ProMariner ProSportHD 20 Plus Global Gen 4 - 20 Amp - 3-Bank Battery Charger [44029] - CWR-80098

ProMariner ProSportHD 20 Plus Global Gen 4 - 20 Amp - 3-Bank Battery Charger [44029] - CWR-80098

ProSportHD 20 Plus Global Gen 4 - 20 Amp - 3-Bank Battery Charger

*C13 Adapter Plug Required*

ProSportHD Generation 4 boasts a tri-surface heatsink design. This heavy-duty lightweight design delivers significantly faster charging through optimal cooling, while delivering true rated amp output during charge mode. 

ProSportHD's enhanced microprocessor and software provides digital features including: fuel gauge style Charge Completion Monitor, Charge Mode, individual Fault indicators and three digitally selectable performance charge profiles for Flooded (lead acid), AGM and GEL batteries. HP AGM profile on ProSportHD 20 Dual only. 

Fully automatic 5-stage charging enhances battery performance while extending battery life. System Check OK and Battery Status indicators provide real time installation and battery fault status. 

Designed for use in harsh environments with our industrial grade jacketed DC and AC power cables which include molded strain reliefs and wire splitters. 

Features

• ProMar Digital Technology Microprocessor and software controlled charging technology for fast, precise charging
• Distributed-On-Demand™ Technology 100% of all available charging amps are utilized by distributing unused charging amps to any one or combination of all batteries as needed
• Heavy Duty Tri-Surface Extruded Heat Sink Design Upper, lower and rear facing heat sink design for optimal cooling while delivering true rated constant current charging amps during its two charge mode
• Expanded LED Display with Completion Status Gauge LED fuel gauge style completion status. Four color multi-stage mode LED status bar. Multi-stage Charge Mode, System Check OK, individual Battery Status and Battery Type indication
• Lightweight Design Up to 40% lighter compared to an epoxy filled charger
• Auto-Maintain Energy Saver Mode Monitor and auto maintain batteries only when needed to maintain full state of charge. This significantly reduces AC power consumption
• Fully Automatic 5-Stage Digital Performance Charging 5 Stages: Analyzes, charges, conditions, auto maintains and reconditions batteries once a month during storage periods. Fully charges and extends battery life
• Built-in Quality and Safety Dual inline waterproof fuses, reverse polarity, over-temperature, over-current, over-voltage and ignition protection. Certified to Marine UL 1236. CEC and DOE listed. FCC Class B
• Easy Installation and Operation Pre-wired with 6’ AC and DC cables
• Battery Type: Group 24–31 Flooded, AGM, HP AGM and GEL batteries
• 3 Year Warranty

Specifications

What our Experts Think

• Smart, Multi‑Bank Charging: The ProMariner ProSportHD 20 Plus Global Gen 4 – 20 Amp 3‑Bank Battery Charger [44029] delivers precise, fully automatic 5‑stage charging to optimize battery life and performance for up to three separate battery banks.
• Advanced Digital Control: Enhanced microprocessor logic and LED status display provide real‑time feedback on charge completion, battery type (Flooded, AGM, GEL), and fault conditions—giving clarity and control over charging.
• Distributed‑On‑Demand™ Technology: Efficiently reallocates unused amps to other banks based on need, ensuring faster and complete charging across all batteries.
• Optimized Cooling & Reliability: Unique tri‑surface heatsink design maximizes cooling and maintains true rated output under heavy loads—ideal for harsh marine environments.
• Global Voltage Compatibility: Works with 12 V, 24 V, and 36 V systems and global AC input (100–240 VAC, 50/60 Hz), making it suitable for worldwide boating and varied electrical configurations.
• Energy Saver & Maintenance Mode: Automatically switches to maintain mode to protect batteries and reduce AC power consumption once full charge is reached.
• Marine‑Ready Construction: Industrial‑grade jacketed AC/DC cables with molded strain reliefs and safety protections (over‑current, reverse polarity, etc.) ensure durability and peace of mind on board.

Q&A

Q: What is the ProMariner ProSportHD 20 Plus Global Gen 4?
A: A marine battery charger designed to charge and maintain up to three battery banks with a combined 20 amps output in harsh marine environments.

Q: What charging systems does it support?
A: Compatible with 12 V, 24 V, and 36 V systems and works with Group 24–31 style Flooded, AGM, HP AGM, and GEL batteries.

Q: What advanced features does it include?
A:
• Tri‑surface heat sink for improved cooling and true rated amp output
• ProMar Digital Technology & Distributed‑On‑Demand™ for efficient amp distribution
• Expanded LED display with fuel gauge style charge status and individual bank indicators
• Three selectable profiles for Flooded, AGM, and GEL battery types
• Auto‑Maintain Energy Saver Mode that reduces AC power use once fully charged
• Fully automatic 5‑stage charging for conditioning and extending battery life

Q: How durable and easy to install is it?
A: Designed for marine environments with rugged 6‑ft industrial cables and strain reliefs; pre‑wired for quick setup.

Q: What are the size and weight specs?
A: Approx 7.9″ × 13.6″ × 2.9″ and ~8.8 lbs — compact and lightweight for easy mounting.

Q: What safety protections does it provide?
A: Includes reverse polarity, over‑temperature, over‑current, and over‑voltage protection, and carries UL, CEC, DOE, and FCC certifications.

Q: Who should use this charger?
A: Great for boaters, anglers, and marine professionals with multiple battery banks on their vessels who need reliable automatic charging and maintenance.

Q: Why choose the ProSportHD 20 Plus Global Gen 4?
A: It offers smart charging technology, efficient heat management, multi‑battery support, and digital monitoring features to keep batteries healthy and ready — ideal for marine power systems. 

Maintenance Tips

• Inspect Connections Regularly – Check AC input, battery cables, and terminals for corrosion or looseness; secure connections maintain charging efficiency. (marinesalesstore.com
• Keep Unit Clean & Ventilated – Remove dust, salt, and debris; maintain airflow to prevent overheating and prolong electronic component life.
• Select Correct Battery Type – Match the charger profile to battery type (AGM, Flooded, GEL, LiFePO4) to avoid overcharging or damage. (marinesalesstore.com
• Monitor LED Status – Observe bank indicators for proper charging, fault alerts, and maintenance needs.
• Check Mounting & Hardware – Ensure secure installation to minimize vibration damage in marine environments.
• Periodic Full Charge Cycle – Occasionally allow full charge/discharge cycles to maintain battery health and verify each bank operates correctly. (marinesalesstore.com
• Avoid Moisture Intrusion – Even though water-resistant, keep the charger away from direct water spray to protect electronics.