Power needs, runtimes, and safety overview
How to Pick the Right Marine Lithium Battery
Marine Battery Buyer’s Guide
Stop guessing and start boating. This free guide shows how to size your boat’s power needs, estimate 12/24/36V trolling‑motor runtimes, compare lithium vs. lead‑acid, and check must‑have marine safety certifications (UN38.3/UL/CE)—so you get lighter weight, faster charging, and 8–10‑year life on the water.
12V 350Ah Battery Specifications
12V 350Ah Battery Datasheet
| Technical Specifications | Details |
| Nominal Voltage | 12.8V |
| Nominal Capacity | 350Ah |
| Parallel Connection | Maximum 6 units |
| Serial Connection | Maximum 4 units |
| Bluetooth Management System (BMS) | 4S200A (Available on Android/iOS) |
| Charge Voltage | 14.4±0.2V |
| Standard Charge Current | 70A |
| Fast Charge Current | 175A |
| Max. Continuous Discharge Current | 200A |
| Peak Discharge Current | 800A (300ms) |
| Discharge Cut-off Voltage | 10V |
| Cycle Life | 3000 cycles @ 100% Depth of Discharge (DOD) and 6000 cycles @ 80% DOD |
| Self Discharge Rate | Less than 3% per month |
| Operating Charge Temperature Range | 0°C to 55°C (32°F to 131°F) |
| Operating Discharge Temperature Range | -20°C to 60°C (-4°F to 140°F) |
| Storage Temperature Range | -5°C to 45°C (23°F to 113°F) |
Physical Specifications
- Dimensions: 20.47" x 10.59" x 8.66" in
- 521×267×220mm (Group 8D)
- Approximate Weight: 75 lbs (34 Kg)
- Terminal Type: M8
- Case Color/Material: Black Plastic case (ABS)
- IP Rating: IP65
- Cell Type: Cylindrical LiFePO4 cell
- Cell Holder: Yes
Additional Information
- The battery features Bluetooth connectivity, allowing for monitoring via Android and iOS devices.
- Compliant with international standards including UL 1642, IEC62133, IEC62619, CE, UN38.3, and ROHS.
- Implemented strict quality control measures ensure reliability and consistency.
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