This product has been discontinued.
Blue Sea Systems
Add A Battery -Battery Switch & Auto Charging Relay 120 Amp -Blue Sea Systems
Price: $161.37
 Discontinued
Save: $65.62
(28% Off $226.99)
Part # 7650
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(Discontinued)
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Add A Battery simplifies switching and automates charging for a complete two battery bank solution. e-Series Dual Circuit Plus™ Battery Switch simplifies battery switching, isolates engine and house circuits and combines battery banks for emergency starting. 120 Amp SI-Series Automatic Charging Relay automatically combines battery banks during charging and isolates battery banks when discharging and when starting engines.

  Instructions for 7650 Add-A-Battery

Average Customer Review for Add A Battery -Battery Switch & Auto Charging Relay 120 Amp -Blue Sea Systems
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Switch Plus Charging Relay
by Aladain from The Woodlands, Texas on May 21, 2012
I installed this product according to the Manufacturer's instructions and used good wiring practices. The products - both the switch and the ACR (Automatic charging Relay) - worked exactly as advirtised. Both seem to be high quality devices. I am highly satisfied with this purchase.
(7 of 7 people found this review helpful)
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Q:
Will the relay switch to second battery while alternator is running?
A:
Yes, you can switch while the motor/alternator is running.

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