Leading Marine Lithium Battery Factory
Unstoppable Maritime Power | Built for Your Mission

As specialists in marine-grade lithium innovation, we deliver energy solutions that keep your operations afloat:
20-Year Lifespan Assurance
Engineered with military-grade LiFePO4 cells, our batteries withstand 10,000+ deep cycles – 5X longer than lead-acid alternatives, slashing replacement costs by 60%.
Saltwater-Proof Reliability
IP67-rated casing and anti-corrosion architecture survive 10G shock/vibration, proven through 2,000+ commercial fishing vessel deployments in harsh marine environments.
Explore Custom Solutions
Get batteries tailored to your vessel’s load profile – from livewell pumps to emergency systems – with 24-hour technical specification support.
Applications
Propulsion Systems
Auxiliary Systems
Emergency Backup Power
Entertainment Systems
Voltage & Capacity
High Voltage (>48V),
High Capacity (>200Ah)
Medium Voltage (12V-24V), Medium Capacity (50Ah-100Ah)
Low to Medium Voltage (12V-24V), Variable Capacity
Low Voltage (12V), Moderate Capacity (20Ah-50Ah)
Battery Type
Series/Parallel Batteries
CAN Communication Batteries
Cold Weather Batteries
Bluetooth Batteries
Description
Suitable for high-power requirements like boat propulsion.
Ideal for integrated electronic systems needing communication over CAN bus.
Performs reliably in cold conditions, ensuring power during emergencies.
Allows remote monitoring and control, fitting for low-power systems like onboard entertainment.
Voltage
12V
12V
12V
12V
Capacity (Ah)
20Ah
40Ah
100Ah
120Ah
Application Scenario
Small leisure boats, basic electronics
Medium leisure boats, more electronics
Larger boats, advanced electronics
Large leisure/commercial ships
Usage & Purpose
Engine starting, powering small devices like lights, GPS.
Engine starting, supporting medium-sized navigation systems, lighting.
Starting larger engines, supporting complex electronic systems.
High-power engine starting, long-term electronic support.
Don't know how to Choose?
Why Choose Keheng As Your Lithium Battery Partner for Marine Excellence?
Trust a certified marine energy pioneer to elevate your project’s performance while slashing lifetime ownership costs.
Engineered for Every Wave
Keheng’s batteries deliver 15-year saltwater resilience across vessels – from kayaks to superyachts – with:
- 4,000+ deep cycles (2X industry average) enabling decade-long operations without replacements
- 2-hour ultra-fast charging to minimize dock time, even in -30°C polar conditions
- 60% weight reduction vs lead-acid batteries, increasing payload capacity by 1.8 tons
Your Blueprint, Our Precision
We transform marine power challenges into competitive advantages through:
- AI-Driven BMS: 24/7 thermal/load monitoring prevents 98% of critical failures
- 72-Hour Prototyping: OEM/ODM services accelerate your product launch by 40%
- Arctic-to-Equator Solutions: Patented low-temp tech ensures full functionality at -55°C
Uninterrupted Power, Uncompromised Safety
- Zero Voltage Sag: Maintains 95% output stability during 72-hour trolling missions
- Triple-Layer Protection: Military-grade BMS prevents overloads/short circuits, reducing fire risks by 99%
- Corrosion Immunity: IP67 sealing survives 10G impacts, validated across 2,000+ commercial fleets
5-Year Warranty | Zero-Downtime Promise
- 5-Year Warranty | Zero-Downtime Promise
- 48-hour global support: Submit fault videos for instant diagnostics
- 0.3% failure threshold: Free replacements shipped within 72 hours
- Lifetime performance tracking: Proactive maintenance alerts via cloud platform
Globally Trusted, Locally Compliant
Keheng’s full-certification backbone (CE, UL, IEC62133, etc.) ensures:
- 30% faster customs clearance in 120+ countries
- Zero compliance risks for EU/US/Asia-Pacific markets
- Seamless insurance approvals with ISO9001/14001/OHSAS18001 documentation
More Marine Machinery Applications
Powered by Keheng Marine Battery Factory
- Significantly Lighter: Enhances fuel efficiency
- Long Duration: Over 12 hours of power
- Eco-Friendly: Lead-free and non-toxic
- High-Pressure Resistant: Suitable for >6000m depth
- Long Lifespan: 5-10 years
- Lightweight: 1/3 weight of Lead-Acid
Offshore Platform Battery
- Corrosion Resistant: Special seawater treatment
- High Reliability: <1% failure in extremes
- Operates from -20°C to 60°C
- 1/4 weight of traditional
- High Performance: Maintains in extremes
- Waterproof: IP68 standard
- High Capacity: 150-200Wh/kg density
- Low Self-Discharge: <2% per month
- Rapid Response: >1C charge/discharge rate
- 60% lighter than Lead-Acid
- Extended Runtime: Up to 40% longer
- Fast Charging: Full charge in <6 hours
More than 100 certifications to safeguard your project
Placed an order but unable to ship? Missing certificates to clear customs? Partner with us and you can focus on sales while we handle the complex import restrictions and compliance regulations.
Common Questions About Keheng's Lithium Battery
Exceptional Longevity
Boasts a cycle life of 4,000 cycles at 80% Depth of Discharge (DOD), lasting 5-10 times longer than traditional lead-acid batteries.
Remarkably Lightweight
Our lithium batteries are only one-third the weight of AGM batteries when comparing equal capacities.
Minimal Self-Discharge
The self-discharge rate of Keheng LiFePO4 batteries is less than 3% over six months, ensuring prolonged energy retention.
Rapid Charging Capabilities
These batteries support a fast charging rate of 0.5C, enabling them to be fully charged in just 2 hours.
Maintenance-Free
No need to add distilled water or acid. Our batteries require absolutely no maintenance.
Integrated PCM Protection
Includes comprehensive safety features like overcharge, over-discharge, overcurrent, and short circuit protection, along with cell balancing and temperature detection functions.
Highly Stable Chemistry
The LiFePO4 lithium chemistry is exceptionally stable, eliminating concerns of explosions.
Standard Size for Easy Replacement
Designed to match the size of traditional AGM molds, these batteries can easily replace old lead-acid batteries without any hassle.
Why Lithium-ion Battery For Your
Marine Machinery Instead of Lead-Acid Battery?
- Uncharted Horizons: Unlock 30% more cruising range with compact energy density – conquer 120NM expeditions or access secluded bays without recharge anxiety.
- Endurance Redefined: Survive 10-year saltwater exposure with 1,200+ cycle capacity – 5X longevity versus lead-acid alternatives cuts replacement costs by 80%.
- Maintenance-Free Mastery: Reclaim 50+ annual maintenance hours through self-balancing cells – zero acid checks or terminal corrosion management required.
- Hyper-Charging Freedom: Achieve 80% charge in 45 minutes – leverage brief dock stops to extend fishing windows by 3.5 hours daily.
- Climate-Proof Reliability: Deliver -40°C to 60°C operational stability – maintain critical systems during arctic drills or tropical storms without derating.
- Fortified Security: Our multi-layered protection (thermal runaway prevention, vibration-resistant architecture) reduces critical failure risks by 99.7% – validated across 15M nautical miles.
Select Lithium Batteries Instead Of Lead-Acid Batteries
- Energy Density: High
- Weight: Lightweight
- Lifespan: Long (10-15 years)
- Charge Time: Fast (1-2 hours)
- Safety: Safer with built-in BMS
- Energy Density: Low
- Weight: Heavy
- Lifespan: Short (3-5 years)
- Charge Time: Slow (6-8 hours)
- Safety: Potential for gas leaks & explosions
Ready To Try Excellent lithium battery wholesale With Keheng?
Get in touch with us. Connect with Keheng and start a long term comfortable lithium battery Procument Working.