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Lithium Iron Phosphate Battery (LiFePO4)


High-performance and durable lithium battery for electric boating



Lithium Iron Phosphate Battery (LiFePO4)

High-performance and durable lithium battery for electric boating


Why Choose The E-Series LiFePO4 Battery

Maximum Safety

The intelligent battery management system (BMS) is applied to provide maximum safety for the users.

High Energy Density

3 times higher energy density and 70% less weight than lead-acid batteries.*

Long Life Cycle

3,000 cycles at 80% DOD, the E-Series lifepo4 batteries power your motors much longer than lead-acid batteries.*

Easy to Install

The connectors of E160/E163 can be installed with only ONE hand. No additional tool is required.

Competitive pricing

Unit price of E40/E80/E175 is as low as $0.5 per watt-hour.

*Under equal capacity.

Fully Compatible with ePropulsion Motors

Data synced with ePropulsion motors to apply smart operation strategy.

The Features of the New E60 and E163 LiFePO4 Batteries

High Performance

E60 (single battery) can support Navy 3.0 Evo (3kW) full power output.

Flexible Installation

The height of E60 battery is only 300 mm, allowing flexible installation under the boat seat or other available spaces.


Features a new innovative double-layer plastic housing design weighing only 33 kg and can be easily lifted by two persons.

High Performance

E163 (single battery) can support Navy 6.0 Evo (6kW) full power output.

High Reliability

All-metal housing is more reliable, weather resistant, impact resistant and drop proof.

It’s Time to Replace your Lead-Acid Battery with our LiFePO4 Battery

The chemistry of E-Series batteries is LiFePO4, which is 30% lighter but provides about 50% more usable capacity than AGM lead-acid batteries. In addition, LiFePO4 batteries have a longer life of up to 3000 cycles, while the AGM can only reach 300 to 500 cycles.


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3072 Wh / 60 Ah
8345 Wh / 163 Ah
Rated Voltage
51.2 V
51.2 V
Battery Life
3,000 cycles at 80% DOD
3,000 cycles at 80% DOD
33 kg
76 kg
512 x 290 x 300 mm
(20.2 x 11.4 x 11.8 in)
470 x 295 x 495 mm
(18.5 x 11.6 x 19.5 in)
Cut-off Voltage
41.6 V
41.6 V
Final Charging Voltage
57.6 V
57.6 V
Max Continuous Discharging Current
70 A
150 A
Serial Connection
Parallel Connection
Up to 16
Up to 16
Cell Configuration
ChargerE-Series battery chargerE-Series battery charger
Charging Time (220V)One charger: 2.7 Hrs
Two chargers in parallel: 1.3 Hrs
One charger: 7.2 Hrs
Two chargers in parallel: 3.6 Hrs
Charging Time (110V)One charger: 4 Hrs
Two chargers in parallel: 2 Hrs
One charger: 11 Hrs
Two chargers in parallel: 5.4 Hrs
Charging Temperature0 to 55℃ (32 to 131˚F)0 to 55℃ (32 to 131˚F)
Discharging Temperature-10 to 60℃ (14 to 140˚F)-10 to 60℃ (14 to 140˚F)
CommunicationAvailable: CAN-Bus for Parallel
RS485 for ePropulsion motors
Available: CAN-Bus for Parallel
RS485 for ePropulsion motors
Shipping ClassificationUN3480, Class 9, UN38.3 CertifiedUN3480, Class 9, UN38.3 Certified
Warranty (Non-Commercial Use)2 years2 years
Capacity2048 Wh4096 Wh8960 Wh
Max Continuous Discharging Current40 A80 A150 A
Rated Voltage51.2 V51.2 V51.2 V
Final charging voltage57.6 V57.6 V57.6 V
Cut-off voltage41.6 V41.6 V41.6 V
Battery Life3000 Cycles at 80% DOD3000 Cycles at 80% DOD3000 Cycles at 80% DOD
Series ConnectionNot allowedNot allowedNot allowed
Parallel ConnectionUp to 16Up to 16Up to 16
Charging Time

110V: 2 hrs

220V: 2 hrs

110V: 4 hr

220V: 3 hrs

110V:  9 Hrs (charger *1) / 4.5 Hrs (chargers *2 in parallel)

220V: 6 Hrs (charger *1) / 3 Hrs (chargers *2 in parallel)

Weight28 kg / 61.7 lbs53 kg / 116.8 lbs87 kg / 191.8 lbs
Dimensions42 x 39 x 20.7 cm / 16.5 × 15.4 × 8.2 inches55.5 × 44 × 21.2 cm / 21.9 × 17.3 × 8.4 inches50 × 56.5 × 27.7 cm / 19.7 × 22.2 × 10.9 inches


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E Battery Charger
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E-Series Battery Remote Switch
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E-Series Battery Communication Extension Cable 2m
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Y Type Communication Cable
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E-Series Battery Communication Terminator
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E-Series Battery Communication Cable 1.5m
Read More
Communication Extension Cable 5m
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Communication Cable 5 m
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Communication Cable 0.5 m

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Why choose an E-Series battery over a 3rd-party option?

ePropulsion batteries are designed for maximum efficiency, performance and safety. Using 3rd-party batteries does not allow for the use of our communication cable which brings data accuracy to the gauge and ensures useful operating strategy for safety and performance.

Can I use the third-party chargers (solar chargers) for E-Series Battery?

No. Third-party chargers are not allowed for warranty reasons. Consult with your dealer or ePropulsion on Facebook before you use a 3rd-party charger.

Can I connect different E-Series battery sizes in parallel?

No. For parallel connection, E40, E60, E80, E163 and E175 can only be connected to the same model of the same age because they have different Battery Management Systems and different cell configurations.

What is the communication terminator used for?

It improves the signal quality. Without the communication terminator, E-Series batteries won't work in a parallel connection. Make sure you purchase this tool before a parallel connection.

How do I turn on and turn off the E-Series batteries in parallel connection?

Always power the master battery on/off first, not the secondary battery. If the secondary battery is powered on/off before the master battery damage or reduced usable capacity may occur.

Are all E-Series chargers compatible with any E-Series battery?

No. The chargers for E40, E80 and E175 are universal. The E60 and E163 chargers are new E-Series chargers.

How to store E-Series batteries for a long time?

When the battery is not in use, make sure that the battery's connectors are covered well with waterproof caps. Protect against moisture, dust, water, shock and heat. Every 3 months of storage, the battery should be recharged to 60%.

Can E-Series batteries be connected in series?

No. The E-Series batteries can only connect in parallel.


Video Tutorial

General Instructions

Instructions for Parallel Connection

Accessory List

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