12
Instructions for the use of LiPo Batteries
Technical data
Case:
The case of the cells consists of an aluminium-plasticfoil. This foil
should not be damaged under any circumstance, because this will
lead to a damaged cell. Take care of sufficient protection (i.e. vib-
rations) in the model. If damaged, they might leak, avoid contact
under all circumstances.
Overcharging:
If charging does not stop because of any damage to the char-
ger the battery may catch fire. Therefore supervise the charging
process frequently.
Speed charging:
Speed charging is not possible. The charging voltage for these
cells must be followed.
Charging temperature:
0 to +45 degrees outside temperature. During charge, the bat-
tery should not get warmer than 70 °C. Supervise the charging
process with help of the JAMARA Thermo Scan 3000 ( Non-touch
infrared thermometer) Order No. 17 0133.
Discharging temperature:
-20 to +60 degrees: Flying in winter is therefore possible. At tem-
peratures beneath 0 degrees, it is likely that the capacity may be
reduced by approx. 20% and the discharge level may be smaller
as well
Lifetime:
Very user-dependent.
Storage:
The cells need to be between half full and full charged. The sto-
raging of empty cells will lead to their destruction. New cells are
therefore half full.
Charging time:
Charging will take approx. 20 min.
The incl. charger has an automatic charging stop.
Important Notice
Read the manual and the safety precautions for the
Lithium-Polymer-Cells properly.
- Litium-Polymer-Cells have no memory-effect
- Lithium-Polymer-Cells are recharged with a constant voltage and a
constant power
- Lithium-Polymer-Cells have a small self-discharging Voltage
Liability exclusion
Jamara e.K. assumes no liability in case of wrong usage or operation
of the product, respectively of all injuries.
The customer alone is in charge of the cell, this includes from the
recharging process up to the choice of place of use.
If the customer is not satisfied with the terms of usage, he may use
his right to return the unused product to the dealer.
Lithium-Polymer-Cells may only be stored and recharged, on fireproof
non-flamable grounds. Jamara e.K. recommends to recharge the cells
only with the transmitter. When using an other charger or when using
the permitted charger incorrect, no liability can be taken. Because of
their enormous power-compactivity Lithium-Polymer-Cells are flamea-
ble when damaged. This can happen through extrem overcharging, a
crash or a mechanical damage etc. Therefore, it is extremly important
to supervise the recharging process. After a crash the cell/pack should
be checked carefully. For example the cell/pack could have been da-
maged, but doesn‘t heat up before 30 minutes. So, in case of a dama-
ge at one pack or a cell always strictly supervise.
If the cell overheats, swells, burns or smoke is coming from it,
do not touch it under any circumstances. Keep away in a safe
distance and prepare adequate extinguishing agents such as
dry powder or sand.
Safety precausions
Because of the high power compactivity (up to 150 Wh/kg) the cells
are quite dangerous and need special care! The company Jamara
excludes explicitly, all types of liability for damages, that can occure
when using the Lithium-Polymer-Cells unproperly.
- When using the battery incorrect there is a risk of getting fire- or
acid-injuries.
- Overcharging, too high power, or discharging at low level
destroys the cell.
- Protect from mechanical stress (squeezing, pushing, bending,
drilling).
- Never open or cut open, do not throw into fire, keep away from
children.
- Handle damaged or leeking battery with care. Injuries or damages
to the gear can occure.
- Under no circumstance short-circuit the device and always watch
polarity.
- Protect batteries from heat above 65 °C , mount away from hot
objects (for example exhaust pipe).
- Before storing batteries (for example in the winter) charge the
battery. Do not store in fully charged or in non charged state!
- If stored over a longer period of time, observe the power level
occasionally.
- The contents of the cell is harmfull for skin and eye.
- If the content comes into contact with skin, clean with plenty of
water and take off moisted clothes.
- If the content comes into contact with the eyes, clean with
plenty of water and consult a doctor.
Summary of Contents for E-Rix 450
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