Advanced Lithium Marine Battery Systems

Overview

ADVANCED LITHIUM MARINE BATTERY SYSTEMS

Litmus Marine specializes in advanced marine battery systems, supplying highly reliable, waterproof (IP67), and intelligent lithium-ion battery banks configured for premium electric outboards. We offer full CAN bus integration, customized multi-battery capacity banking, and smart Battery Management Systems (BMS) to optimize safety, thermal health, and real-time GPS range counting.

Our battery range features premium automotive-grade BMW i module tech, ultra-safe LFP cell-to-pack high-density modules, and robust CNC-machined aluminium configurations. We support everything from ultralight portable click-and-play batteries for kayak outboards up to high-voltage, heavy-duty commercial boat battery systems from CATL, EVE, and BMW.

Our Lithium Battery Systems feature:

Smart BMS with protection against overcharging, short circuit, and submersion
IP67 waterproof and shock-resistant marine configurations
Extreme volumetric energy density using BMW i & LFP cell-to-pack tech
Abundant cycle life (up to 3000+ charges) with minimal annual capacity loss

The Range

Battery Systems

Waterproof lithium packs for every electric propulsion system.

Torqeedo Travel Batteries

Torqeedo Travel Battery XS (648 Wh)

The Torqeedo Travel Battery XS is a high-performance lithium-ion replacement and spare battery pack engineered for Travel XS outboards. Lightweight and completely waterproof, it provides dependable power on the water with click-and-play simplicity.

Key Features

Battery Capacity: 648 Wh nominal (Li-Ion)
Operating Voltage: 44 V nominal
Protection Rating: IP67 waterproof and submersible
Weight: 6.8 kg (extremely lightweight and portable)
Solar Charging: Dynamic charging during operation supported
Item Number: 1168-10

Torqeedo Travel Batteries

Torqeedo Travel Battery Standard (1080 Wh)

The Torqeedo Travel Battery Standard offers robust lithium-ion capacity for standard Travel outboards. Featuring full CAN bus telemetry, smart BMS protection, and a highly durable shock-resistant housing.

Key Features

Battery Capacity: 1080 Wh nominal (Li-Ion)
Operating Voltage: 44 V nominal
Protection Rating: IP67 waterproof
Weight: 8.3 kg (compact size and easy handling)
Compatibility: Standard Travel and Travel XP drives
Item Number: 1166-10

Torqeedo Travel Batteries

Torqeedo Travel Battery XP (1512 Wh)

The Torqeedo Travel Battery XP is the highest-capacity pack in the Travel series, delivering 1512 Wh. Optimized for extended cruising ranges and robust professional use.

Key Features

Battery Capacity: 1512 Wh nominal (Li-Ion)
Operating Voltage: 44 V nominal
Protection Rating: IP67 waterproof and submersible
Weight: 9.6 kg (excellent energy-to-weight ratio)
Compatibility: Travel and Travel XP drives
Item Number: 1167-10

Torqeedo Travel Batteries

Torqeedo Travel Battery Ultra Light (1080 Wh)

The Travel Battery Ultra Light is designed specifically for Torqeedo Travel Ultralight systems. Highly compact and robust, it offers an incredible capacity of 1080 Wh for kayaks and light fishing boats.

Key Features

Battery Capacity: 1080 Wh nominal (Li-Ion)
Operating Voltage: 44 V nominal
Protection Rating: IP67 completely waterproof
Weight: 8.6 kg
Compatibility: Travel Ultralight motors
Item Number: 1423-00

Torqeedo Travel Batteries

Torqeedo Travel Battery 915 Wh

High-capacity spare/replacement lithium battery pack for Torqeedo Travel 503, 603, 903, 1003, and 1103 portable outboards. Offers 915 Wh capacity, integrated GPS tracking link for real-time range calculating, and supports rapid solar charging.

Key Features

Battery Capacity: 915 Wh nominal rating (31 Ah)
Operating Voltage: 29.6 V nominal
GPS telemetry: Integrated receiver maps range and charge values
Solar Charging: Supports direct solar panel input
Waterproof Rating: IP67 completely submersible
Weight: 6.0 kg (easy to swap and carry)
Item Number: 1148-00

High Power 48V/72V Packs

Torqeedo Power 48-5000 Lithium (5275 Wh)

The Power 48-5000 is a high-performance marine lithium battery module developed in partnership with BMW i battery cell technology. Delivering 70% more energy density and 50% longer cycle life than typical LiFePO4 batteries.

Key Features

Battery Capacity: 5275 Wh nominal (LMO-NMC chemistry)
Nominal System Voltage: 44.4 V standard
Protection Rating: IP67 waterproof and submersible
Lifecycle: >3000 cycles at 80% DOD
Dimensions: 506 mm x 224 mm x 386 mm (31 L Volume)
Weight: 36.5 kg

Deep Blue High-Voltage Batteries

Torqeedo Deep Blue Battery 40 (LiNMC prismatic)

State-of-the-art automotive engineering made available for the marine market through a partnership with BMW i. Features prismatic cells in a highly robust frame designed for extreme shock resistance.

Key Features

Battery Chemistry: LiNMC Prismatic cells (Automotive BMW i3 technology)
Energy Density: Exceptionally high volumetric energy density
Design: Assembled in a rugged, shock-resistant marine frame
Application: Ideal for high-speed commercial boat propulsion
Protection Rating: Full IP67 waterproof enclosure

Deep Blue High-Voltage Batteries

Torqeedo Deep Blue Battery 80 (LFP Cell-to-Pack)

The latest generation of lithium iron phosphate (LFP) marine batteries. Leverages cell-to-pack architecture to deliver double the storage capacity in a smaller footprint with high thermal stability.

Key Features

Battery Chemistry: LiFePO4 / LFP Cell-to-Pack technology
Architecture: Direct integration of cells without modules
Voltage Curve: Extremely stable and flat discharge curve
Cycle Life: Abundant lifespan with low annual degradation
Safety: High temperature threshold, cobalt-free chemistry

High Power 48V/72V Packs

Momentum Battery MB-6 (6.4kWh, 72V)

The Momentum MB-6 is a premium marine battery module designed to fit into a typical fuel locker. Features an impact-resistant casing, CNC-machined aluminium handle, and complete CAN bus integration with the outboard motor.

Key Features

Battery Capacity: 6.4 kWh
Nominal System Voltage: 72 V
Cell type: Li-ion NMC prismatic cells
Lifecycle: >1500 cycles to 80% capacity
Protection Rating: IP67 waterproof with push-button level checks
Weight: 37 kg

High Power 48V/72V Packs

ZeroJet Battery Pack (2.7kWh, 48V)

The ZeroJet 2.7 kWh Battery Module is a custom-engineered Lithium Iron Phosphate (LiFePO4) battery pack optimized for high-discharge rates demanded by electric jet drives. Integrates perfectly with ZeroJet 15kW/22kW/30kW systems, featuring anti-corrosive marine casing.

Key Features

Battery Capacity: 2.7 kWh nominal (high-discharge LiFePO4 cells)
Nominal System Voltage: 48 V standard
Protection Rating: IP67 waterproof and marine coated
Lifecycles: Over 3,000 cycles at 80% DOD
Weight: 26 kg (extremely light and compact)

HAIBO Rock & Jin Series

HAIBO ROCK Series LiFePO4 (2500+ cycles)

The HAIBO ROCK Series provides ultra-safe Lithium Iron Phosphate (LiFePO4) power optimized for trolling motors. Designed for harsh marine environments, offering superior longevity and stability.

Key Features

Battery Chemistry: Lithium Iron Phosphate (LiFePO4)
Lifecycle: 2500+ full discharge cycles at 80% DOD
Protection Rating: IP67 waterproof enclosure
Smart BMS: Integrated protection against overcharge, overdischarge & short circuits
Application: Optimized for HAIBO Rock & iPenguin trolling motors

HAIBO Rock & Jin Series

HAIBO JIN Series (12V/24V/36V/48V/60V)

The HAIBO JIN Series offers high-fidelity lithium marine battery banks configured in a wide range of voltages to seamlessly support various trolling motor setups and accessories.

Key Features

Voltage Configurations: 12 V / 24 V / 36 V / 48 V / 60 V options available
Chemistry: Advanced marine-grade Lithium cells
Compatibility: Ideal for HAIBO Platypus, iPenguin and M-Series trolling motors
Smart BMS: Continuous temperature monitoring, cell-balancing and protection
Design: Shock-resistant housing with status indicators

Ready to go electric?

Tell us about your boat and duty cycle — we'll size the right system and battery bank.