Posts Tagged ‘sony vgp-bps2c’

To properly care for batteries (D)

April 27th, 2010

Battery-technical terms explained:

Battery :themSelf

Constantly discharged battery through chemical processes . The self is not only the battery type, but also on the temperature,such as sony vgp-bps5 and sony vgp-bps2c. The warmer the environment, the higher the self.

Capacity

The capacity indicates how long the battery can deliver a certain quantity of electricity. It is expressed in milli-ampere-hours (mAh) or ampere-hours (Ah).

Memory effect

In batteries, the longer time to be discharged only in part, small crystals are deposited onto the electrodes. This reduces the capacity of the energy donor. The memory effect is particularly common for nickel-cadmium Presario V4000 battery. Nickel-metal hydride batteries to know him only slightly. When the lithium-ion technology, it does not occur. He may be mostly reversed with repeated loading / unloading.

Energy density

The energy density is expressed in watt-hours per kilogram (Wh / kg). It describes how much energy is contained in a Ibm thinkpad t61 battery. The higher the value, the longer is a battery.

Internal resistance

A low internal resistance means great strength. At a very high internal resistance is however a battery very quickly tired.

Discharge

a battery is used until it is completely empty, so threatening discharge and discharge risk. Discharged cells can not be regenerated. Newer devices offer protection against this danger: turn off even before the Dell vostro 1510 battery is completely discharged.

Is the trend for the second battery?

March 17th, 2010

In recent days, there were more reports of extra Apple Battery hardware. Thus, the manufacturer Sanho has with its series HyperMac different battery packs to meet all current MacBooks (Magsafe connector) with supplies up to 31 hours additional power. Depending on battery power you have to carry about an additional weight of 360 – 2130 gram. In addition to the weight of the respective models are also proud Prices range from $ 200 to $ 500.

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Problems with the battery performance have iPhone owners complain about. Some time ago I have already discussed the Mophie Juice Pack Air reported, Which is expected to double the apple a1185 life. Just over 10 days I have this extra battery pack with arktis.de Orders for 79,90 €. Unfortunately, the Mophie Juice Pack Air, despite specifying a delivery time of 2-5 days has not arrived yet. Well, I hope that maybe next week I will find a small package in my Briefkaten.

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What about you? Do you like deciding zuzulegen for you a second (external) sony vgp-bps2c for your hardware? For me, a second battery for a MacBook does not come into question because the cost to me of the “Durchdiegegendtragens” would be too great. When I ordered the iPhone from the second battery-which is still acceptable

So for the iPhone and Macbook, I would like to have an affordable second battery, but only for “emergencies” and longer “traveling”. But now there really has power everywhere, right? And if I go there somewhere where there is no electricity, then I wanted to also determined to do that.

But I think for some applications is such an external auxiliary Dell inspiron 1520 battery justified. I certainly did not want to lug son part, apart from the extra battery for your iPhone .


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