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ABYSS® | 4 Bank 12V On-Board Marine Battery Charger | Model AB-CRG-12V-4B | 40A Total Output | For LiFePO₄, AGM & Lead Acid Batteries
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ABYSS® | 4 Bank 12V On-Board Marine Battery Charger | Model AB-CRG-12V-4B | 40A Total Output | For LiFePO₄, AGM & Lead Acid Batteries
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ABYSS® | 4 Bank 12V On-Board Marine Battery Charger | Model AB-CRG-12V-4B | 40A Total Output | For LiFePO₄, AGM & Lead Acid BatteriesProduct Description ABYSS 4 Bank 12V On Board Marine Battery Charger Model AB CRG 12V 4B 40A Total Output For LiFePO, AGM & Lead Acid Batteries DESCRIPTION Power up your marine adventures with the ABYSS 4 Bank 12V On Board Marine Battery Charger, an intelligent multi bank charging solution designed for boaters who demand precision, safety, and durability. Whether youre running trolling motors, electronics, or livewell pumps, this rugged 4 bank 12V
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Product Description
ABYSS® | 4 Bank 12V On-Board Marine Battery Charger | Model AB-CRG-12V-4B | 40A Total Output | For LiFePO₄, AGM & Lead Acid Batteries
DESCRIPTION
Power up your marine adventures with the ABYSS® 4 Bank 12V On-Board Marine Battery Charger, an intelligent multi-bank charging solution designed for boaters who demand precision, safety, and durability.
Whether you’re running trolling motors, electronics, or livewell pumps, this rugged 4-bank 12V charger delivers a total of 40 amps (10A per bank) with adaptive charging modes for LiFePO₄ lithium, AGM, and lead-acid batteries. With intuitive LED indicators, pulse wake-up for low-voltage lithium batteries, and ABYC-compliant ignition protection, this is the onboard charging system trusted by pros and weekend warriors alike.
Encased in a fully sealed IP67 waterproof housing, the AB-CRG-12V-4B resists salt, splash, dust, and vibration making it ideal for tough marine conditions. With four independent charging banks and full safety circuitry, it's more than just a charger it's your boat’s power manager.
If you're upgrading your marine battery setup, this 12V 4-bank charger ensures every battery is fully charged, properly maintained, and ready to perform.
Key Features
- Four Independent 12V Charging Banks Power up to 4 batteries simultaneously with 10A per bank (40A total output).
- Battery Mode Selection Easily select 12V LiFePO₄, AGM, or lead-acid modes on each bank for custom charging.
- Marine-Grade IP67 Waterproof Fully sealed with epoxy resin to withstand harsh saltwater and wet environments.
- Pulse Wake-Up for Lithium Batteries Revives deeply discharged 12V LiFePO₄ batteries with one-button activation.
- LED Charging Indicators See battery status, type, and charge progress at a glance.
- ABYC Compliant & Ignition Protected Meets strict marine electrical safety standards for onboard installation.
- Smart Safety System Includes overcharge, reverse polarity, short-circuit, spark, and overtemp protection.
- Active Cooling System Built-in aluminum base plate and waterproof fan enhance heat dissipation.
- Auto Charge Monitoring Advanced microprocessor manages each bank independently for balanced performance.
- Rugged Design for Marine Use UV-, oil-, gas-, and vibration-resistant build for real-world boating conditions.
Detailed Specifications
| Specification | Details |
|---|---|
| Brand | ABYSS® |
| Model | AB-CRG-12V-4B |
| Charging Type | On-Board 4 Bank Smart Marine Charger |
| Battery Compatibility | 12V LiFePO₄, AGM, Lead-Acid |
| Total Output | 40 Amps (10A per bank × 4 banks) |
| Battery Type Selection | Each bank selectable: LiFePO₄, Wet, AGM |
| Activation Mode | Pulse Wake-Up for low-voltage lithium |
| Input Voltage Range | 120V – 240V AC |
| Input Frequency | 50Hz – 60Hz |
| Full Charge Voltage | 14.1–14.7V depending on battery type |
| LED Indicators | Power, Battery Type, Charging Status |
| Cooling Method | Aluminum base plate with sealed cooling fan |
| Operating Temp Range | -10°C to 40°C (14°F to 104°F) |
| Nominal Temp | 25°C (77°F) |
| Relative Humidity | 5% – 95% (non-condensing) |
| Ingress Protection | IP67 Waterproof (Epoxy-Sealed) |
| Safety Features | Overcharge, Overheat, Reverse Polarity, Short Circuit, Spark-Proof |
| Dimensions (L × W × H) | 11.9" × 9.6" × 3.8" (304mm × 245mm × 99mm) |
| Weight | 17 lbs (7.7 kg) |
| AC Cable Length | 6 ft (183 cm) |
| DC Cable Length | 6 ft (183 cm) per bank |
| Application | Boats, Marine Vessels, 12V Trolling Systems |
| Certifications | ABYC Compliant, Ignition Protected |
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
ABYSS BATTERY® USER MANUAL
LITHIUM CHARGER USER MANUAL
DC-DC CHARGER USER MANUAL
REEL BATTERY USER MANUAL
BLUETOOTH® APP QUICK GUIDE
General Warranty Info:
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ABYSS® | 4 Bank 12V On-Board Marine Battery Charger | Model AB-CRG-12V-4B | 40A Total Output | For LiFePO₄, AGM & Lead Acid Batteries
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30220728599
US$ 212.50
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