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3(EN)
Cooling fan
An internal cooling fan turns on whenever the BC-L120 is
charging a battery pack or supplying power to an external
device.
• This unit is designed for charging Sony lithium-ion battery
packs (BP-L40A/L60A/L90A).
• The DC-L1 (NP-1B adaptor) and DC-L90 (BP-90A
adaptor) cannot be used to charge nickel-cadmium battery
packs.
Charging system
The BC-L120 uses a new system that first charges each
connected battery pack to 80% capacity, in sequence. It then
simultaneously charges all battery packs to 100% capacity. In
this way, it achieves more efficient and faster charging than
conventional systems in which each battery is charged to 100%
capacity before the next battery is charged. Details about the
new system and the charging times are given below.
Conventional charging systems (charging of four BP-
L60A units)
Charging level
Charging
battery pack
1 (150
minutes)
Charging
battery pack
2 (150
minutes)
Charging
battery pack
3 (150
minutes)
Charging
battery pack
4 (150
minutes)
Charge
time
Each battery pack is charged to 100% capacity
in sequence.
Total 600
minutes
Содержание BC-L120
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Страница 44: ...Sony Corporation B P Company Printed in Japan 2002 06 13 2000 BC L120 SY 3 205 006 03 1 ...