Freedom Won LiTE 5/4 Marine User manual

Installation Manual
Freedom Lite Marine
Range of Lithium Iron Phosphate Batteries
Manufactured by Freedom Won (Pty) Ltd
Kimbult Industrial Park, Unit C3 & C4
9 Zeiss Road
Laser Park, Honeydew
2040
South Africa
www.freedomwon.co.za
Technical and Installation Assistance –Contact:
Please contact your Freedom Won Distributor or Reseller Installer for technical and installation
support. A directory of Distributors and Reseller Installers is available at www.freedomwon.co.za.
For advanced support please contact [e-mail].
Revision 3–25 July 2022

Freedom Lite Marine Installation Manual Revision 3
P a g e 1 | 24
1. Introduction
This manual is intended to aid an installer with the installation and commissioning of the
range of Freedom LiTE Marine lithium iron phosphate (LiFePO4) energy storage models.
This document is not intended to provide detailed information of the inner working of
Freedom LiTE that is not relevant to a person that is performing the installation and final
commissioning. Supplementary information relating to the programming of the built-in
battery management system and advanced troubleshooting is available to approved
integrators directly from Freedom Won.
This manual does not attempt to cover all the details pertaining to the setup of third-party
equipment in relation to the interface and necessary functionality to work with the LiTE.
Freedom Won however is available at the contact details on page one to provide direct
support where necessary for supported inverter brands.
2. Product Description
The Freedom LiTE technology is available in various standard sizes to meet all residential,
commercial, and industrial applications ranging from 5kWh to 800kWh. Larger systems are
accommodated by installing multiple units in parallel. Models designed for mobile
applications including Marine and Mobility are also included in the range line up.
Freedom Won offer the following ranges in LiFePO4 technology:
•LiTE 12V
•eTower
•LiTE Home and Business
•LiTE Home and Business HV
•LiTE Marine
•LiTE Mobility (golf carts, forklifts, etc.)
•LiTE Commercial (including LiTE Commercial HV and HV+)
•LiTE Industrial
Please refer to the manuals specific to the applicable range required.
This manual covers the models of the LiTE Marine range from 5kWh up 30kWh.
The LiTE Marine range of lithium batteries offers 13V, 26V and 52V options to suite ‘12V’,
‘24V’ and ‘48V’ systems respectively. These models are specifically designed to provide high
end energy storage performance to the boating industry. It is designed for below deck
applications away from direct saltwater exposure. For applications for open deck operation
such as ski boats, please contact Freedom Won for a solution.
The 13V and 26V options suit ‘12V’ and ‘24V’ systems used in the marine industry. 52V is also
available to accommodate land-based applications where moisture and corrosion resistance
is desired such as houses located particularly close to the coast.

Freedom Lite Marine Installation Manual Revision 3
P a g e 2 | 24
The LiTE Marine range is water and corrosion resistant, rated at IP65, associated with sea
moisture exposure. Note that the product is not suitable for repeated direct exposure to sea
water.
The range is designed with a low profile to fit into height restricted lockers, etc. All models
are supplied standard with plastic feet. It is permissible to stack Marine models on top of
each other, up to three high (this relates to land-based applications).
Table 2.1 provides and overview of the Freedom LiTE Marine range. There are Freedom LiTE
models in the Marine range, as included in Table 2.1, classified in terms of energy capacity.
An image with numbered labels pertaining to the following paragraphs is provided in Figure
2.1. The model number denotes with first number [1] the total energy storage capacity in
kWh of each model. The second number [2] denotes the maximum average amount of energy
in kWh that should be withdrawn per cycle (on average) in order to optimise the life of the
lithium cells. This equates to 80% of the total for each model i.e., 80% depth of discharge
(DoD). Note that all Freedom LiTE batteries offer a maximum of 90% DoD as standard.
The available voltage options are also provided in Table 2.1. The Ah capacity of the Freedom
LiTE Marine models are provided in Table 2.2 for easy reference.
The maximum current for each model is governed by the rating of the built-in circuit breaker
[3], which has been sized below the maximum current capability of the lithium cells. This will
protect the battery from over current situations. There is no significant cell temperature rise
during operation and no active cooling of the cells is required. The time limits for operation
at the maximum current should be observed (see Table 2.1). To ensure that the circuit
breaker does not trip in normal operation it is advised that the design of the system aims to
remain at, or below, the continuous current value.
For assistance with setting up the inverters and charge controllers, please refer to Table 2.3
for voltage values required for operation of the battery.
The BMS will command the connected inverter with CAN Bus interface to stop discharging
the battery at 10% SoC (State-of-Charge), or 90% DoD (Depth-of-Discharge). Under high load,
the voltage may drop lower than the estimated voltage provided in Table 2.3 while still above
10% SoC.
The standby current draw on the battery and the inverter can cause the battery to discharge
below 10% SoC. The battery breaker will trip the battery at or around the minimum cut-out
to protect the cells from under voltage.
Table 2.1 provides the maximum charge and discharge current and power ratings of the
battery and the associated maximum installed inverter power.

Freedom Lite Marine Installation Manual Revision 3
P a g e 3 | 24
Figure 2.1 Labelled image of the Freedom LiTE Marine 5/4 (Labelling corresponds with the
text)
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[14]
[13]

Freedom Lite Marine Installation Manual Revision 3
P a g e 4 | 24
1. Gross Capacity
2. 80% Capacity recommended for daily cycling (max available is 90%)
3. Breaker
4. Power Cables
5. CAN Bus Sockets x 2 (RJ45) (one socket must contain a termination resistor if end of
line)
6. USB Programming Port (note in models produced prior to July 2020 the port is a DB9
plug)
7. Supplied USB cable
8. State of Charge Display
9. Reset Button
10. On Button
11. Off Button
12. Handles for Manual Lifting (larger models have eye bolts)
13. Moisture protection breaker lens cover
14. Feet
The weight of each model is given in Table 2.1. The Freedom LiTE Marine 5/4 and 10/8 can
manually be lifted with the fitted handles by two people. The larger units require lifting
equipment of varying degrees for handling and installation as explained later in this
document.
The dimensions given are for the principal outlines of the aluminium housing and exclude
items that protrude such as the DC cable glands and handles.
The DC cables [4] exit the unit through glands located on one end of the casing (opposite end
to the breaker). The cable sizes are provided in Table 2.1 for each model. The correct cable
lugs for connecting these leads to the inverter must be in hand when doing an installation. If
there are several inverters, alternators and charge controllers that need to be connected to
the battery it is advisable to install a junction point from which to branch out to all the battery
connected equipment. In boats, these cables could typically be routed to DC busbars in the
power distribution and control console.