EcoFlow LFP Battery Manuel utilisateur

LFP Battery User Manual

EN

Please read this User Manual and ensure you understand it fully before using the product. Please keep

this User Manual properly for future reference. Any incorrect usage of this product may cause severe

injury to the user or others, damage to the product, or loss of property. By using this product, the user

will be deemed as having understood, recognized, and accepted all the terms and contents of this User

Manual, and will be responsible for any incorrect usage and all consequences arising therefrom. EcoFlow

hereby disclaims any liability for any losses due to the user's failure to use the product according to the

User Manual.

In compliance with laws and regulations, EcoFlow shall have the final right to interpret this document

and all related documents for this product. Any update, revision, or termination of the contents thereof, if

necessary, shall be made without prior notice, and users may visit EcoFlow official website for the latest

information of the product.

Disclaimer

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1. Safety Instructions

1.1 Prohibitions

1. It is strictly prohibited to place this battery near heat sources, such as fire or heating furnace.

2. It is strictly prohibited to allow this battery to contact with any liquid. Do not immerse this battery in water. Do

not use this battery in rainy, damp, or wet environment.

3. It is prohibited to use this battery in strong static or strong magnetic field environment.

4. It is prohibited to disassemble this battery in any way or puncture this battery with sharp objects.

5. It is prohibited to connect the positive and negative terminals of the battery directly with wires or any metal

objects.

6. It is prohibited to dismantle or replace the battery cells.

7. It is prohibited to stack heavy objects other than another EcoFlow LFP battery on top of this battery.

8. It is prohibited to place this battery in an unventilated or dusty environment.

1.2 General Notices

1. Beware when using unofficial components or accessories. Please visit authorized EcoFlow channels for official

components and accessories information.

2. If the battery is compromised or battery cells are exposed, do not attempt to repair it yourself. Please have it

inspected and repaired by authorized EcoFlow repair centers.

3. In case of accidental leakage of chemicals inside this battery, do not touch or inhale. In case of accidental contact with

skin or eyes, wash with plenty of clean water and seek medical treatment immediately.

4. Do not operate this battery while wearing metal objects such as watch, necklace, and bracelet to avoid causing

accidental short circuits. If this battery catches fire, immediately use fire extinguisher or fire fighting equipment

water or mist, sand, fire blanket, dry powder fire extinguisher, carbon dioxide fire extinguisher.

5. When using this battery for the first time , if the battery appears broken or has abnormal smell, do not continue

to use this battery and return it to sellers.

6. If this battery accidentally falls into water during use, place it in a safe, open area and stay away from this battery

until it is completely dry, and this battery should not be reused and should be disposed properly in accordance

with the disposal methods in Section 8.2 of this User Manual.

7. lf the battery charging exceeds regular charging time, charging should be stopped. Overcharge may cause the

battery to overheat, to smoke and deform, or to combust.

8. This battery should be kept out of the reach of children and pets.

1.3 Handling Precautions

1. When handling this battery, use the non-slip metal handles from this battery for proper handling.

2. When handling this battery, be sure to secure it properly and keep it in a flat position.

3. Please handle with care.

2. EcoFlow App

Control, monitor, and customize your EcoFlow Modular Power System wirelessly with the

EcoFlow App. Download at: https://download.ecoflow.com/app

Privacy Policy

By using EcoFlow Products, Applications and Services, you consent to the EcoFlow Term

of Use and Privacy Policy, which you can access via the “About” section of the “User” page

on the EcoFlow App or on the official EcoFlow website at https://www.ecoflow.com/policy/

terms-of-use and https://www.ecoflow.com/policy/privacy-policy

EcoFlow app

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4.1 General Information

4. Battery Specifications

Net weight

Nominal Capacity

Nominal Voltage

Configuration

Approx. 89.5 lbs(40.6 kg)

19.7 x 10.2 x 11.8 in

500 x 260 x 300 mm

5120Wh(100Ah)

51.2V

16S1P

5kWh LFP Battery 2kWh LFP Battery

Approx. 37.7 Ibs(17.1 kg)

13.7 x 7.8 x 11.2 in

348 x 198 x 285 mm

2048Wh(40Ah)

51.2V

16S2P

Charging Cut-off Voltage

Discharging Cut-off Voltage

Max Continued Charging Current

Max Continued Discharge current

57.6V

40V

80A

100A

57.6V

40V

32A

80A

Battery Chemistry

Cycle life

IP Rating

LiFePO4

3,500 cycles to 80% capacity

IP54

LiFePO4

3,000 cycles to 80% capacity

IP54

Dimensions

3. What's in the Box

LFP Battery User Manual and

Warranty Card

Wall Mounting

Clamp

Screws

Battery Cable

Mounting Strap

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*To obtain longer battery life, it is recommended to use partial charging and discharging, i.e. with a depth of

discharge (DOD) of less than 80%. The DOD is the ratio of the amount of battery discharge to the rated capacity

of the battery.

4.3 Operating Temperature

*Whether this battery can be charged or discharged depends on actual temperature of the battery.

*This battery will activate auto-heating function when charging temperature falls below 0°C (32°F).

Discharge Temperature Range

Charge Temperature Range

-20°C~50°C (-4°F~122°F)

(auto-heating below 0°C (32°F))

Max. 90%RH

-20°C~50°C (-4°F~122°F)

(optimal 15°C~25°C (59°F~77°F))

5kWh LFP Battery 2kWh LFP Battery

Humidity Range

Storage Temperature

4.2 Cycle Curve

5kWh LFP Battery 2kWh LFP Battery

Capacity retention over lifetime at ambient temperature 25°C (77°F)

Capacity retention (%)

Number of cycles

Capacity retention over lifetime at ambient temperature 25°C (77°F)

Capacity retention (%)

Number of cycles

-20°C~50°C (-4°F~122°F)

(auto-heating below 0°C (32°F))

Max. 90%RH

-20°C~50°C (-4°F~122°F)

(optimal 15°C~25°C (59°F~77°F))

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5. Battery Overview

5.1 Introduction to Battery

5.2 EcoFlow Power Kits

There are two types of EcoFlow LFP Battery, 5kWh LFP Battery and 2kWh LFP Battery, both of which use the safest and

most reliable type of lithium iron phosphate battery cell (LiFePO4 or LFP). The nominal voltage of a single LFP cell is 3.2V.

The 5kWh LFP battery consists of 16 cells (100AH each cell) in 16S1P and the 2kWh LFP battery consists of 32 cells

(20AH each cell) in 16S2P. Nominal voltage of both batteries is 16x3.2V=51.2V.

Both batteries have built-in battery management system, which keeps the battery system operating in a reasonable

condition at all time and extends the battery service life.

The battery has a built-in auto-heating system to ensure that the battery can be charged safely and quickly at -20°C~50°C

(-4°F~122°F).

The EcoFlow Power Kits consist of the EcoFlow Power Hub, LFP Battery, AC/DC Smart Distribution Panel, Power Kit

Console, Rigid/Flexible/Foldable Solar Panel, and Smart Generator.

The Modular Power System aims to meet the needs of customers in off-grid scenarios such as caravans, off-grid build,

recreational marine, and home backup.

The Modular Power System is extremely easy to install straight out of the box. Using 48V battery system significantly

reduces the gauge and weight of battery cables, reducing wiring cost and increasing safety. The system's power

consumption can be monitored anytime and anywhere via EcoFlow App.

The Modular Power System supports multiple charging methods, including solar charging, alternator charging, smart

generator charging, and AC charging. It is capable of outputting 12V or 24V DC and 120V AC (according to local

standards) via the AC/DC Smart Distribution Panel, allowing it to power most AC and DC devices.

Caravan & Recreational Marine

AC OUT10A MAX

DC appliance

AC appliance

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3

2

6

5

44

8

7

Engine Alternator

Starter Battery

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Off-grid Build & Home Backup

Note: The figure shows the different types of sockets in different countries. It is for reference only, please refer to the

actual product.

5.3 Battery Appearance

AC OUT 10A MAX

2. Handle

1. LFP Battery Polarity Adapter Screw Position

3. LFP Battery Male Port 6. Base Stacking Recess

4. Fuse Cover

5. Recess for Strap

2. AC/DC Smart Distribution Panel

6. Shore Power/Grid Power

9. Vehicle Alternator

10. Fuse-100A (Not included)

1. EcoFlow Power Hub

3. Power Kit Console

4.

EcoFlow 2kWh/5kWh LFP Battery

5. EcoFlow Smart Generator

7. Rigid/Flexible Solar Panel

8. Foldable / Portable Solar Panel

DC appliance

AC appliance

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3

4

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Protection types include:

Over-discharge protection

Overcharge protection

Overload protection

Short-circuit protection

Overcurrent protection, etc.

Low Temperature

Indicator

1.

High Temperature

Indicator

2.

Heating Status

Indicator

3.

Charging Status

Indicator

4.

Battery Level

Indicator

5.

Protection Warning

Indicator

6.

1. Digital Display

2. Power On/Off

Button

6. Battery Operation

6.1 Battery On and Off

The battery can be switched on in two ways, via charging or via buttons.

The buttons that can be used to switch on the battery include,

1. the battery main power button;

2. the EcoFlow Power Kit Console main power button;

3. the EcoFlow Power Hub main power button.

The battery can be switched off via,

1. the battery main power button;

2. the EcoFlow Power Kit Console main power button;

3. the EcoFlow Power Hub main power button;

4. EcoFlow App.

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Switching On: Press and hold the power button for 2 seconds. The battery will switch on. Short press the power

button to wake up the screen. After switching on, the display will be illuminated and show the

remaining battery level.

Switching Off: Press and hold the power button for 3 seconds. The battery will switch off.

Display Sleep: After switching on the battery via the power button, the display will remain lit for 5 mins and will

then automatically switch off. To switch the display on or off, short press the power button.

6.2 Charging and Discharging the Battery

6.2.1 Connecting the Battery to the EcoFlow Power Kits

Connect the battery to Power Kits for charging (as follows):

AC OUT 10A MAX

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* The LFP Battery Cable consists of an AWG4 power cable (max. continuous current 100A) and a

communication cable.

6.2.2 Connecting the Battery to Third-Party Power Systems

EcoFlow LFP Battery is compatible with most commercially available 40V~60V third-party power systems. The

user can monitor the operating status of each battery by connecting the EcoFlow Power Kit Console or EcoFlow

Wireless Communication Dongle via the RJ45 port.

RJ45 Network Port

Posistive and

Negative Studs

LFP Battery

Female Port

Protection Cover

* Must be purchased separately

*EcoFlow Power Kit Console or EcoFlow Wireless Communication Dongle must be purchased separately.

AC OUT 10A MAX

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EcoFlow Power Kit

Console

Battery Busbar

* Must be

purchased

separately

EcoFlow Wireless

Communication Dongle RJ45 CAN

bus terminator

RJ45 CAN

bus terminator or or

Third-Party

Power Systems

This adapter comes with two RJ45 CAN Bus ports, each port can be connected to EcoFlow Wireless

Communication Dongle, Power Kit Console or another adapter. When two or more battery packs are connected

and the RJ45 CAN Bus port is not connected to either of the above modules, an RJ45 CAN bus terminator MUST be

connected to the port to ensure proper communication throughout the system.

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6.2.3 Battery Pre-Discharging

Battery pre-discharging is a function to limit discharging current temporarily before the battery begins to discharge

at high current. This will protect the capacitors of external electrical devices from being damaged by instantaneous

high current. Once connected, a current limiting resistor in the battery allows the capacitors of external electrical

devices to charge slowly. When the capacitor voltage rises to 90% of the battery voltage, the battery management

system removes discharge current limit, and the battery can discharge at high current normally.

6.3 Battery Auto-Heating

6.3.1 Charge Heating

The EcoFlow LFP Battery is built with charge heating function to work in low temperature environment.

Charge heating is automatically activated when ambient temperature is below 0°C (32°F) and the battery is in

charging mode. The activation sequence is as follows:

1. Charge heating requires charging input ≥ 250 W. When the battery internal temperature rises above

5°C (41°F), the battery can start charging process.

2. When the battery internal temperature rises above 10°C (50°F), charge heating stops, and battery

charging continues.

* The charge heating function works in temperature range of -20°C~0°C (-4°F~32°F).

6.3.2 Discharge Heating

The capacity of the battery can be significantly reduced when discharging at high power in low temperature. The

EcoFlow LFP Battery is built with discharge heating function to address this situation. Discharge heating function can be

activated manually by tapping the discharge heating button in the EcoFlow App as follows:

1. When the battery internal temperature is below 0°C (32°F) and the battery SOC ≥ 70%, tap the discharge heating

button in the EcoFlow App to activate the discharge heating.

2. When the battery SOC ≤ 50% or the battery internal temperature is higher than 10°C (50°F), the discharge heating

function is automatically switched off.

*The discharge heating function works in temperature range of -20°C~0°C (-4°F~32°F).

Why can't the battery automatically activate the discharge heating function?

Unlike charge heating which consumes power from the charging source, discharge heating consumes power from the

battery. In low temperature environment, if the battery automatically switches on the discharge heating function, this can

lead to frequent depletion of the battery itself.

The user should select appropriate connection cable according to the power of the third-party power system and

the discharge current of the battery.

The following table shows the load capacity of different battery connection cables:

Current (A)

15

25

40

60

80

100

120

150

Cable size (AWG)

14

12

10

8

6

4

2

1/0

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6.4 Connecting Batteries in Parallel

6.4.1 Charging and Discharging in Parallel

Connecting Batteries in Parallel via the EcoFlow Power Hub

The EcoFlow LFP Battery is a 48V battery system and only supports parallel connection. Up to three EcoFlow LFP

Batteries can be connected to the EcoFlow Power Hub at the same time. The EcoFlow LFP Battery Power Cable has

preset communication signal, allowing paralleled batteries to communicate with each other.

* Do not use the battery in series as this can potentially damage the battery.

1. Ensure the battery is switched off before connection.

2. Connect the battery to the EcoFlow Power Kits via the EcoFlow LFP Battery Power Cable as shown in the diagram

below.

6.5 Battery Management System

The battery is equipped with a battery management system (BMS) and has the following battery protection features:

Battery Discharging Low Voltage Protection

Battery Charging High Voltage Protection

Battery Charging/Discharging Overheat Protection

Battery Charging/Discharging Over-Current Protection

Battery Equalization Function

Prevents over-discharging of batteries

Prevents over-charging of batteries

Prevents high battery temperature

Prevents excessive battery current

Keeps each individual cell in the same

condition to ensure the battery is in an

optimal condition for use

*When protection is triggered, disconnect the battery and leave it for some time before restarting it.

AC OUT 10A MAX

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6.6 Replacing the Fuse

The EcoFlow 5kWh LFP Battery has a built-in DC 70V/150A replaceable fuse, while the 2kWh LFP Battery has a

built-in DC 70V/125A replaceable fuse. Under normal operating conditions, there is no risk of fuse blowing. When

an external short circuit occurs and the battery management system is not protected in time, the fuse will blow

immediately to protect the battery. When a short circuit occurs and the battery cannot be charged or discharged, the

fuse must be replaced. Replacement procedure is as follows:

1. Ensure the battery is switched off, open the fuse cover using a suitable tool, and keep the cover in a safe place.

2. Replace the fuse then install the cover back.

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7. Battery Installation

Precautions

1. After opening the battery package, first check the battery and accessories. If the battery is damaged or there is an

occurrence of missing parts, please contact the vendor.

2. Ensure the battery is switched off before installation.

3. Make sure the electrical specifications of the battery are compatible with the relevant devices and systems.

4. Keep the battery away from flame and liquid.

*In case of movement and vibration, such as in caravans and boats, the battery shall be fixed in the following three

configurations to prevent the battery from falling over.

LFP Battery Mounting Bracket

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3

2

4

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x1 x1

M6 M5

5

1

3

2

4

x1 x2 x2 x2 M6*20

1

2

LFP Battery Wall Mounting Clamp

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8. Battery Maintenance and Disposal

1. The battery must be stored in dry and well-ventilated environment. If the storage temperature is too high or

too low, this will affect the self-discharge rate of the battery and accelerate the natural aging of the battery. It

is therefore recommended to store the battery at a temperature of 20~45°C (68°F~113°F) and stay away from

water sources, heat sources, and metal objects.

2. If the battery is not going to be used for a long period of time, it is recommended to be stored intact in a semi-

charged state (60% SOC). The battery is recommended to be discharged to 30% and then recharged to 60%

every three months.

3. For safety reasons, the battery must not be stored at temperature above 45°C (113°F) or below 20°C (68°F).

4. When the temperature of battery is equal to or below -20°C (-4°F), the battery cannot be used for charging,

discharging or heating.

5. To extend the service life of the battery, the battery is recommended to be used at 20°C (68°F) to 45°C (113°F).

6. If the battery level is below 1% after use, it should be charged to 60% before storage. If the battery is left idle

for a long period of time with critically low SOC, irreversible damage to the battery cell will occur, reducing the

service life of the battery.

7. If the battery SOC is critically low and being left idle for too long, it will enter deep sleep mode and will need to

be recharged before it can be used again.

8.1 Maintenance Instructions

1. If conditions permit, make sure that the battery is completely discharged before placing the battery in the

designated battery recycling bin. The battery cells, which contain hazardous chemicals, are strictly prohibited

from being placed in an ordinary garbage bin. For relevant details, please comply with the user's local laws and

regulations regarding lithium battery recycling and disposal.

2. If the battery cannot be fully discharged due to the fault of the product itself, do not dispose the battery directly.

Contact a specialized battery recycling company for further disposal.

3. An over-discharged battery cannot be switched on. Please dispose the battery according to local laws and

regulations.

8.2 Disposal

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9. Troubleshooting

Low Temperature Indicator

High Temperature Indicator

Over-Discharge Protection

Overcharge Protection

Overload Protection

Short-Circuit Protection

Overcurrent Protection

Charging: Automatic recovery after battery

temperature above 5°C (41°F)

Discharging: Automatic recovery after core

temperature above -17°C (1.4°F)

Description of Error Error Type Recovery Methods

Charging: Automatic recovery after cooling to below

42°C (107°F)

Discharging: Automatic recovery after cooling to

below 52°C (125°F)

Battery charging, automatic recovery

when SOC > 0%

Charging stops and recovers automatically

after partial consumption of battery power

Remove the overpowered device and

restart the machine to recover it

Professional inspection recommended to eliminate

the cause of the short circuit

Remove the overcurrent device and

restart the machine to recover it

Icon stays on

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10. Frequently Asked Questions

What type of battery chemistry is used in this product?

This product uses high quality lithium iron phosphate.

How do I clean the battery?

The battery can be wiped with a dry, soft, and clean cloth or tissue.

Are lithium batteries safe?

The EcoFlow LFP Battery is protected by high-performance BMS and have undergone rigorous testings to ensure

safety in use.

Can the 5kWh LFP Battery and 2kWh LFP Battery be used in parallel?

This is not recommended — when using two models in parallel, the consistency of the batteries cannot be

guaranteed, which can lead to shortened life span of the batteries or even a safety hazard.

Can I charge the battery at low temperature?

Yes, when the battery is being charged at low temperature -20°C ≤ T ≤ 0°C (-4°F ≤ T ≤ 32°F), the charge heating

function is switched on prior to heat the battery before it is charged normally.

Can the battery be used with third-party power systems?

Yes, the user will need to perform extra wiring for this.

How do I store the battery?

When storing the battery, first switch it off and then store it in a dry, ventilated place at room temperature and

stay away from water sources.

Can the battery be heated when charging with MPPT at ambient temperature below 0°C (32°F)?

Yes. Depending on the intensity of solar radiation and the power of the solar panel used by the user. It is

recommended to connect to at least 400W of solar panel(s).

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Bitte lesen Sie dieses Benutzerhandbuch und stellen Sie sicher, dass Sie es vollständig verstehen,

bevor Sie das Produkt verwenden. Bitte bewahren Sie dieses Benutzerhandbuch zum späteren

Nachschlagen auf. Jede unsachgemäße Verwendung dieses Produkts kann zu schweren Verletzungen

des Benutzers oder anderer Personen, zu Schäden am Produkt oder zum Verlust von Eigentum führen.

Durch die Verwendung dieses Produkts wird angenommen, dass der Benutzer alle Bedingungen und

Inhalte dieses Benutzerhandbuchs verstanden, anerkannt und akzeptiert hat, und dass er für eine

falsche Verwendung und alle daraus resultierenden Folgen verantwortlich ist. EcoFlow lehnt hiermit

jegliche Haftung für Verluste ab, die darauf zurückzuführen sind, dass der Benutzer das Produkt nicht

dem Benutzerhandbuch entsprechend verwendet hat.

In Übereinstimmung mit den Gesetzen und Vorschriften hat EcoFlow das endgültige Recht, dieses

Dokument und alle zugehörigen Dokumente für dieses Produkt zu interpretieren. Aktualisierungen,

Überarbeitungen oder Streichungen des Inhalts werden, falls erforderlich, ohne vorherige

Ankündigung vorgenommen, und die Benutzer können die offizielle Website von EcoFlow besuchen,

um die neuesten Informationen über das Produkt zu erhalten.

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