BCDC Range (Current With BCDC1225D) 5051 Brochure 161031 LR

User Manual: BCDC Range (Current with BCDC1225D) product-flyers | REDARC Electronics

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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. All models 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 In-vehicle Dual Battery Charger range

The REDARC BCDC range features 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 output current options to choose from - 6, 20, 25 or 40 amps - 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.

A relay kit is required to allow you to automatically switch between charging your auxiliary battery from the vehicle or

solar panel when using either a BCDC1225 or BCDC1240.

SOLAR

WITH MPPT

REGULATOR SOLAR

WITH MPPT

REGULATOR

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

12 volt dual input auxiliary battery charger

This next-generation, 25 amp model with a fully integrated MPPT solar regulator is able to charge common lead acid auxiliary

batteries as well as lithium iron phosphate batteries.

The BCDC1225D dual input battery charger, charges from solar and DC inputs simultaneously (no external relay is required as

with standard BCDCs). With built in ‘Green Power Priority’ it will select solar first, meaning less load on the alternator.

The unit will also suit standard and variable voltage/smart alternators.

SOLAR

WITH MPPT

REGULATOR

BCDC1225D

24 volt auxiliary battery charger

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

The extensive range of BCDC 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 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 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).

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 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 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 lithium charging profile (available

in the BCDC1225D) features a two stage

chargingalgorithm.

When the lithium profile 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 lithium profile will then move to

constant voltage stage which keeps the battery

at 100% charge.

When a load is applied to the battery and the

battery voltage drops, the lithium profile will

move back into constant current stage.

The advanced electronics in the BCDC

In-vehicle Battery Chargers constantly

monitor 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

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 or isolator off.

In these instances we recommend using our

BCDC-IGN or BCDC-LV.

The next-generation BCDC1225D can be used

for 12 or 24 volt vehicle systems with standard

or variable voltage/smart alternators, ensuring

the unit will deliver the best charge to your

auxiliary battery.

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

(not required for BCDC1225D)

Fuse kits - FK40, FK60 and FK100

www.redarc.com.au

© 2016 REDARC Electronics Pty Ltd. All rights reserved.

5051-161031

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

Loads

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.

Blue wire connects

to red wire for

non-IGN models.

BCDC1220 typical setup

Load

fuse

Battery

config

wire

Optional

LED

To

vehicle

ignition

Loads

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

All ground points must be

connected to chassis earth.

Start

battery

FK40

fuse

Load

fuse

Blue wire

- connect to

vehicle ignition for

low voltage trigger

settings

Blue wire- leave

disconnected for

standard trigger

settings

Loads

FK40

fuse

Auxiliary

battery

12V

unregulated

solar panel

array

Optional

LED

Charging

profile select

24V system option

Solar option

Solar

panels

BCDC1225D dual input typical setup

Load

fuse

Battery

config

wire

To

vehicle

ignition

FK60

fuse

Solar option

24V system option

Start

battery

Auxiliary

battery

Solar

panels

Optional

LED

FK60

fuse

Loads

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

Loads

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 system option

BCDC2420 typical setup

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.

®

† Voltages specified are ±100mV. ‡Fuses not supplied.

BCDC1206 BCDC1220

BCDC1220-IGN

BCDC1225

BCDC1225-LV

BCDC1240

BCDC1240-LV

BCDC1225D BCDC2420

Input voltage range†9V-32V 9V-32V 9V-32V 9V-32V 9V-32V 9V-32V

Vehicle voltage range (LV models)†N/A N/A 9V-16V 9V-16V N/A N/A

Solar voltage range†N/A N/A 9V-28V 9V-28V 9V-32V 9V-28V

Solar switch on voltage (unregulated)†N/A N/A 17.5V 17.5V 9.0V 17.5V

Maximum charging voltage†14.5V 14.5V/14.9V/15.3V 14.5V/14.9V/15.3V 14.5V/14.9V/15.3V 14.6V/15.0V/15.3V/14.6V 29.0V/29.8V/30.6V

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

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

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

Recommended input fuse‡10A 40A 40A 60A 40A 60A

Recommended output fuse‡7.5A 40A 40A 60A 40A 40A

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

MPPT solar regulator No No Yes Yes Yes Yes

Ambient temperature -20°C to +70°C -20°C to +80°C 0°C to +80°C -20°C to +80°C

Dimensions 80 x 60 x20mm 100 x 120 x37mm 150 x 120 x 37mm 165 x 120 x 37mm 150 x 120 x 37mm

Weight 200g 450g 680g 680g 850g 680g