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home > Abyss® | On-Board High-Precision Marine Battery Charger | Model AB-CRG-36V20A | Voltage 36V 20A | IP67 Waterproof | For 36V Lithium Trolling Motor Batteries > Abyss® | On-Board High-Precision Marine Battery Charger | Model AB-CRG-36V20A | Voltage 36V 20A | IP67 Waterproof | For 36V Lithium Trolling Motor Batteries
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Abyss® | On-Board High-Precision Marine Battery Charger | Model AB-CRG-36V20A | Voltage 36V 20A | IP67 Waterproof | For 36V Lithium Trolling Motor BatteriesProduct Description Abyss On Board High Precision Marine Battery Charger Model AB CRG 36V20A Voltage 36V 20A IP67 Waterproof For 36V Lithium Trolling Motor Batteries DESCRIPTION Built for the open water and designed for serious anglers, mariners, and power users, the ABYSS On Board 36V 20A High Precision Marine Lithium Battery Charger delivers lightning fast, intelligent charging for 36V lithium battery systems especially the Abyss 36V 105Ah Trolling
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Product Description

Abyss® | On-Board High-Precision Marine Battery Charger | Model AB-CRG-36V20A | Voltage 36V 20A | IP67 Waterproof | For 36V Lithium Trolling Motor Batteries

DESCRIPTION

Built for the open water and designed for serious anglers, mariners, and power users, the ABYSS® On-Board 36V 20A High-Precision Marine Lithium Battery Charger delivers lightning-fast, intelligent charging for 36V lithium battery systems especially the Abyss® 36V 105Ah Trolling Motor Battery.

Whether you're prepping for a long offshore run or optimizing battery recovery between tournament heats, this compact but powerful onboard charger gives you the performance edge. Featuring IP67 waterproof housing, ignition protection, and advanced safety circuitry, it thrives in demanding marine environments and protects your gear with every charge.

Key Features

  • High-Speed 36V 20A Precision Charging Optimized for marine-grade 36V lithium batteries with ultra-efficient power delivery.
  • Fully Waterproof & Corrosion Resistant (IP67 Rated) Built to survive saltwater spray, high humidity, and marine vibration.
  • Intelligent Battery Management with Auto Shutoff Prevents overcharging and overheating with precision-controlled cutoffs.
  • Advanced Safety Suite Includes short-circuit, reverse polarity, overheat, overcharge, and ignition protection.
  • LED Charging Indicators Easily monitor charge status, battery condition, and safety notifications.
  • Rugged Marine-Grade Construction Compact, sealed ABS case with oil, gas, UV, and chemical resistance.
  • Wide Compatibility Works with ABYSS® and most 36V LiFePO₄ lithium marine battery systems.
  • Effortless Installation & Cord Management Includes long, tangle-free 72" DC and AC cables with secure eyelets and fuse protection.

Detailed Specifications

Category Details
Model AB-CRG-36V20A
Application On-board 36V LiFePO₄ marine battery charger
Input Voltage 120V–240V AC
Frequency 50Hz–60Hz
Output Voltage 43.8V–44.2V (Optimized for 36V LiFePO₄)
Charging Current 20 Amps
Charger Type High-Precision Smart Charger
Battery Compatibility 36V Lithium (LiFePO₄) Batteries
Cooling Passive aluminum heat sink with waterproof ventilation
Waterproof Rating IP67
Safety Protections Short-circuit, Overcharge, Reverse Polarity, Ignition, Thermal, Open Circuit
Status Indicators Multi-color LED indicators (Power, Charging, Fault)
Operating Temp Range -4°F to 104°F (-20°C to 50°C)
Storage Temp Range -22°F to 140°F (-30°C to 60°C)
Relative Humidity 0%–95% (Non-condensing)
DC Cable Length 72 inches (182 cm), 16 AWG, 7.5A blade fuse
AC Cable Length 72 inches (182 cm), 18 AWG
Housing Material Marine-grade ABS with epoxy resin sealing
Dimensions (L x W x H) 10.5" x 6" x 3" (267 x 152 x 76 mm)
Weight 7.1 lbs (3.2 kg)
Wire Color Coding Red = Negative, Yellow/Green = Ground, Purple = Neutral
Optional Features CAN communication, 12V 5A auxiliary power supply

 

Multi-Bank 12V/24V/36V Marine & RV Chargers

3-Bank 12V/24V & 3-Bank 12V/36V Marine Chargers

Specification 3-Bank 12V/24V Marine Charger 3-Bank 12V/36V Marine Charger
Model AB-CRG-12V24V-3B AB-CRG-12V36V-3B
Voltage 12V/24V 12V/36V
Output 2x12V/10A + 24V/10A 2x12V/10A + 36V/10A
Product Size 11.9" x 9.6" x 3.8" 14.2" x 9.6" x 3.8"
Weight 16.5 lbs (7.5 kg) 19 lbs (8.6 kg)
Lead Length 6' (72 in.) 6' (72 in.)
Charging Battery Type 2 banks: 12V LiFePO4, AGM, Wet
3rd bank: 24V LiFePO4
2 banks: 12V LiFePO4, AGM, Wet
3rd bank: 36V LiFePO4

 

4-Bank 12V & 4-Bank 12V/36V Marine Chargers

Specification 4-Bank 12V Marine Charger 4-Bank 12V/36V Marine Charger
Model AB-CRG-12V-4B AB-CRG-12V/36V-4B
Voltage 12V 12V/36V
Output 4x12V/10A 3x12V/10A + 36V/10A
Product Size 11.9" x 9.6" x 3.8" 16.6" x 9.6" x 3.8"
Weight 17 lbs (7.7 kg) 26.8 lbs (12.1 kg)
Lead Length 6' (72 in.) 6' (72 in.)
Charging Battery Type Each bank: 12V LiFePO4, AGM, Wet 3 banks: 12V LiFePO4, AGM, Wet
4th bank: 36V LiFePO4

 

36V Alternator & 12V 50A DC Converter

Specification 36V Alternator Charger 30V–90V to 12V 50A Converter
Model AB-36V-DC AB-DC-SD
Voltage 36V 30V–90V
Output 43.8V/10A 12V/50A DC
Product Size 6" x 5" x 2" 6" x 5" x 2"
Weight 3.1 lbs (1.4 kg) 3.1 lbs (1.4 kg)
Lead Length 7 in. N/A
Charging Battery Type 36V LiFePO4 12V LiFePO4

 

36V 10A & 36V 20A High-Precision Chargers

Specification 36V 10A High-Precision Charger 36V 20A High-Precision Charger
Model AB-CRG-36V10A AB-CRG-36V20A
Voltage 36V 36V
Output 36V/10A DC 36V/20A
Product Size 7.5" x 5" x 2.75" 10.5" x 6" x 3"
Weight 3.5 lbs (1.6 kg) 7.1 lbs (3.2 kg)
Lead Length 4' (48 in.) 4' (48 in.)
Charging Battery Type 36V LiFePO4 36V LiFePO4

 

24V 10A & 24V 20A High-Precision Chargers

Specification 24V 10A High-Precision Charger 24V 20A High-Precision Charger
Model AB-CRG-24V10A AB-CRG-24V20A
Voltage 24V 24V
Output 24V/10A 24V/20A
Product Size 7.5" x 5" x 2.5" 7.75" x 5" x 3"
Weight 3.3 lbs (1.5 kg) 3.3 lbs (1.5 kg)
Lead Length 3' (36 in.) 3' (36 in.)
Charging Battery Type 24V LiFePO4 24V LiFePO4

 

24V Alternator Charger

Specification 24V Alternator Charger
Model AB-24V-DC
Voltage 24V
Output 24V
Product Size 4.75" x 3.25" x 1.25"
Weight 0.95 lbs (0.43 kg)
Lead Length 7 in. (17.8 cm)
Charging Battery Type 24V LiFePO4

 

Manuals & Documents

General Warranty Info:

  • Ripping It Outdoors works closely with our manufacturers to supply and support your products warranty needs as best as possible!
  • The majority of products come with a manufacturer represented warranty against manufacturing defects for at least a 12 month period after the date of sale.
  • Expendable components and "wear parts" including but not limited to blades, knives, teeth, oil, chain sprockets, skid shoes, knife mounting discs, and similar components are usually excluded from manufacturer warranties.
  • Please reach out to us for any specific warranty information neededabout products and parts you can’t find!

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Abyss® | On-Board High-Precision Marine Battery Charger | Model AB-CRG-36V20A | Voltage 36V 20A | IP67 Waterproof | For 36V Lithium Trolling Motor Batteries

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