Manual Graupner POLARON EX-1400 - GR-S2018 (page 4 of 29) (English)

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○ Batteries and / or cells that are not expressly approved by the manufacturer for the

charging currents occurring during charging with this charger.

○ Already fully charged or hot, or not completely empty cells or batteries.

○ Batteries or cells with integrated charging or disconnecting device.

○ Batteries or cells that are installed in a device or that are electrically connected to oth-

er components.

• To avoid short circuits between the banana plugs tted to the charge leads, please al-

ways connect the charge leads to the charger and only then to the battery! When discon-

necting, proceed in reverse order.

• When charging a transmitter, an interruption of charge can - even for short periods -, let

the charge voltage rise in such a way that the transmitter is destroyed by the overvoltage

immediately. Risk of re!

Notes on batteries handling

• Batteries, and also individual cells are not toys and should be kept out of the

reach of children.

Before each use, check the proper condition of the battery. Do not use defective

or damaged cells / batteries.

• Overcharging and deep discharge lead to irreparable damage to the cells and damage

permanently the capacity of the battery.

• Never store batteries uncharged, discharged or partially charged for long periods. Be-

fore storing batteries charge them and from time to time check charge status. NiMH cells

should be 1 V per cell and Lilo / LiPo cells should never be less than 3 V per cell, in order

to achieve an optimum service life.

• Overcharging also damages the capacity of the battery. Therefore do not charge any hot

or charged batteries again.

• High power charge and discharge shorten the life expectancy of the battery. Therefore,

do not exceed the rates stated by the manufacturer.

• Lead-acid batteries are not high power rechargeable. Never exceed the maximum charge

rate stated by the battery manufacturer.

• When buying batteries ensure good quality, rst charge new packs at low rates, and work

up gradually towards higher currents.

• Charge the battery just before you want to use them, the batteries are at their most pow-

er.

• Rechargeable batteries / cells must not be heated, burnt, short-circuited or overloaded

with excessive or reversed polarity currents.

• Batteries cells connected in parallel with combination of old and new cells, different fea-

tures as capacity and voltage, made by different manufacturers, brands or types should

not be used.

• A built-in battery in a device should be removed whenever the device is not used. Always

turn off equipment after use to avoid deep discharge. Recharge the batteries just for the

right time.

• The battery to charge should be placed when charging on a non-ammable, heat re-

sistant and non-conductive pad! Also ammable or highly ammable materials must be

placed away from the charging station.

• Batteries must be charged only under supervision. Observe the maximum specied

charge rate for the specic cell type. Charge current must never be exceeded.

• Should the battery heat during charge to more than 60 ° C, the charge must be stopped

immediately and the battery must be cooled to about 30 ° C.

• Never charge batteries that are hot or not discharged to the rated discharge voltage.

• No changes should be made to the batteries. Never solder or weld directly to the cells.

• Released electrolyte is corrosive, not allow contact with skin or eyes. In an emergency,

rinse immediately with plenty of water and then consult a doctor.

• Suitable extinguishing media are extinguishing blankets, CO2 estinguishers and sand.

• The valve openings of the cells must not be blocked or sealed in any case, for example

by soldering. When soldering do not exceed a temperature of 220° C and for a period not

longer than 20 seconds.

• To avoid deformation, do not produce an excessive mechanical pressure.

• If a battery is overheated, proceed as follows:

Disconnect the battery and place it on a non-combustible surface (stone oor) until it has

cooled. Never keep the battery in your hand to avoid the risks of re and / or explosion.

• Protect batteries from vibration, and do not expose to mechanical stresses.

• When charging and during operation of the batteries, they can generate explosive gas

(hydrogen), be careful with adequate ventilation.

• Never short circuit the batteries. This might cause re and / or explosion!

• Batteries may explode or burn through a defect. We therefore recommend that all lithium,

NiCd and NiMH batteries, should be charged in a LiPo safety case Order Nr. 8370 or 8371.

• Do not open batteries, chemical burn danger.

• NiCd or NiMH battery packs perform their best by rst individually all cells are dis-

charged separately and only then the entire battery pack is charged. Discharging should

be done by the charger cell by cell.

• Make sure that the charge-discharge are done properly.

•

Charging single NiCd or NiMH cells or batteries with 1 ... 4 cells, can be difcult

for the automatic shut-off. Since the onset after the full load point voltage drop is

not very pronounced, the automatic shut-off cannot or do not respond properly.

The correct operation cannot be guaranteed in this case. Be sure to check through multi-

ple, monitored test charges, if a proper shutdown occurs for the batteries you are using.

There is a serious re and / or explosion risk!

Capacity and use time

For all current sources applies: The capacity decreases with every charge. At low temperatures

the internal resistance increases reducing the capacity. As a result, the ability to provide power and

holding the voltage can be reduced.

Frequent charging and / or discharging programs can also lead to a gradual reduction in capacity.

However, current sources should be reviewed at least every 6 months on their capacity, and re-

place them if there is a signicant loss of capacity.

Use only genuine Graupner batteries!

Disposal of waste batteries

Every consumer is legally obliged under the German battery ordinance to return all used

and exhausted dry and rechargeable batteries.

Disposal in the household waste is prohibited. Old batteries can be brought to the public

collection points or given at our retail outlets and wherever batteries of the same type are sold. You

can return used batteries sent by us to the following address:

Graupner|SJ GmbH

Service: Gebrauchte Batterien

Henriettenstrasse 96

D-73230 Kirchheim unter Teck

You make a signicant contribution to environmental protection!

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Graupner POLARON EX-1400 - GR-S2018 Manual

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