Kh 300Ah 12v trolling motor battery lithium battery for marine
This 12V high-capacity lithium battery is designed for marine propulsion and onboard equipment. It provides steady, continuous current for trolling motors, electric propulsion systems, and critical shipboard devices.
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Each cell has 3.84 kWh capacity, giving your boat strong endurance. Fewer batteries achieve the same or longer runtime, simplifying system layout and saving valuable onboard space.
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Maximum continuous discharge reaches 200A, with a robust discharge rate design. It delivers stable, high-power output for trolling motors.
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Total weight is only 30kg—about 40–50% lighter than a lead-acid pack of the same energy. This helps optimize boat weight distribution and improves energy efficiency.
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Discharge temperature range: –20°C to 60°C. It performs reliably in hot engine rooms and cold waters, making it suitable for markets like the U.S., Northern Europe, and Australia.
LiFePO₄ Cell System for Long-Term Projects and Volume Deployment
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Uses Grade A LiFePO₄ cells with over 6,000 cycles at 80% DoD. Ideal for high-frequency, long-term marine applications.
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Smart BMS provides overcharge, over-discharge, overcurrent, short-circuit, and temperature protection. Active cell balancing ensures consistent performance and extended lifespan.
This means battery capacity decays smoothly and predictably over the years of use. Boat builders and system integrators can accurately plan lifespan and replacement cycles during vessel design.
For batch deliveries or multi-project distribution, this consistency brings:
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More uniform performance across the same batch, reducing after-sales risks due to individual differences.
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Easier implementation of standard maintenance plans and clear lifecycle cost models.
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Reliable long-term supply for repeat orders, supporting ongoing projects instead of one-off deliveries.
Built for Harsh Marine Environments
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Metal enclosure resists vibration, shocks, and accidental impacts. It maintains shape and structural integrity under heavy load and long-term use.
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Metal casing improves heat conduction, dissipating heat during continuous discharge and keeping the battery in an optimal operating range.
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Special surface treatment enhances salt-fog corrosion resistance, protecting against humid, salty marine environments and extending service life.
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Optional smart Bluetooth monitoring quickly displays key operating data, helping engineers verify battery performance on site.
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Compact size allows installation in tight engine rooms or equipment compartments, ensuring flexible system layout.
Factory-Level Quality Control for Mass Deployment
Every battery undergoes full functional and stability testing before shipment, including:
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Cell consistency verification: Ensures batteries from the same batch share similar discharge curves and response behavior. Critical for parallel battery setups and multi-boat deployments.
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BMS protection logic testing: Confirms the battery responds correctly under abnormal conditions, preventing system issues after vessel delivery.
This approach sets clear quality expectations for batch deliveries, reduces hidden after-sales costs, and supports future model expansions and ongoing collaborations.
Technical Data
| Model | KHLFP-R12300 |
| Cell Technology | (Lithium-iron Phosphate) LiFePO₄ |
| Nominal Voltage | 12.8V |
| Nominal Capacity | 300Ah |
| Nominal Energy | 3.84kWh |
| Dimension (L×W×H) | 460×160×252mm |
| Net Weight | 30kg |
| Recommended Charge Current | 56A |
| Max Continuous Discharge Current | 200A |
| Operating Voltage | 10.4V-14.6V |
| Scalability | 4 modules in parallel |
| General Parameter | |
| Cycle Life | ＞6000 Cycles （80% DOD） |
| Service Life | 5 years |
| Discharge Temperature(°C) | -20-60℃ |
| Charge Temperature(°C) | 0°C~45°C |
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