Add-A-Battery Kit 120A - P/N #7650

Add-A-Battery Kit 120A - P/N #7650
Add-A-Battery Kit 120A - P/N #7650
Brand: Blue Sea Systems
Product Code: 7650
Availability: In Stock
Price: $AU247.04
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The ADD-A-BATTERY is as simple to operate as an ON-OFF switch, yet effectively manages the switching and charging of two batteries from a single charge source

The Add-A-Battery includes a Dual Circuit Plus™ Battery Switch and an Automatic Charging Relay. These components simplify switching and automate charging, so that all you have to do is turn the battery switch ON when you arrive and OFF when you leave.

Dual Circuit Plus™ Battery Switch

  • Simplifies switching
  • Isolates engine and house circuits
  • Combines batteries for emergency starting
  • Tin-plated copper studs for maximum conductivity and corrosion resistance

Simultaneously switches two isolated battery banks or combines battery banks to all loads

  • Make before break contact design allows switching between battery banks without power interruption
Switch Type Dual Circuit Plus
Color Red
Switch Positions 4
Battery Combine Yes
Alternator Field Disconnect No
Maximum Voltage 32V DC
Continuous Rating 300A
Intermittent Rating 450A (5 min)
Cranking Rating 10 sec 1000A
Cranking Rating 1 min 650A
Battery Inputs 2
Cable Clearance For 4/0 AWG Cables 1.12in (28.45 mm)
Cable Size to Meet Ratings 4/0 AWG (120mm²)
Mounting Holes Accept 1/4" (M6) Screw
Terminal Stud Size 3/8" - 16 (M10)
Terminal Stud Torque 120 in-lb (13.56 Nm)
Weight 0.80lb (0.36 kg)

ACR Automatic Charging Relay

  • Automatically combines batteries during charging
  • Isolates batteries during engine cranking and when not charging
  • Shares the charge between two batteries more efficiently than a battery isolator
  • Allows efficient dual battery charging without needing regulator adjustment or rewiring

Automatically combines batteries during charging, isolates batteries when discharging and when starting engines

  • Protects sensitive electronics by temporary isolation of house loads from engine circuit during engine cranking
  • Designed for 12 or 24 volt systems
  • 12/24 volt auto ranging voltage input
  • Hermetically sealed contacts/vaporproof
  • Ignition protected—safe for installation aboard gasoline powered boats
  • Supports high-output alternators up to 120 Amperes
  • Dual sensing
Optional Features
  • Start Isolation allows temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics from sags and spikes
  • Remote LED remotely indicates ACR states - requires optional LED
Nominal Voltage 12V DC
24V DC
Start Isolation Yes
Amperage Operating Current 175mA (combined)
15mA (open)
Continuous Rating 120A
Intermittent Rating 210A (5 min)
Cable Size to Meet Ratings 1/0 AWG
Terminal Ring Diameter Clearance 1.12in (28.45 mm)
Terminal Stud Length 0.875in (22.23 mm)
Terminal Stud Size 3/8" - 16 (M10)
Terminal Stud Torque 140 in-lb (15.82 Nm)
Relay Contact Position
Combine 30 sec 13.6V @ 12 V
27.2V @ 24 V
Combine 90 sec 13.0V @ 12 V
26.0V @ 24 V
Open 10 sec 12.35V @ 12 V
24.7V @ 24 V
Open 30 sec 12.75V @ 12 V
25.5V @ 24 V
Open High 16.0V @ 12 V
30.0V @ 24 V
Over Voltage Lockout 16.0V @ 12V
32.0V @ 24V
Under Voltage Lockout 9.5V @ 12 V
19V @ 24 V
Weight 1.25lb (0.57 kg)
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