VOLTCRAFT LiPo-Balancer E4 Operating Instructions Manual

Brand: VOLTCRAFT

Model: LiPo-Balancer E4

Category: Battery chargers

Type: Operating Instructions Manual

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 OPERATING INSTRUCTIONS

INTENDED USE

The charger is solely designed for private use in the model construction area, for charging

rechargeable batteries with 1-4 lithium polymer cells (LiPo) and the operating times associated

with it.

Use other than that described above will lead to damage to the product and may also involve

additional risks such as short circuit, fire, electrical shock, etc. The safety information and all

other information in these operating instructions must always be adhered to!

This product complies with the statutory national and European requirements. All company

PRODUCT DESCRIPTION

The LiPo-Balancer battery charger E4 is designed for charging rechargeable batteries with 1 - 4

lithium polymer cells (LiPo). It has an integrated balancer, automatic recognition of the cell

number of the connected rechargeable battery and automatic switch-off when the battery is fully

charged. The charger must be operated with a stabilised direct voltage (11 - 15 V/DC). The

charging current can be selected infinitely variable between 0.1 A and 4.5 A. For cell number

display and current function, the charger is equipped with four LEDs.

OPERATING AND CONNECTION ELEMENTS

1 LED display for cell 1

2 LED display for cell 2

3 LED display for cell 3

4 LED display for cell 4

5 DC connection socket for supply voltage

6 Rechargeable battery charging sockets

7 Balancer connection for 4-cell rechargeable

batteries

8 Balancer connection for 3-cell rechargeable

batteries

9 Balancer connection for 2-cell rechargeable

batteries

10 „Start/Stop“ button

11 Rotary control for charging current

SCOPE OF DELIVERY

• Battery charger

• 12 V connection cable with DC plug and alligator clamps

• Rechargeable battery connection cable with 4 mm banana plug and open cable ends

• Operating instructions

EXPLANATION OF SYMBOLS

The symbol with the exclamation mark points out particular dangers associated with

handling, function or operation.

The „arrow“ symbol indicates special advice and operating information.

SAFETY INFORMATION

The guarantee/warranty will expire if damage is incurred resulting from non-

compliance with the operating instructions! We do not assume any liability for

consequential damage!

We do not assume any liability for property damage and personal injury caused

by improper use or non-compliance with the safety instructions! In such cases

the warranty/guarantee will expire.

Dear customer, the following safety information is intended not only for the protection

of your health but also for the protection of the device. Please read the following items

carefully:

• For safety and licensing reasons (CE), unauthorised conversion and/or modification

of the device is not permitted.

• The product is not a toy and must be kept out of the reach of children! The product

may only be set up, used or stored in places that are not accessible to children. The

same applies for rechargeable batteries.

• Children could change the settings or short-circuit the rechargeable battery/battery

pack, which can lead to an explosion. Danger to life!

• The product is intended for dry indoor use only. It must not become damp or wet.

However, do not use the battery charger inside a vehicle.

• Select a stable, flat surface which is large enough and smooth. Never place the

battery charger and the battery on a flammable surface (e.g. carpet). Always use a

suitable, non-flammable, heatproof surface, e.g. a stone tile).

• Maintain enough distance from flammable objects. Leave enough distance between

the charger and the rechargeable battery - never place the rechargeable battery on

the charger.

• Ensure that there is sufficient ventilation during operation. Never cover the battery

charger and/or the connected rechargeable battery.

• Avoid operation in direct proximity of strong magnetic or electromagnetic fields,

transmitter aerials or HF generators. This can affect the control electronics.

• Never operate the device immediately after it was taken from a cold room to a warm

room. The resulting condensation may lead to malfunctions or damage! Allow the

charger (and the rechargeable battery/batteries) to reach room temperature before

connecting the charger to the power supply and using it. This may take several

hours!

• Do not expose the device to direct sunlight, high temperatures (>35 °C) or extreme

cold (<0 °C). Keep it away from dust and dirt.

• Do not place any containers filled with liquid, vases or plants, on or next to the

charger. If they call over, this may destroy the charger and there is a high risk of

fire.

• Do not operate the product unattended. Despite a considerable number of

protective circuits, it is impossible to exclude the possibility of malfunctions or

problems during the charging process.

• Only operate the product in moderate climate, never in tropical climate. For more

information on acceptable environmental conditions, see the chapter „Technical

Data“.

• Services, adjustments and repairs must only be carried out by a specialist/specialist

workshop. The device contains no parts that require servicing or adjusting by you.

• Handle the product with care - hits, knocks or falls from even a low height may

damage the product.

• In schools, training centres, hobby and self-help workshops, the handling of

chargers and batteries must be responsibly supervised by trained personnel.

• If you have reason to believe that the device can no longer be operated safely,

disconnect it immediately and make sure it is not unintentionally operated.

It can be assumed that operation without danger is no longer possible if the device

has any visible damage, the device no longer works, after extended storage under

unsuitable conditions or after difficult transport conditions.

• Do not leave the packaging material lying around carelessly since such materials

can become dangerous toys in the hands of children.

• Rechargeable batteries must not be short-circuited, taken apart or thrown into fire.

There is a risk of fire and explosion!

• Leaking or damaged rechargeable batteries may cause caustic burns if they come

into contact with skin. Therefore you should use suitable protective gloves for this.

• Please observe correct polarity (plus/+ and minus/-) when connecting the

rechargeable battery to your model or charger. Connecting the battery incorrectly

will not only damage the model but also the rechargeable battery. There is a risk of

fire and explosion!

• Also observe the safety information of the rechargeable battery manufacturer.

If you are not sure about the correct connection or operation, or if there are any questions that

are not covered by the operating instructions, do not hesitate to contact our technical support or

another specialist.

Voltcraft®, Lindenweg 15, D-92242 Hirschau, Phone +49 180/586 582 7.

LIPO BALANCER BATTERY CHARGER „E4“

ITEM NO. 23 87 84



VERSION 05/11

Figure 1

TAKING THE CHARGER INTO OPERATION

First make a suitable charging cable. For this,

a prepared cable (12) with two 4 mm banana

plugs (13) is open cable ends (14) is included

with the charger. Attach suitable plug

connectors to the open cable ends. They must

match the high-current plugs used at the

rechargeable batteries. Ensure that the

contacts of the plug connector to the cable are

secure, as well as correct polarity. Red =

plus/+ and black = minus/-!

The two connection cables (12 and 16) in

figure 2 are displayed coiled for photo-

technical reasons only. The two cables must

be used uncoiled for taking the charger into

operation.

LiPo rechargeable batteries with more than 1 cell usually have a balancer connection. This

connection is used for monitoring of every single cell by a charger or balancer and protecting it

from over-charging. If the rechargeable battery to be charged has such a balancer connection,

this connection is to be connected to the charger every time the battery is charged.

The charger has an integrated balancer with three JST-XH connection sockets (7, 8 and 9).

Since there are different balancer plug systems depending on rechargeable battery

manufacturer, you will require an adapter cable if the balancer connection of the rechargeable

battery to be charged does not fit.

Attention!

For charging, observe the warning notes of the rechargeable battery manufacturer

regarding maximum charging current and maximum permissible temperature of the

rechargeable battery.

• Connect the DC plug (15) of the included 12 V connection cable to the DC connection socket

of the charger (6). Then connect the alligator clamps (17) of the connection cable to a suitable

12 V/DC voltage source (stabilised mains adapter or car battery).

Important!

Always ensure correct polarity of the connection line! The red clamp must be

connected to the plus pole, the black clamp to the minus pole of the voltage source.

• The charger only emits a brief signal after connection to the voltage source and the four

display LEDs (1, 2, 3 and 4) flash green and red alternatingly. The charger is now ready for

operation.

• Connect the banana plug (13) of the charging cable (12) to the charging sockets of the

charger (6) and connect the rechargeable battery to be charged with the charging cable.

Attention!

Only connect the rechargeable battery to the charging cable after the 4 mm banana

plugs of the charging cable are connected to the charger. Otherwise, loose banana

plugs may come into contact and cause a dangerous short circuit!

• Then connect the rechargeable battery’s

balancer plug (18), which is protected

against polarity reversal, to the respective

balancer connection of the charger (7, 8 or

9). The two tabs (19) must point upwards.

The charger now recognises the cell

number of the connected rechargeable

battery. As a sign for this, the LEDs (1 – 4)

will flash red, depending on number of cells.

The remaining LEDs remain dark.

Since a single-cell LiPo battery has no balancer connection, in this case, the rechargeable

battery only has to be connected with the charging cable. The charger recognises the

rechargeable battery from the voltage situation and the LED display (1) flashes red.

Attention!

For a multi-cell rechargeable battery, always connect both the charging cable and the

balancer plug to the charger. Never try connecting the balancer plug to a connection

not intended for this.

• Now use the rotary control for the charging current (11) to set the desired charging current.

For this, the rotary control has a red marker arrow. Always observe the technical data and

notes of the rechargeable battery manufacturer to avoid setting the charging current too high.

Attention!

If the maximum permissible charging currents are exceeded, there is a danger of

destroying the rechargeable battery. There also is a danger of fire and explosion!

If you have no rechargeable battery manufacturer information, charge the battery with a

current corresponding to the capacity value (1C). For a rechargeable battery with a charging

current of 1000 mAh, the charging current in this case in 1000 mA or 1A. For a rechargeable

battery with 2100 mAh, the charging current would be 2.1 A.

If the rechargeable battery capacity is above 4500 mAh, the battery can be charged with

the max. possible charging current of 4.5 A. This will, however, extend the charging time.

• After verifying all settings and connections, you can start the charging procedure by pressing

the button „Start / Stop“ (10). The charger confirms pressing of the button with a short signal

sound.

• The LEDs (1 - 4) will light red permanently during charging according to the number of cells in

the connected rechargeable battery. The remaining LEDs remain dark.

The charging process can be interrupted at any time by pressing the button „Start / Stop“

again. Every operation of a button is confirmed by a short signal sound. When the

charging process is interrupted, the LEDs for cell indication will flash red.

• When the charging process is completed, the LEDs will change from red to green and the

charger will emit continuous acoustic signals. Now press the button „Start / Stop“ (10),

disconnect the rechargeable battery and the charger from the voltage source.

LED DISPLAY OVERVIEW

• The LEDs flash red and green alternatingly

The charger was connected to supply voltage and is ready for operation.

• The LEDs 1 - 4 flash red, depending on number of cells of the rechargeable battery

The rechargeable battery is connected to the charger and the charging process was not yet

started or was interrupted.

• All 4 LEDs flash red and an acoustic signal sounds

Charging was started without any rechargeable battery connected.*

• All 4 LEDs flash red in a rhythm of 2 and an acoustic signal sounds

The charging current circuit or the balancer connection was interrupted (loose connection or

broken cable).*

• All 4 LEDs flash red in a rhythm of 3 and an acoustic signal sounds

The operating voltage is above or below the permissible operating voltage range.*

• The LEDs 1 – 4 are lit green, depending on number of cells of the rechargeable battery,

and the charger emits signal sounds

Charging is successfully completed.

* After removing the cause of the error, charging can be resumed by pressing the button „Start /

Stop“ (10) twice.

DISPOSAL

a) Product

Electronic devices are recyclable waste and must not be disposed of in the household

waste! Dispose of the product according to the applicable statutory provisions at the

end of its service life.

b) Batteries and Rechargeable Batteries

You as the end user are required by law (Battery Ordinance) to return all used batteries/

rechargeable batteries. Disposing of them in the household waste is prohibited!

Batteries/rechargeable batteries that contain any hazardous substances are labelled

with the following icons to indicate that disposal in domestic waste is forbidden. The

descriptions for the respective heavy metal are: Cd=cadmium, Hg=mercury, Pb=lead

(the names are indicated on the battery/rechargeable battery, e.g. below the dust bin

icons shown to the left).

You may return used batteries/rechargeable batteries free of charge at the official

collection points of your community, in our stores, or wherever batteries/rechargeable

batteries are sold.

You thus fulfil your statutory obligations and contribute to the protection of the environment.

TECHNICAL DATA

Power supply ...................................... 11 - 15 V/DC

Suitable rechargeable battery types .. Lithium polymer batteries

Number of cells ................................... 1 to 4 cells

Charging current ................................. 0.1 to 4.5 A (infinitely variable)

Maximum charging performance ....... 40 W

Ambient temperature .......................... 0 °C to +35 °C

Ambient air humidity ........................... Max. 90% rel. humidity, non-condensing

Dimensions ......................................... 104 x 62 x 31 mm

Weight ................................................. 94 g





Figure 2

Figure 3

 Legal notice

These operating instructions are a publication by Voltcraft®, Lindenweg 15, D-92242 Hirschau/Germany, Phone +49 180/586 582 7

(www.voltcraft.de).

All rights including translation reserved. Reproduction by any method, e.g. photocopy, microfilming, or the capture in electronic data

processing systems require the prior written approval by the editor. Reprinting, also in part, is prohibited.

These operating instructions represent the technical status at the time of printing. Changes in technology and equipment reserved.

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VOLTCRAFT LiPo-Balancer E4 Operating Instructions Manual

Brand: VOLTCRAFT

Model: LiPo-Balancer E4

Category: Battery chargers

Type: Operating Instructions Manual

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