HP105/HP405 User manual
Page. 15
Care and Maintenance
Battery Packs
Information on rechargeable batteries
• When the battery pack is new it doesn’t provide 100% of its efficiency; it means that it might be
discharged earlier. To reach the full battery life you have to “run-in” the battery with at least 3-4
deep charging/discharging cycles, after that it will reach its maximum capacity. Please see
“Properly charge of battery packs” for further details.
• Should you properly use the battery pack, you will obtain at least 400 charging/discharging cycles
(300 with the optional rapid charger). The battery duty will progressively reduce after 2/3 of its life
(approx.).
• Rechargeable battery packs lose their charge with the time if left unused (self discharge); this is
normal. A NiMH (Nickel Metal Hydrate) battery can reduce 10 to 20% of its stored energy in few
days.
Properly charge of battery packs
1) Ensure that the radio is switched off,.
2) Insert the radio into the cradle as explained in the paragraph “Charging the battery pack”
3) Wait the necessary time to provide a full charge. If the pack isn’t completely discharged you will need
less than 8 hours.
"
Don’t overcharge the battery: always remember to remove the radio after the necessary time.
"
The battery charger is for indoor use only.
!
When possible, charge the battery when it is fully discharged or, at least, you have used it for the
major part of its duty; otherwise the battery’s duty could be temporarily reduced. Please see the
paragraph “Memory effect”.
!
Don’t remove the radio before the necessary time, otherwise the battery’s duty could be
temporarily reduced. Please see the paragraph “Memory effect”.
Memory effect
The supplied NiMH (Nickel Metal Hydrate) battery pack is made with a more advanced technology than
normal NiCd (Nickel Cadmium) battery. For this reason it is virtually free of what is called “memory effect”,
which affects NiCd batteries. Memory effect is a temporary capacity reduction which reduces the battery
duty. Memory effect may occur just if you regularly charge the battery when you haven’t discharged it at
least at 50-70%. Memory effect can be easily avoided by following these simple rules:
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