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EGSN014U |
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Li-ion battery charger |
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| More Info |
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ECSN001D |
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4300mAh |
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Replacement for SONY NP-QM91D Camcorder Batteries and Charger
save more US $2.00 ! |
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ECSN018D |
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1500mAh |
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Replacement for SONY NP-FM50 Camcorder Batteries and Charger
save more US $2.00 ! |
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ECSN020D |
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3000mAh |
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Replacement for SONY NP-QM71 Camcorder Batteries and Charger
save more US $2.00 ! |
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| More Info |
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ECSN022D |
| Capacity: |
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4300mAh |
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Replacement for SONY NP-QM91 Camcorder Batteries and Charger
save more US $2.00 ! |
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| More Info |
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ECSN042D |
| Capacity: |
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3000mAh |
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Replacement for SONY NP-QM71D Camcorder Batteries and Charger
save more US $2.00 ! |
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battery chargers |
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We offers a wide variety of battery chargers for all of your needs. Our chargers are so convenient that they can be charged in the car or in your home, even on airplanes. |
| CANON Battery Chargers |
SONY Battery Chargers |
NIKON Battery Chargers |
JVC Battery Chargers |
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| KONICA MINOLTA battery Chargers |
KYOCERA YASHICA battery Chargers |
FUJIFILM battery Chargers |
PANASONIC battery Chargers |
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Difference between a rapid battery charger and a fast battery charger
Both terms are essentially meaningless. There is no standard in the industry, so manufacturers can use the terms in different ways. One of the problems with terms like these is that the amount of time it takes to charge a battery is dependent on the capacity of the battery being charged. A charger that can charge a standard capacity AAA NiCD battery (180 mAh) in just one hour might take 8 hours to charge a high capacity NiMH (1500 mAh) battery. It's best to ignore such terms and make a rough calculation of how fast a charger can charge batteries. |
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Charging Schemes
Getting the charge into the SONY NP-FM71 battery (Charging)
Optimising the charging rate (Stabilising)
Knowing when to stop (Terminating)
SONY NP-FM71 Battery charger scheme is a combination of the charging and termination methods.
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SONY NP-FM71 Battery Charger Power Sources
When specifying a charger it is also necessary to specify the source from which the charger derives its power, its availability and its voltage and power range. Efficiency losses in the charger should also be taken into account, particularly for high power chargers where the magnitude of the losses can be significant. Some examples are given below. |
| Controlled Charging
AC Mains
Many portable low power chargers for small electrical appliances such as computers and mobile phones are required to operate in international markets. They therefore have auto sensing of the mains voltage and in special cases the mains frequency with automatic switching to the appropriate input circuit.
Higher power applications may need special arrangements. Single phase mains power is typically limited to about 3 KW. Three phase power may be required for charging high capacity batteries (over 20 KWh capacity) such as those used in electric vehicles which may require charging rates of greater than 3 KW to achieve reasonable charging times.
Regulated DC Battery Supply
May be provided by special purpose installations such as mobile generating equipment for custom applications.
Opportunity Charging
Opportunity charging is charging the battery whenever power is available or between partial discharges rather than waiting for the battery to be completely discharged. It is used with batteries in cycle service, and in applications when energy is available only intermittently.
It can be subject to wide variations in energy availability and wide variations in power levels. Special control electronics are needed to protect the battery from overvoltage. By avoiding complete discharge of the battery, cycle life can be increased.
Availability affects the battery specification as well as the charger.
Typical applications are:
Onboard vehicle chargers (Alternators, Regenerative braking)
Inductive chargers (on vehicle route stopping points)
Solar power
Wind power |
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| Camcorder batteries |
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| NEW battery chargers |
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| Charger for SONY NP-F550 battery |
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Fits Battery Code: NP-F330, NP-F560, NP-F570, NP-F730, NP-F750, NP-F770, NP-F930, NP-F960, NP-F970... |
US $ 23.52 US $ 15.19  |
| Charger for SONY NP-FM50 batteries |
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Fits Battery Code: NP-FM30, NP-FM51,NP-FM70, NP-FM71, NP-FM90, NP-FM91, NP-QM51, NP-QM70, NP-QM71, NP-QM91... |
| US $ 29.46 US $ 17.59 |
| Charger for CASIO NP-30 battery |
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Fits Battery Code: FUJIFILM NP-60, KODAK KLIC-5000, OLYMPUS LI-20B, PANASONIC CGA-S301, SAMSUNG SB-L1037... |
| US $ 22.98 US $ 15.19 |
| Charger for PANASONIC CGA-DU07 |
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Fits Battery Code: CGA-DU06, CGA-DU14, CGA-DU21, VW-VBD070, VW-VBD140, VW-VBD210... |
| US $ 22.68 US $ 15.19 |
| Charger for SAMSUNG SB-L110 |
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Fits Battery Code: SB-L110A, SB-L160, SB-L220, SB-L320, SB-L480, SB-L70A, SB-LS110,SB-LS220... |
| US $ 21.96 US $ 15.19 |
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