Dealing with lithium batteries
PDAs, mobile phones and laptops usually
obtain their energy from lithium ion or lithium polymer batteries, currently
the most efficient power saving. Nevertheless, the term is often too short and,
after a year or two even sometimes significantly.
Should we be now in many places a vaunted
film buy miracle anti-aging, a spare or second battery purchase from cheap
suppliers or would the careful treatment of the Li -Ion batteries from the
outset to extend the life?
Despite fall in prices of mobile phone and
smart phone batteries cost around 40 euro small batteries and thus often more
than the subsidized mobile device. Discounters and online auctioneers step in
and offer replica batteries for a few euro. The cheap option to replace the old
weak battery, preclude reports of exploding phones, which were equipped with
such low electron spin.
Given the large number of batteries in
circulation but these are isolated cases. Meanwhile, customers agree with their
feet by increasingly rely on cheap batteries. No case was known of exploding
batteries lately. The mobile phone manufacturers try to counteract with tamper
proof stickers according to own data as holograms, the loss of revenue, even
with regard to quality assurance. Who needs a replacement battery for a few months,
perhaps because his mobile phone contract then promises him a new subsidized phone,
but it may well resort to cheap battery after our previous experiences.
Whether the cheap manufacturer of
rechargeable batteries actually save on the security or , for example, to
protect the electronics, it is difficult to prove . Unlike brake pads for cars
there for the Li -ion batteries to a New Directive has yet to give it placed an
admission office. Although it is known that these batteries also age, when they
are not in operation , lack of manufacture or expiry date on Lithium batteries
- very different way than cheap batteries from the supermarket, which all bear
a date .
Difference
Optimal care of the battery can make for
some users need to purchase an additional battery or at least postpone. That Li
-Ion batteries lose two to three years to noticeably capacity, is only a rule
of thumb. If a battery lasts a year or five years , depending on the processing
and the careful use and temperature. Chemical change in the electrolyte, and
oxidation of the electrodes according to experts, the main cause of aging.
Which battery is reprocessed, the customer
can not find. When laptop battery we have seen in recent years, large
differences in life in devices from different manufacturers - which hold as
long battery, you do not know in advance. On the manufacturing side is covered
and one is rather take the battery out of the warranty period or for a shorter warranty.
Despite this unsatisfactory situation, the
user can counteract the limited battery aging. If the battery in the notebook
is not in use, should be stored externally, because the notebook housing is the
worst possible place to keep: the warmer the battery, the faster it ages. Depending
on your notebook model, the body rises considerably during operation.
Nursing care
You should store the battery charged
halfway best in the fridge - but not in the freezer. One of the advantages of
lithium ion batteries is their low self-discharge of a few percent per month
compared to about Nickel metal hydride. It is therefore sufficient to recharge
the battery when not in use every few months. Basically because of aging also
brings with optimal storage little, looking to buy a battery supply.
Unfortunately wobble after removing the
battery for a few notebooks, because then , for example, lacks a stand or
because the battery as a counterweight to the folded-up display required - no
longer a functioning battery in this case prefer not to dispose of .
Around the extension of battery life and
battery life, the company's Battery Life has knitted his business idea: A dark
film called Activator to bring old batteries in cell phones and laptops into
shape. Nanocrystals to reduce radiation by cavity ion deposits on the
electrodes, the imaginative explanation battery Life promises "... up to
30 % longer standby time ... up to 30% longer battery life." A minimum
specification is not the manufacturer promises.
We made it to the test and took three
elderly notebooks to the test: with battery of the same year and Asus P6300
with 58- Wh battery, Asus L8400 established in 1998 with 49- Wh battery of 2001
, Apple PowerBook G3. 7-9 charging cycles over a period of one to two months,
first performed without foil, then 12 to 16 measurements with glued foil. Than
one charge cycle per day took place.
Averaged over all measurements in each case
with and without film we could not detect any effect within the measurement
accuracy: The average duration of the Asus L8400 remained at 81 min, the Apple
PowerBook deteriorated slightly from 43 to 41 min and the Asus P6300 ran 169
minutes and 165 minutes without foil.
According to our results, the expenditure
Battery Life films are therefore a waste of money. The company performs a study
(four discharges over a 30 - ohm resistor) support in the field. So, if the laptopbattery is dead, we need only to buy a new one.
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