12V 100AH Marine Batteries

• MOQ: 10
• Delivery: 25 Days
• Customizable / OEM / ODM: Yes
• Delivery Terms: FOB, EXW, CIF
• Payment: T/T, L/C, PayPal
• Sea / Air / Land Shipment: 10FT, 20FT, 40FT, 60FT

Product Overview

The 12V 100Ah marine battery is engineered for fishing boats, yachts, trolling motor systems, and onboard electronics requiring stable and efficient power. Built with prem

In real applications, marine installers frequently replace bulky 30kg AGM units with a single lithium pack. This means that vessel balance improves while runtime increases significantly.

As part of our professional marine battery (internal link) category, this solution is designed for deep cycle marine performance with long service life and minimal maintenance.

Compared with traditional lead-acid batteries, the 12V 100Ah marine battery offers superior cycle life, faster charging, and stable voltage output for sensitive marine electronics.

Key Features & Benefits

1. 6000+ Ultra-Long Cycles

Rated for over 6000 cycles at 80% DOD, this lithium solution drastically reduces replacement frequency. In practice, marine fleets cut battery lifecycle costs by more than 60%.

2. Lightweight 10kg Lithium Design

Weight matters onboard. Traditional deep cycle marine batteries often exceed 28–35kg. This lithium model weighs only 10kg, improving fuel efficiency and simplifying installation.

For example, installers handling multiple trolling motor battery upgrades can complete installations faster and safer due to reduced lifting weight.

3. Stable Voltage Output

Unlike AGM batteries that experience voltage sag under load, this 12V 100Ah marine battery maintains stable discharge curves.

This ensures:

  • Reliable sonar and navigation systems

  • Consistent trolling motor thrust

  • Protection for marine electronics

4. Smart BMS Protection (JBD / JK Optional)

Integrated smart BMS provides:

  • Overcharge & over-discharge protection

  • Short circuit protection

  • Active balancing

  • Communication via RS485, CAN, Modbus

For OEM boat manufacturers, this enables smart energy management integration.

5. Flexible Expansion – Series & Parallel

Supports up to 4 series and 4 parallel connections.

This makes it ideal for 24V, 36V, or higher capacity marine systems.

For marine compliance standards, reference organizations such as ABYC (external link) for lithium integration guidelines.

Technical Specifications

Specification Value
Cell Type LiFePO4
Nominal Voltage 12.8V
Nominal Capacity 100Ah
Nominal Energy 1280Wh
Cycle Life >6000 cycles (80% DOD)
Max Charge Current 50A
Max Discharge Current 50A
Internal Resistance ≤30mΩ
IP Rating IP65
Weight 10kg
Dimensions 260×168×210 mm
Design Life 10 Years

Low self-discharge (≤2% per month) ensures reliable storage during off-season periods.

The 12V 100Ah marine battery operates from -20°C to 65°C discharge, making it suitable for both cold northern lakes and hot coastal climates.

Applications

Designed for:

  • Fishing boats

  • Yachts

  • Trolling motor systems

  • Marine navigation systems

  • Offshore auxiliary storage

  • Onboard electronics

In real applications, anglers using 36V trolling motor setups combine three units in series for extended fishing hours without voltage drop.

If you are evaluating alternatives, review our marine deep cycle battery  solutions for additional configurations.

Comparison / Advantages

Lithium vs Lead-Acid Marine Batteries

Feature Lithium AGM
Weight 10kg 30kg+
Cycle Life 6000+ 500–800
Maintenance None Required
Self-Discharge ≤2% 5–10%
Voltage Stability Excellent Moderate

In practice, distributors in North America report a growing shift toward lithium marine battery systems due to performance and long-term ROI.

The 12V 100Ah marine battery delivers higher usable capacity and faster recharge cycles compared to standard deep cycle marine battery solutions.

Certifications & Quality

  • UN38.3

  • CE

  • RoHS

  • MSDS

  • ISO manufacturing compliance

Each battery undergoes aging tests, BMS calibration, and capacity verification before shipment.

OEM & Customization

Full OEM & ODM support includes:

  • Logo branding

  • Custom casing color

  • Firmware customization

  • Communication protocol integration

  • Bluetooth & APP monitoring

  • Self-heating for cold climates

  • CAN / RS485 integration

  • Circuit breaker integration

For marine distributors and boat manufacturers, we offer private label programs for the 12V 100Ah marine battery with packaging and compliance documentation support.

CTA

Looking for a reliable lithium marine battery supplier?
Contact FSE Battery today for distributor pricing and OEM partnership opportunities.

Specifications
Lithium Cell TypeLiFePO4
Nominal Voltage12.8V
Nominal Capacity100Ah
Nominal Energy1280Wh
Max Charge Voltage14.6V
Discharge Cut-off Voltage10V
Max Continues Charge Current50A (0.5C)
Max Continues Discharge Current50A (0.5C)
Standard Continues Charge Current25A
Standard Continues Charge Current25A
Dimensions(L x W x H)260 x 168 x 210 mm
Weight10 kg
Charger14.6V 20A
Cycle Life>6000 cycles (DOD 80% 0.5C)
>4000 cycles (DOD 100% 0.5C)
Internal Resistance≤30 mΩ
Max Series Connections4
Max Parallel Connections4
Self-discharge≤2% per month
IP RatingIP65
Charge Temperature0°C ~ 60°C
Discharge Temperature(-20°C ~ 65°C)
Storage Temperature(-10℃ ~ 50℃)
Self-heatingOptional
LCD DisplayOptional
Optional UpgradesSelf-heating / Bluetooth / APP / WiFi / 4G / GPS / LCD Display / RS485 / RS232 / CAN bus / RJ45 / Modbus / Power Switch / Circuit Breaker / Active Balance / etc
BMSJBD BMS/JK BMS
TerminalM8
Battery CaseABS
Design Life10 Years
Silk-screen / Label / Laser LogoYes
User ManualYes
OEM / ODMYes
CertificationsCE / MSDS / UN38.3/UL

Specifications

Datasheet

User Manual

Frequently Asked Questions (FAQs)

How long does a 12V 100Ah marine battery last?

Up to 6000 cycles at 80% DOD, typically 8–10 years.

Yes, stable voltage makes it ideal for trolling motor battery applications.

Yes, up to 4 in series and 4 in parallel.

Rated IP65 for marine environments.

No, it is completely maintenance-free.

14.6V 20A lithium charger is recommended.

Yes, RS485, CAN, Modbus supported via optional BMS.

USA, Canada, Australia, and European marine OEMs and distributors.

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