ROAMER HOME Manuel utilisateur

Document version number: 1.0

Document release date: 27/09/2023

www.roamer.com

ROAMER

USER MANUAL

Roamer HOME

LiFePO4 Leisure Battery

Roamer Batteries

Since founding Roamer in 2020, we have strived to create and

deliver exceptional products and service that give you the conﬁdence

to venture further and live without limits. The company has grown

exponentially in the last three years, but our values and quality-ﬁrst

approach are still as strong as they were on day one.

We’re committed to supporting o-grid lifestyles through the quality

manufacturing of superior LiFePO4 batteries, customer care and expert

support. We are conﬁdent that you’ll be delighted with the quality and

performance of your new Roamer battery but if you have any concerns

or questions, please get in touch straight away.

Steve, Kate and the Roamer team

Roamer Batteries

Powering your O Grid Adventures

www.roamer.com

Safety

Roamer have taken every precaution to ensure that our batteries are

as safe as possible and give you complete peace of mind while using

our products. No battery is 100% safe however, and caution should

always be taken when handling or operating equipment containing, or

connected to, high-capacity energy storage devices.

LiFePO4 batteries should only be installed and operated by a

competent person. Please read this manual carefully and pay particular

attention to the recommended charge, discharge, and temperature

limits as these may be dierent to the Battery Management System

(BMS) maximum limits.

Please read the separate Safety User Guide carefully. This contains

essential safety information and best practice on how to use your

battery. If you have any concerns or questions about safety, please do

not hesitate to contact Roamer at support@roamer.com

Contents

What else is in the box?

What’s inside a Roamer battery?

Battery layout

Before you start

Installation

Connecting power cables

Parallel connection

Connecting RS485 link cables

Conﬁguring DIP switches

Connecting your battery to a PC

Connecting your battery to an inverter

Discharging

Charging

Low temperature charging

Monitoring state of charge

Storing your battery

Troubleshooting

Tech specs

Warranty

Returns & refund policy

Contact Roamer

What else is in the box?

• User manual

• Safety information sheet

• Warranty terms and conditions

• 2x M8x16mm stainless steel terminal bolts with captive washers

• 2x M8x10mm stainless steel terminal bolts with captive washers

• Cable pack (inc. programming cable and battery link cable)

Please retain all documentation for future reference, but if you misplace them or

decide to recycle them then digital versions are also available on our website. If any

of these parts are missing, please contact us at support@roamer.com or call

our technical support team on (+44) 113 8878335 to arrange a replacement.

What’s inside a Roamer battery?

The Roamer HOME battery consists of sixteen 105Ah 3.2V grade A LiFePO4 cells

connected in series to create a pack with nominal voltage of 51.2V and charge

capacity of 105Ah. This provides a total energy capacity of 5.38kWh. Cells oer

an industry leading 4000 cycles @ 80% depth of discharge and are rated for a

continuous charge and discharge of 1C (105A).

Each battery includes a premium Battery Management System (BMS) which protects

the battery cells from low voltage (over-discharge), high voltage (over charge), over-

current, short-circuit, and under or over temperature. Charging and discharging are

controlled separately, allowing you to discharge even when charge protection is in

place. The BMS can connect to other devices via CAN protocol via one of the RJ45

ports on the front panel. This enables connection to a wide range of inverters for BMS

managed charging, as well as CAN battery monitoring systems. For speciﬁc inverter

protocols and set up instructions, please see the separate setup guides on our

website, or contact Roamer Support.

Your battery is professionally constructed using precision engineered steel brackets,

CNC-cut epoxy insulation board and high-capacity busbars and cable. We take

immense pride in the quality and reliability of our batteries, but we also make them

fully serviceable in case of problems or if an upgrade becomes available. While the

case can be opened for repairs and upgrades, please do not try to do this yourself

without speaking to Roamer Technical Support as you will invalidate your warranty.

Battery Layout

Please refer to the guide below for connection identiﬁcation and use information.

1Positive Battery Terminals

2Power Switch

3Negative Battery Terminals

4Reset Switch

5Address DIP Switches

6RS485 RJ45 Socket A

7BMS-CAN RJ45 Socket

8RS232 RJ11 Socket

9RS485 RJ45 Socket B1

10 RS485 RJ45 Socket B2

11 WiFi & Bluetooth Antenna

12 Power On

13 Status LEDs

14 Charge State LEDs

12 3

1413

68 9 10 11

Before you start

Prior to installation please check that all accessories and hardware is present, and

that the battery has not been damaged during transit. Check that the battery is

operating normally by switching it on using the main rocker switch on the front panel

while you press and hold the RESET button on the front panel for 3 seconds to boot.

During the boot process, the six capacity indicators (4), alarm indicator (5) and output

indicator (6) on the front panel should all turn on. The alarm indicator should turns o

while the output indicator remains on. The capacity indicators will settle to show a bar

that estimates the remaining charge in the battery.

If the ALM alarm indicator ﬂashes after the battery is turned on, it means that the

battery is in an alarm state. If the alarm LED shows on ﬁrst power on, press and hold

the reset button for 10 seconds until all the LEDs are turned on, then release the reset

button. This resets the battery allow the battery to reset and conﬁrm whether the

alarm is cleared. If the alarm LED persists after the battery as rebooted, it is likely to

be a battery undervoltage ﬂag (usually caused by the battery being left without a ﬂoat

charge for a long period). In this case, place the battery on charge for 30 minutes to

raise the pack voltage. If the alarm is cleared, the battery can be used normally. If the

alarm persists, please contact Roamer customer support for further guidance.

Installation

Your battery should be installed lying ﬂat with the Roamer logo the correct way up,

or upright with the Roamer logo facing upwards. If the battery is installed in a vehicle,

then it is crucial that the battery is securely fastened down so that it cannot slide

while the vehicle is moving. It must also be accessible so it can be disconnected and

removed in an emergency. We recommend always having tools available including

cable cutters and a socket wrench of the correct size.

You should install the battery in a way that avoids exposing it to extreme heat or cold,

and facilitates an even temperature distribution across the whole battery pack.

The Roamer HOME battery should be installed in accordance with one of the

methods outlined below:

Standard cabinet (rack) installation: Install the battery pack and ﬁx it with suitable

bolts or ﬁxings (not supplied) in the front and rear mounting brackets. The Roamer

HOME has a size of 5U.

Vertical mounting: The battery can be sat on its end with the terminals pointing

vertically upwards. The battery should be secured using the front and rear brackets

were possible to prevent movement or the battery falling over. Alternatively, place

bracing around the battery to ensure it cannot move.

If you intend to use an alternative mounting method, please contact Roamer customer

support for guidance.

Connecting power cables

Please ensure the battery is switched o before connecting cables.

Your battery comes supplied with M8 bolts with ﬂat washers and spring washers pre-

attached. You should terminate your battery cables with copper tube ring terminals

with an 8mm hole. The cable termination should be placed ﬂat, directly in contact

with the battery terminal. The bolts should be tightened to a torque of 10Nm.

You should only have one main cable connected to each battery terminal bolt. There

are two positive and two negative terminals on each battery to facilitate connection

between multiple batteries in parallel. Both positive (or negative) terminals are

directly connected internally so you can choose which is the primary and which is the

secondary terminal.

Parallel connection

Multiple batteries can be wired together in parallel to create higher capacity battery

banks.

Parallel conﬁguration is achieved by connecting the positive terminals of multiple

batteries together to create one common positive node and connecting the negative

terminals together to create one common negative node. The capacities and

maximum current outputs are added together but the voltages are not. For example,

two 48-105HOME batteries in parallel will have a total capacity of 210Ah, a peak

delivery current of 200A, and a nominal system voltage of 51.2V.

• It is possible to connect to 15 HOME batteries in parallel.

• We do not recommend connecting HOME batteries in series.

• All batteries must be fully charged and allowed to settle to within 0.05V of each

other before connecting in parallel.

• Batteries in parallel series must be the same brand, voltage, capacity, and age.

• If connecting two batteries in parallel, you should take the positive cable to loads/

chargers from battery A and the negative cable from loads/chargers to battery B.

• If connecting more than two batteries in parallel, you should connect each battery

to a busbar rather than connecting directly.

Connecting RS485 link cables

When using multiple batteries in parallel, you should use the link cables provided (or

any other standard RJ45 ethernet cable). You should use the two ports on the right

side of the battery as you look at it, labelled as RS485 / Link in the diagram. Connect

one end of the link cable to one RJ45 socket on the ﬁrst battery, and the opposite

end of the link cable to the corresponding RJ45 socket on the next battery. Repeat

this process by alternating pairs of RJ45 sockets until all batteries have been linked.

Conﬁguring DIP switches

When multiple batteries are connected together, you need to allocate each battery a

unique address so that any connected devices and monitoring equipment are able

to identify each one separately (by default they will all be set to address 0). Do this

by changing the DIP switches (the little red and white selector switches) on the front

panel. These use binary encoding, so up to 16 unique addresses can be set using just

four switches. You should set the address of the ﬁrst battery as ‘1’ and then increase

incrementally as per the diagram below.

0 1 2 3

4 5 6 7

8 9 10 11

12 13 14 15

Ce manuel convient aux modèles suivants

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