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Blue Sea 7649 Mini Add-A-Battery System
Blue Sea Systems #7649 Mini Add-A-Battery
Blue Sea 7649 Mini Add-A-Battery System
On sale
$125.33
$95.96
Solenoid Add A Battery Mini - package comprises a double pole battery switch to simplify switching and an automatic battery combiner to simplify charging. Avoid getting stuck with a flat battery. This systems is suitable for most outboards and any boat
Questions about this item? Ask here.
p/n:
BSS-7649003
Availability:
6 in stock
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Description
Questions and Answers
P65 Warning
Additional information
Adding a second battery prevents getting stranded with a dead battery by isolating the start battery from the house loads that can quickly discharge a battery. The Mini Add-A-Battery offers a compact, simple way to control the switching with the m-Series Dual Circuit Plus™ Battery Switch and automatically share a single source of charging between two batteries with the Mini ACR Automatic Charging Relay.
Suitable for use with most outboards, this is a smaller version of the 7650 Add-A-Battery system sold for larger boats.
Kit includes Battery Switch Model # 6011
Kit includes Automatic Charge Relay Model # 7601
Continuous Rating 65 Amps
Intermittent Rating 115 Amps for 5 minutes
For 12 or 24 Volt Systems
Maximum Cable Size 1/0
1/4" Threaded Studs on ACR, 3/8" Threaded Studs on Battery Switch
Instruction Sheet
and dimensioned drawings
At PKYS we sell the boxed version of this which is more suited to eCommerce, the variation part number is 7649003
Q:
Looking at the 7649 mini add a battery. Your product says it will work with most outboards. I have a 2010 merc 4 stroke 90hp, is it compatible? I will have boat lights, fish finder, fuel gauge, radio, stereo and a high lumens LED flood light and 2 Scotty 30amp down riggers running off my house battery. There will be a 12-16' run between your product and the house battery. What gauge wire should I run?
Asked by:
Dave
- 8/26/2015
A:
The 7649 Mini-Add-A-Battery has a continuous rating of 65 amps and as far as I can tell your engine has a 50 amp alternator. You might want to check that in the owner’s manual though. As long as the alternator output is 65 amps or less this is the right product.
Your question about wiring depends on exactly how this is setup but to use the full 65 amps of capability you need to have at least 8 awg wire. I am assuming the start battery is near the engine. Note that the two battery banks must share the same negative also so the negative must also be at least 8 awg. In order to use the house battery to assist starting if the start battery went flat the wire would have to be quite a bit bigger because of voltage drop, I would suggest 4 awg
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Answer provided by:
Peter Kennedy (8/26/2015)
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Q:
Want to add 2nd battery system on 14 ft. aluminum boat with 15hp Evinrude motor. has no alternator, but has electric starter. need 2nd battery for lights & other accessories. fish finder, trolling motor. May purchase newer motor later.
Asked by:
Don Cooper
- 1/19/2020
A:
If your engine doesn't provide any charging then you presumably must have some other way to charge the battery, either solar or a shore charger, so you can still use the same add a battery kit.
You might like to look at the
Blue Sea 7605 BatteryLink Charger
which is a battery charger with the ACR built in, If you got that then all you would need to add would be the
6011 Battery Switch
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Answer provided by:
Peter Kennedy (1/20/2020)
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Questions about this item? Ask here.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to
P65Warnings.ca.gov
.
Manufacturers website
UPC: 632085076498
Excerpts from
instruction manual
m-ACR Mounting ? To avoid corrosion to connecting wires and terminals, mount in a dry and protected location if possible. Avoid locations directly above the battery banks. m-ACR Electrical Connections ? The wiring diagrams illustrated on the back page represent common installations and are not meant to be a guide for wiring a specific vessel. ? The 7601 m-ACR is not intended to carry starting currents. Use a battery switching system with a combine batteries/parallel function if batteries may need to be combined for emergency starting. Caution: Disconnect battery connections before beginning the installation. m-ACR Voltage Sensing ? The 7601 m-ACR will sense a charge being applied to either battery bank. * Larger wire sizes may be required to minimize voltage drop in long wire runs. For more information please use the Circuit Wizard at www.circuitwizard.bluesea.com Wire Size and Fuse Rating Chart Charging Amps Min. Wire Size* (AWG) Fuse Rating Min. Wire Size* (Metric) =30 #10 40A-50A 6 mmý =50 #8 60A-65A 10 mmý =65 #6 90A-100A 16 mmý Use the wire sizing chart below to select the appropriate wire sizes to prevent overheating the m-ACR. m-Series, Dual Circuit Plus? Battery Switch 6011 (Included with 7649 Mini Add-A-Battery) Features ? Switches two battery banks simultaneously with one ON/OFF switch while maintaining battery bank isolation, minimizing the risk of a dead start battery ? The COMBINE BATTERIES function parallels two battery banks in the event of a low battery ? Ignition protected?safe for installation aboard gasoline powered boats Specifications Cranking Rating (10 sec.) 1,000 Amps Cranking Rating (1 min.) 650 Amps Intermittent Rating (5 min.) 450 Amps Continuous Rating 300 Amps Maximum Voltage 32 Volts Cable Size to Meet Ratings 4/0 AWG (120mmý) Terminal Stud Size 3/8"-16 (M10) Maximum Torque 120 in-lbs (13.56 Nm) Regulatory E marked for ignition protection, meets UL1500 and SAE J1171 external ignition protection requirements Rated IP66---protected against powerful water jets m-ACR minimum connections for operation: ? Connect one battery bank positive to one of the 1/4?-20 studs. ? Connect the other battery bank positive to the other 1/4?-20 stud. ? Both positive connections should be made through appropriately sized circuit protection to meet ABYC recommendations. See ?Wire Size and Fuse Rating? chart, above, for suggested fuse ratings. ? Connect the quick connect terminal marked GND (ground) to the DC system ground through a 10A in-line fuse to prevent fault currents from flowing in this wire. m-ACR optional connection: To enable start isolation: ? Connect a wire from the quick connect terminal marked SI (starting isolation) to the terminal or wire running from the start key switch to the starter solenoid (see back for wiring diagram). This connection can be made at the start key switch or at the starter solenoid, but must be to the line that is positive only when cranking. Connection to a line that
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