BCDC Range Redarc Brochure

User Manual: BCDC Range product-flyers | REDARC Electronics

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www.redarc.com.au

MADE IN AUSTRALIA

REDARC

In-vehicle

Dual Battery

Chargers

REDARC’s range of In-vehicle Dual Battery Chargers are

designed, built and tested in Australia for our unique

conditions to make sure they won’t let you down.

With features like fully sealed construction and fan-free

cooling - water, dust and vibration are no match for the

In-vehicle Dual Battery Charger, you can be assured they

can handle the roughest tracks in outback Australia and the

deepest water crossings at Cape York.

REDARC’s knowledge of Australian conditions is engineered

into every unit. Models in the BCDC and LFP In-vehicle

Dual Battery Charger range operate up to a market-leading

80°C meaning they are going to work in even the most

extreme heat of the Simpson Desert.

A higher operating temperature and compact in size also

allows for flexible installation options, from the engine bay

to inside a van or camper trailer.

Look at all the benefits…

 Multi-stage charging saves you money

by maximising battery life

 Increase run time of loads like fridges and lights

 Allows for flexible installation in 12 or 24 volt vehicles

 Overcomes voltage drop caused by long cable runs

Built tough for

Australian conditions

®

The BCDC and LFP In-vehicle Dual Battery Charger range

The REDARC BCDC & LFP ranges feature a wide 9-32 volt input range, allowing an auxiliary battery to

be charged from either a 12 or 24 volt vehicle electrical system. All models incorporate dual battery

isolation as well as fault recognition that includes protection against voltage spikes, overheating and

reverse polarity connection, to ensure complete protection of all your batteries.

12 volt auxiliary battery chargers

There are four different output current options to choose from - 6, 20, 25 or 40 amp - to charge

lead acid auxiliary batteries while driving. The 25 and 40 amp models also feature a fully

integrated MPPT solar regulator, extracting the maximum amount of power from solar panels

to charge an auxiliary battery, even during low light conditions.

SOLAR

WITH MPPT

REGULATOR SOLAR

WITH MPPT

REGULATOR

BCDC1206 BCDC1220, BCDC1220-IGN BCDC1225, BCDC1225-LV BCDC1240, BCDC1240-LV

24 volt auxiliary battery chargers

To meet the demands of 24 volt auxiliary battery charging, a 24volt, 20amp charger is available.

It also features a fully integrated MPPT solar regulator.

The BCDC2420 is ideally suited for charging 24 volt battery banks used for powering electric

hydraulic pumps, tailgate lifters, spreader decks, ramps and sleeper cab air-conditioning systems.

The applications are endless.

SOLAR

WITH MPPT

REGULATOR

BCDC2420

12 volt auxiliary lithium iron phosphate chargers

The lithium iron phosphate (LFP) range has been developed specifically for LiFePO4 12 volt auxiliary

batteries and have a unique, two stage charging profile.

Lithium batteries require a specific charging condition in order to operate correctly, the battery

itself must have an in-built cell management system. REDARC have designed a charging profile

to complement these in-built systems. There is the option of 25 or 40 amp charging output, to

suit the battery size, required charge rate and application.

The LFP chargers also feature a fully integrated MPPT solar regulator.

SOLAR

WITH MPPT

REGULATOR SOLAR

WITH MPPT

REGULATOR

LFP1225, LFP1225-LV LFP1240, LFP1240-LV

The extensive range of BCDC and LFP In-vehicle Dual Battery Chargers are designed and

manufactured in Australia for Australian conditions. Regardless of which charger you choose,

you’ll be assured of the high quality and reliability that comes with every REDARC product.

®

With more and more electrical devices being used when travelling around Australia,

along with more complex vehicle electrical systems, having the right battery charging solution

has never been more important.

The REDARC range of BCDC and LFP In-vehicle Dual Battery Chargers ensure optimum

performance of electrical equipment such as fridges, lights, CPAP machines and even

hydraulic pumps when they’re powered from a dual battery setup.

By employing a unique, multi-stage charging algorithm, BCDC and LFP In-vehicle Dual Battery

Chargers have been designed to charge any commonly-used automotive auxiliary battery to

100% while you’re on the move and from solar (if available) when you’ve stopped.

Unique

charging profile

Most vehicle alternators are not designed to

fully charge an auxiliary battery, an insufficient

charge rate will, at best, shorten the life and

performance of the auxiliary battery but may

result in the battery being flat when least

expected.

Whether you need an auxiliary battery for

leisure or business, you need an auxiliary

battery charger you can really rely on, the

REDARC BCDC or LFP in-vehicle battery

charger will ensure your auxiliary battery

will achieve and maintain an optimal charge

regardless of its type or size.

The charging algorithm has also been

independently verified and tested to ensure

battery life is maximised.

Charging algorithm

The BCDC In-vehicle Battery Charger range

features a three stage charging algorithm.

When the vehicle has started charging the main

battery and it reaches the required voltage level

the BCDC charger will commence charging

the auxiliary battery in boost, the boost stage

maintains a constant current until the battery

reaches its predetermined ‘absorption’ voltage.

The BCDC charger will then remain in the

absorption stage holding its set voltage until the

battery is 100% charged.

The BCDC charger then switches to the ‘float’

stage where it retains the 100% charge until a

load on the auxiliary battery causes the battery

voltage to drop below a predetermined voltage

where it then re-enters the boost stage.

The LFP In-vehicle Battery Chargers

feature a two stage charging algorithm.

When the LFP commences charging the

auxiliary battery it will charge in a constant

current stage, this stage maintains a constant

current until the battery voltage reaches its

set point. The LFP charger will then move to

constant voltage stage, this stage keeps the

battery at 100% charge.

When a load is applied to the battery and the

battery voltage drops, the LFP charger will

move back into constant current stage.

The advanced electronics in the BCDC and

LFP in-vehicle chargers constantly monitors

the vehicle battery input charge to ensure

that your auxiliary battery always receives

the ideal voltage and current for maximum

battery life and performance. Additionally a

highly advanced battery isolator constantly

monitors the vehicle battery input charge

level, protecting your start battery from

excessive discharge.

If it’s worth having an auxiliary battery, it’s worth

protecting it with a REDARC In-vehicle Battery

Charger

ECU-controlled variable

voltage alternators

Why do I need the BCDC1220-IGN,

BCDC1225/40-LV or LFP1225/40-LV

A number of late model vehicles on the market

have ECU-controlled variable voltage alternators

to achieve better fuel economy and increased

performance.

These systems vary the voltage from the

alternator based on driving conditions. When

the alternator voltage is low, the system voltage

can drop below 12.7 volts turning the standard

BCDC, LFP or isolator off.

In these instances we recommend using our

BCDC-IGN or BCDC/LFP-LV.

The BCDC1220-IGN and BCDC/LFP1225/40-LV

operate on an ignition input, switching the units

on and off with the vehicle ignition. They feature

lower voltage settings so they can continue

to operate with a low input voltage from the

alternator.

The BCDC/LFP1225/40-LV models also utilise

the blue input wire to select a solar input.

Gauge value packs

If visual monitoring of a 12volt dual battery

setup is required, REDARC have a range of

BCDC In-vehicle Dual Battery Chargers, each

packaged with a G52-VVA dual voltage gauge.

Value Pack Contains

BCDC1220-GK BCDC1220

and G52-VVA

BCDC1220I-GK BCDC1220-IGN

and G52-VVA

BCDC1225-GK BCDC1225

and G52-VVA

BCDC1225L-GK BCDC1225-LV

and G52-VVA

BCDC1240-GK BCDC1240

and G52-VVA

BCDC1240L-GK BCDC 1240-LV

and G52-VVA

Works best with...

REDARC has a comprehensive range of

accessories including fuse kits, relays,

cables, connectors and mounting

hardware to complete your installation.

Relay kit - RK1260

Fuse kits - FK40, FK60 and FK100

www.redarc.com.au

© 2015 REDARC Electronics Pty Ltd. All rights reserved.

4685-151015

Australia

Phone 08 8322 4848

Fax 08 8387 2889

International

Phone +61 8 8322 4848

Fax +61 8 8387 2889

REDARC Electronics

ABN 77 136 785 092

23 Brodie Road (North)

Lonsdale, South Australia

Australia 5160

power@redarc.com.au

Output

fuse

Input

fuse

Ignition

switch

auxiliary

battery

start

battery

BCDC1206 typical setup

load

fuse

TRAILER/

CARAVAN

TOWING

VEHICLE

battery

config

wire

load

FK40

fuse

Anderson

plug

FK40

fuse

auxiliary

battery

start

battery

Note: Power wires must be

at least 6mm² and must be

crimped using an appropriate

crimp tool.

All ground points must be

connected to chassis earth.

Blue wire goes to

vehicle ignition for

all IGN models or

those with 24V input.

Connects to red wire

for non-IGN models.

BCDC1220 typical setup

Load

fuse

battery

config

wire

optional

LED

to

vehicle

ignition

load

FK40

fuse

solar

panels

FK40

fuse

+ –

Solar option

24V system option

start

battery

auxiliary

battery

For automatic switching

between vehicle and solar

energy charging sources

use the REDARC RK1260

relay kit.

Note: Power wires must be

at least 6mm² and must be crimped

using an appropriate crimp tool.

All ground points must be connected

to chassis earth.

24V system requires

a 24V relay.

BCDC1225 typical setup

start

battery

Load

fuse

Low

voltage

disconnect

not used

(leave

disconnected)

to

vehicle

ignition

load

Fuse* Fuse*

Recommended

input fuses:

LFP1225 - FK40

LFP1240 - FK60

+ –

all ground

points must be

connected to

chassis earth or

start battery

negative

auxiliary

battery

solar

panels

optional

LED

For automatic switching

between vehicle and solar

energy charging sources

use the REDARC

RK1260 relay kit

*

LFP typical setup

Load

fuse

battery

config

wire

to

vehicle

ignition

load

FK60

fuse

+ –

Solar option

24V system option

start

battery

auxiliary

battery

solar

panels

optional

LED

FK60

fuse

For automatic switching

between vehicle and solar

energy charging sources

use the REDARC RK1260

relay kit

Note: Power wires must be

at least 8mm² and must be crimped

using an appropriate crimp tool.

All ground points must be connected

to chassis earth.

24V system requires

a 24V relay.

BCDC1240 typical setup

load

fuse

battery

config

wire

vehicle

ignition

load

FK60

fuse

FK60

fuse

Note: Power wires must be

at least 6mm² and must be

crimped using an appropriate

crimp tool.

All ground points must be

connected to chassis earth.

24V system requires

a 24V relay.

solar

panels

start

battery

auxiliary

battery

auxiliary

battery

For automatic switching

between vehicle and solar

energy charging sources use

the REDARC RK1260 relay kit

Solar option

24V option

BCDC2420 typical setup

BCDC1206 BCDC1220

BCDC1220-IGN

BCDC1225

BCDC1225-LV

BCDC1240

BCDC1240-LV

BCDC2420 LFP1225

LFP1225-LV

LFP1240

LFP1240-LV

Voltage range 9V-32V 9V-32V 9V-32V 9V-32V 9V-32V 9V-32V 9V-32V

Voltage range (LV models) N/A N/A 9V-16V 9V-16V N/A 9V-16V 9V-16V

Maximum charging voltage 14.5V 14.5V/14.9V/15.3V 14.5V/14.9V/15.3V 14.5V/14.9V/15.3V 29.0V/29.8V/30.6V 14.6V 14.6V

Output current 6A 20A 25A 40A 20A 25A 40A

No load current <100mA <100mA <100mA <100mA <100mA <100mA <100mA

Standby current <1mA <5mA <8mA <8mA <8mA <8mA <8mA

Recommended input fuse* 10A 40A 40A 60A 60A 40A 60A

Recommended output fuse* 7.5A 40A 40A 60A 40A 40A 60A

Output power 72W 300W 375W 600W 600W 375W 600W

MPPT solar regulator No No Yes Yes Yes Yes Yes

Solar switch on voltage** N/A N/A 17.5V 17.5V 17.5V 17.5V 17.5V

Solar range N/A N/A 9V-28V 9V-28V 9V-28V 9V-28V 9V-28V

Ambient temperature -20°C to +70°C -20°C to +80°C

Dimensions 80 x 60 x20mm 100 x 120 x37mm 150 x 120 x 37mm

Weight 200g 450g 680g 680g 680g 680g 680g

Want to know more?

Scan this QR code with

your smartphone to go to

the Redarc website

Visit redarc.com.au for more information.

REDARC In-vehicle Dual Battery Chargers

are available at your nearest auto electrician

or 4WD specialty store.

* Fuses not supplied. **Requires unregulated solar panel.

®