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Marinco Guest 12v/24v/36v 10 Amp 3 Bank On-Board Charger GU2631A

$339.00 - No Tax
This item qualities for
$7.50 Flat Rate Shipping*
Out of Stock

This Qualifies for FLAT RATE Shipping of $7.50 per order*
Rugged, waterproof design for the demanding consumer!

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Product InformationStore Part Number: GU2631A


Guest 30 amp (10/10/10 Amp) 3-stage fully automatic electronic triple output charger is designed to recharge 3-12 V or 1-24 V & 1-12 V or 1-36 V battery system. Each battery receives a dedicated maximum 10 amps of charge current.

Recommended uses: Bulk charge of flooded, AGM, gel, and maintenance free batteries under 110 amp hours, and charge/maintenance of batteries partially discharged up to 150 amp hours. Some popular applications are marine and RV battery charging and maintenance.


  • 3-Stage switching electronic circuitry
  • LED Charge Status
  • Completely Automatic: plug it in and forget it!
  • Maintenance mode protects batteries during storage
  • Ignition Protection
  • Vibration and Shock protected
  • Fully potted to waterproof electronics
  • Input Cord 6'
  • Triple fused output 6' each
  • Waterproof & Easy Install
  • Optimal 3-Step Charging
  • Built-in Mode Indicators
  • Spark-Free Hook Up
  • Reverse Polarity Protection
  • Over Voltage Protected
  • Overload Protection
  • Line Regulation
  • Thermal Protection
  • 2 Year Warranty


Suitable for True Gel Batteries * Flat Rate shipping is for the lower 48 states only.

Tech Specs

  • Dimensions (LxWxH): 13 x 7 x 2.6 in
  • Weight: 13 lb
  • Shipping Weight: 14 lb
  • Max Current, During Bulk Charge: 30 A
  • Absorption Voltage: 14.4 V
  • AC Input Amps: 7.5 A
  • AC Input Volts: 115 V
  • Manufacturer: Guest/Marinco
  • AC Input Volts Freq.: 50–60 Hz
  • AC Input Volts Range: 100–130 V
  • Float Current: Variable
  • Float Voltage: 13.3 V
  • Enclosure: Plastic Composite
  • Output Banks: 3
  • Regulatory Approval: FCC Class A EMC
  • Manufacturer Part #: GU2631A
  • Made In: Asia

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Reviews and Ratings

5.00 Average
5 Stars 1
4 Stars 0
3 Stars 0
2 Stars 0
1 Stars 0
Rated 5.00/5 Stars from 1 customer reviews.

Do you own the GU2631A? Please, tell us what you think about it. It helps us provide you with better products. Please note that it may take up to 72 hours for your review to appear.

Pros: Great price and great performance. Bought this charger after removing three separate new ProMariner 20s from my boat. Goes along with my Guest 2 bank charger for my starter and aux bateries. Works perfect.
Cons: I have had the charger only a few weeks. Too early for any cons.
Is this review helpful?
Written by Jim on Jul 31, 2012. Ownership: Just Bought. Knowledge Level: AC/DC is more than a band — (79 of 156 customers found this review helpful

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Order Line: 1-800-362-5397
M–F 6am–5pm PST
Tech Help: 541-474-4421
Fax: 541-471-6014
276 Tech Way, Suite A
Grants Pass, OR 97526
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