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ProMariner ProSport HD 20A 2-Bank Waterproof Onboard Battery Charger
✅ In stock
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Grade
Analysis Confidence
5%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Sep 19, 2026 1:06 AM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
KART IT
🚚 Shipping
Free Shipping
Product Details
✓ProSport HD 20A Dual Bank Waterproof Marine Battery Charger (part number 44020) replaces the old ProMariner Gen 3 ProSport 20 (part number 43020)
✓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
⚙️ Specifications
Brand
ProMariner
Color
Gray/ Yellow
Product Dimensions
8.7"D x 16.4"W x 6.3"H
Item Weight
8.6 pounds
Output Voltage
12 volts
Input Voltage
120 volts
Current Rating
20 A
Amperage
20 A
Compatible Devices
battery
Connector Type Used on Cable
CIGA (for battery), AC power cord (for power supply)
Number of Ports
2
