Big Red 12V Power Station with 25A DC-DC Charger | BRN70BBDC

SKU BRN70BBDC

$905.25
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House a compatible 12V N70 battery and keep it charged from your alternator and solar with the integrated BRDC1225 25A DC-DC and MPPT charger. BRN70BBDC combines portable power distribution, battery monitoring and dual-input charging for touring, work vehicles and caravans.

Features

  • Suits N70-size 12V batteries up to 365 x 185 x 240 mm
  • Compatible with lead-acid and lithium batteries
  • Integrated LCD voltage and state-of-charge monitor
  • Heavy-duty master isolation switch
  • Four 50A heavy-duty connectors and one 175A high-current connector
  • Two 10A accessory sockets
  • Three USB-A QC3.0 ports and one USB-C PD port
  • Built-in carry handles and durable ABS construction
  • Three-year warranty
  • Integrated 25A DC-DC charger with switchmode technology
  • MPPT solar charging; no separate solar controller required for an unregulated panel input
  • Simultaneous alternator and solar input, with solar taking priority
  • Smart-alternator support through the ignition override connection
  • Three-stage Bulk, Absorption and Float charging
  • Lithium, AGM, Wet and Calcium charging profiles
  • Voltage-drop and temperature compensation
  • Optional BRN70BBT mounting tray available for a secured installation

TECHNICAL SPECIFICATIONS

BRN70BBDC specifications

ModelBRN70BBDC
Alternator input voltage11.9-32V DC
Maximum solar input voltage28V DC
Maximum input current40A
Input current, no load20mA
Maximum charge current25A
Back-drain current9.5-10.5mA
Solar input turn-on11V
Charge typeBulk, Absorption, Float
Charge voltagesLithium 14.2V / AGM 14.4V / Wet 14.7V / Calcium 14.7V
VSR mode, 12VOn 13.4-20V / Off below 12.8V
VSR mode, 24VOn 24.4-32V / Off below 24V
Low-voltage mode, 12VOn 12.2-20V / Off below 11.9V
Low-voltage mode, 24VOn 24.4V / Off below 24V
Alternator connector1 x 3-pin heavy-duty connector
Solar connector1 x 2-pin heavy-duty connector for unregulated solar input
175A heavy-duty connector150A maximum for 20 minutes / 100A continuous; 1800W / 1200W
50A heavy-duty connectors4; maximum 50A total per side, fuse protected
Accessory sockets2 x 10A; 20A fuse protected
USB-A3 x QC3.0; up to 3A per port with built-in protection
USB-C PD1; 5V 3A / 9V 2A / 12V 1.5A with built-in protection
DisplayLCD; operating current under 15mA
Low-voltage alarm11.5V default
External dimensions480 x 220 x 360 mm
Maximum battery dimensions365 x 185 x 240 mm
MaterialABS
Weight excluding battery4.7 kg
Operating temperature-20°C to 60°C
ComplianceEMC certified
Maximum combined current150A across all outputs
Warranty3 years

FAQs

Yes. Its ignition override connection activates the lower input-voltage mode used by smart, variable-voltage alternators.

Yes. Both inputs can charge simultaneously, with solar taking priority when available.

No for an unregulated solar panel connected to the dedicated solar input; the integrated charger provides MPPT regulation. Maximum solar input is 28V DC.

No. Use it in sheltered conditions, keep it out of rain and never clean it with a high-pressure washer.

Yes, within the stated limits: up to 1800W / 150A for 20 minutes, or 1200W / 100A continuously, using correctly rated cabling.

DOWNLOAD INSTRUCTION MANUAL

Download the instruction manual (PDF)

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