are
specifically designed for SUMITOMO Fusion Splicers,
TYPE-71 series, TYPE-81 series, TYPE-Q101 series
and T-55.
Part No.
Applicable fusion splicer
TYPE-71 series, TYPE-81 series, TYPE-Q101 series and T-55
Lithium-ion battery
Output voltage (rated)
Battery capacity (rated)
Battery capacity indicator
Battery charger (Option)
BC-11 (with optional AC adapter, ADC-1430S)
Typ. 500 cycles
Battery lifespan (Charge cycles)
Operating condition
-10 to +50 degree C/ Non-condensing
82(W) x 122(L) x 22(H) mm
Approx. 210g
Approx. 340g
■Specifications are subject to change without prior notice.
©2015 Sumitomo Electric Industries, Ltd. All Rights Reserved
Precautions for Battery Pack
Jul. 13, 2015
Paying attention to just a few pointers will pay off with a longer battery lifespan and
battery life for your fusion splicer. The most important thing is to keep your battery
out of the sunlight or a hot car (including not leaving it locked up in a hot trunk during
summer). Heat will degrade your battery’s performance the most.
■ Temperature
Too Cold
Too Hot
Charge : 0 to +40℃
Discharge : -10 to +50℃
Storage : -20 to +50℃ (if stored for less than 1month)
-20 to +40℃ (if stored for less than 3months)
-20 to +20℃ (if stored for less than 1year)
■ Battery lifespan (Charge cycles)
-“Battery life” means the time your fusion splicer will run before it must be recharged.
-“Battery lifespan” means the total amount of time your battery will last before it may need to be replaced.
Battery lifespan is based on the number of charge/discharge cycles your battery is capable of to retain
more than 70% of its original capacity.
-Battery lifespan vary by use, environment, settings and many other factors.
■ Use your battery regularly
-To extend battery lifespan and keep battery indicator accuracy, be sure to go through at least one charge
cycle per 3months (charging the battery to 100% and then completely running it down).
-If you are not going to use the splicer, remove the battery pack from the splicer.
©2015 Sumitomo Electric Industries, Ltd. All Rights Reserved
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