Marine Lithium Batteries
Reliable Power for Ocean & Freshwater Vessels
ChargEx marine batteries are engineered for harsh saltwater environments. Enjoy extended range, faster charging, and worry-free operation with lithium power at sea.
Why Choose Lithium for Marine Applications?
Superior Reliability
Proven performance in harsh marine environments with salt spray and moisture protection
Lightweight Design
Significantly lighter than lead-acid, improving fuel efficiency and handling
Extended Range
Higher energy density means more power for cruising, fishing, and entertainment
Fast Charging
Recharge in hours instead of days, get back on the water faster
Deep Cycle Ready
3,000+ cycle life for years of reliable service
Minimal Maintenance
No water additions, no equalization, just reliable power
Marine Applications
Fishing Boats & Trawlers
System Voltage: 48V-60V Systems
Primary Use: Trolling motors, fish finders, radar, lights
Key Benefit: All-day runtime without refueling
Sailboats & Cruisers
System Voltage: 12V-24V Systems
Primary Use: Navigation, cabin power, refrigeration
Key Benefit: Independence from shore power
Yacht & Mega Yachts
System Voltage: 48V+ Custom Systems
Primary Use: Propulsion assist, hotel loads, systems
Key Benefit: Quiet, efficient power for luxury cruising
Recreational Watercraft
System Voltage: 12V-36V Systems
Primary Use: Propulsion, lights, sound systems
Key Benefit: Superior performance and runtime
Commercial Fishing
System Voltage: 48V-72V Heavy Duty
Primary Use: High-power trolling, processing equipment
Key Benefit: Rugged reliability for demanding work
Marine Renewable Energy
System Voltage: 48V-60V Battery Banks
Primary Use: Solar and wind energy storage
Key Benefit: Sustainable power generation at sea
Marine-Specific Engineering
Corrosion Protection
- ✓Stainless steel terminals and connectors
- ✓Marine-grade anodized aluminum housings
- ✓Sealed enclosures against salt spray
- ✓Conformal coating on circuit boards
Vibration & Shock
- ✓Reinforced internal structure
- ✓Damping materials for rough seas
- ✓Mounted with shock-absorbing brackets
- ✓Tested for marine vibration standards
Thermal Management
- ✓Optimal performance in cold water (40°F)
- ✓Heat dissipation for tropical climates
- ✓Temperature monitoring and protection
- ✓Verified for -20°C to +70°C operation
Safety & Compliance
- ✓UN-certified lithium shipping
- ✓Marine safety certifications
- ✓Automatic disconnects for overload
- ✓Integrated BMS protection
Installation & Integration
Easy Integration
ChargEx marine batteries work with most existing electrical systems. Our engineering team can help you design the perfect system for your vessel.
- ✓ Drop-in replacement for most lead-acid systems
- ✓ Compatible with solar charge controllers
- ✓ Works with marine inverters and chargers
- ✓ Integrated BMS handles all protection
Installation Services
We offer professional installation and commissioning at major marine facilities. Our technicians ensure optimal configuration for your specific vessel.
- ✓ Professional system design
- ✓ Installation and commissioning
- ✓ Training on system operation
- ✓ Ongoing technical support
Real-World Success Stories
42ft Fishing Trawler
System: 48V 300Ah System
Result: Increased trolling range by 40%, eliminated daily battery servicing
Benefit: 15 hrs/month staff time
Luxury Sailboat
System: 24V 200Ah System
Result: Extended cruise range, silent operation in anchorages
Benefit: $3,000/year fuel savings
Commercial Ferry
System: 48V 500Ah System
Result: Quiet electric hybrid propulsion, meets emissions standards
Benefit: 30% fuel reduction
Recreational Center Console
System: 12V 100Ah System
Result: All-day fishing without refueling, lights and electronics
Benefit: Instant startup, no cold weather issues
Marine Battery Range
50-300Ah
Small boats & tenders
100-400Ah
Cruising sailboats
80-200Ah
Fishing boats
100-500Ah
Commercial vessels
Ready to Upgrade Your Marine Power?
Contact our marine specialists to design the perfect lithium system for your vessel.

