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DC-DC charger

REDARC BCDC1240D Dual Input 40A: 12 V specs and what it works with

The REDARC BCDC1240D Dual Input 40A is rated for 40 A of charge output maker spec, about 568 Wh per hour of driving at 14.2 V calculated. That is within the max charge current of 12 of 12 batteries we list. Data updated .

Battery charge-current check

Install and wire it exactly as the maker's manual says; we don't size alternators, cables or fuses. The check compares the charger's rated output with each battery's published max charge current (one battery). See the alternator and DC-DC check.

Checked against one battery of each model
ModelCharge current
Battle Born BB10012 100Ah 12VWorksThe DC-DC charger's rated output is within the bank's published max charge current.
Battle Born BB10012H 100Ah 12V HeatedWorksThe DC-DC charger's rated output is within the bank's published max charge current.
Epoch 12V 100Ah Group 24WorksThe DC-DC charger's rated output is within the bank's published max charge current.
Epoch 12V 105Ah Heated Bluetooth (Essential)WorksThe DC-DC charger's rated output is within the bank's published max charge current.
Epoch 12V 300Ah Heated Bluetooth Group 31WorksThe DC-DC charger's rated output is within the bank's published max charge current.
Epoch 12V 460Ah V2 Elite (heated)WorksThe DC-DC charger's rated output is within the bank's published max charge current.
LiTime 12V 100Ah LiFePO4WorksThe DC-DC charger's rated output is within the bank's published max charge current.
LiTime 12V 320Ah Mini BluetoothWorksThe DC-DC charger's rated output is within the bank's published max charge current.
Redodo 12V 100Ah Ultra Mini Bluetooth (Group 22NF)WorksThe DC-DC charger's rated output is within the bank's published max charge current.
Redodo 12V 200Ah PlusWorksThe DC-DC charger's rated output is within the bank's published max charge current.
SOK SK12V100PC 100Ah 12V (Bluetooth)WorksThe DC-DC charger's rated output is within the bank's published max charge current.
SOK SK12V206H 206Ah 12V (heated, Bluetooth)WorksThe DC-DC charger's rated output is within the bank's published max charge current.

Specs

output a40 maker spec
max input aNot published by the maker
efficiency pctNot published by the maker
engine run detectNot published by the maker
ignition inputNot published by the maker
profilesStandard Lead Acid, Calcium, Gel, AGM, LiFePO4 maker spec
input v › min9 maker spec
input v › max32 maker spec
lithium vNot published by the maker
mppt › presenttrue maker spec
mppt › max pv v32 maker spec
mppt › max pv wNot published by the maker
nominal v12 maker spec

Notes on the sources

REDARC's Australian product page. Nominal output power is listed as 600W. The page also lists input/output fuse ratings, which we don't reproduce here; see REDARC's instruction manual.

In the maker's words

“Suitable for 12 or 24-volt vehicle systems, the unit will also work with either standard or variable/smart alternators.” (smart alternator quote; source)

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See it at the maker for REDARC BCDC1240D Dual Input 40A

Sources