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SF SBO Telefunken HRM-7000 HRU-7000 →
This high-capacity battery has the standard form factor of
222 × 148 × 51 mm, and weights 2.2 kg. It is housed in a die-cast aluminium
enclosure that consists of two case shells, held together by four hex-screws
at the corners. A silicone sealing makes the device watertight.
At the bottom is a connector with three contacts on which the
battery voltage of 16.8V is available. It has a rubber sealing to
make it watertight when fitted to the HRU-7000 transceiver.
The battery has a capacity of 20Ah, which should be sufficient for
at least three days of 'normal' use.
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The BPU-7000 cannot be recharged, but is constructed in such a way
that it can easily be reused. Users are instructed
not to dispose them after use, but send them back through the regular
logistic channel. To avoid fire hazard, the battery should first
be fully discharged in a controlled manner. This is done by toggling
the internal discharge switch
and wait until the LED is off.
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The BPU-7000 was designed especially for use with the
HRU-7000 transceiver as part of the
HRM-7000 manpack. It is fitted to the lower half
of the transceiver and is held in place by four metal stubs
(cast in the body of the HRU-7000), and two spring-loaded
clips at the sides.
When fitted to the HRU-7000, the battery is watertight.
Various alternative batteries are available, including
rechargeable NiCd and NiMH versions, albeit with a lower capacity.
➤ More information
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Inside the battery are 12 high-capacity LiMnO2 power cells,
connected in series to deliver a nominal voltage of 16.8V.
The cells are similar in size to regular 1.5V type D batteries
(monocell), and are glued inside the bottom case shell by means
of a strong black Araldite compound.
Exhausted batteries can be given a new lease of life, by removing
the existing cells and replacing them with new (preferably
rechargeable) ones. Alternatively, it might be possible to convert
an exhausted battery into a mains power supply unit (PSU).
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Device Proprietary non-rechargeable battery Purpose Powering HRU-7000 transceiver Model BPU-7000/1 Manufacturer TST Part of HRU-7000, HRM-7000, FS-5000/M Voltage 16.8V Material LiMnO2 Capacity 20Ah Cells 12 Rechargeable No Dimensions 222 × 148 × 51 mm Weight 2.2 kg
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© Crypto Museum. Created: Friday 27 December 2024. Last changed: Friday, 27 December 2024 - 17:42 CET.
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