23
Rechargeable batteries
Your radio uses a range of methods to ensure correct and safe
charging of Rechargeable Nickel-Metal-Hydride batteries.
These work to protect your batteries from excessive charge and
discharge. These protections can only work properly if the advice
above is followed. In particular, the radio will not be able to correctly
charge batteries if they are a mixture of different brands, or different
ages, or different capacities.
We recommend that all the rechargeable batteries used in your
radio are bought together as a set. They should always be charged
together and discharged together and not “borrowed” from time to
time for other applications. This will ensure that they give their opti-
mum performance in your radio.
We recommend that the rechargeable batteries that you use should
be from a quality brand, and should be of at least 2000mAh capac-
ity. Batteries of this capacity should be able to power your radio for
between 10 and 20 hours depending upon the volume of the radio,
whether DAB or FM mode is used (DAB mode uses slightly less
power than FM), and also depending on the condition of the batteries.
Before you rst install a new set of rechargeable batteries into your
radio you should rst make sure that the battery type switch beneath
the battery cover is in the NiMH position. Install the batteries arrang-
ing them as shown on the back of the radio. Plug the mains adaptor
into a mains socket and then into the radio. While the batteries are
charging the battery indicator should show a ashing green light.
When the batteries are fully charged the indicator will stop ash-
ing and will show a steady green light. The time taken to charge
the batteries will depend on how much charging they require. New
batteries may be partly charged when rst tted, but it is normal for
a set of batteries to take several hours to charge fully (this can be
between 5 and 8 hours depending on the battery capacity and their
initial state of charge).
If you use the radio powered from the batteries, the battery light will
be off until the batteries are exhausted. The battery light will then
show red for a short while before the radio switches itself off. It
does this in order that the batteries are not excessively discharged.
This would otherwise damage the batteries and shorten their life.
If you use the radio powered from the mains with rechargeable bat-
teries fitted, the charging process is suspended until you switch
off the radio When you switch off the radio using its On/Off but-
ton charging will then resume. If the batteries have already been
charged then they will only charge for a few more minutes before
the battery indicator stops ashing.
