Waterworld 48-6500 User manual
Version 1.2.2 - English 48-6500
48-6500
Lithium Iron Phosphate battery
2
Water World Electronics
Weerdijk 14 – 8375 AX Oldemarkt
Telefoon: 0561 451 636
www.ww-el.com
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Congratulations and thank you for purchasing the Waterworld 48-
6500 Lithium Iron Phosphate battery. At Waterworld it is our goal
to give our customers the best performing, most relieable and
safest battery system possible. To achieve this we need your help
during installation and operation. Please read these instructions
carefully to maintain our high standards during installation and
operation of the battery.
Also, reading the manual will teach you how you can get the
best out of your system and increase its longetivity!
If you have any questions or remarks regarding this manual or the
battery itself please feel free to contact us at:
We hope you enjoy your battery!
*Technical changes and errors in the manual are reserved. Always use the
latest version of the manual available at ww-el.com
Contents
1. Introduction 5
1.1 General information on the instructions 5
1.2 Safety information 5
2. Product delivery details 6
2.1 Overview of components 6
2.2 Overview and controls of WW 48-6500 6
3. Technical specications of 48-6500 8
4. Safety 10
4.1 General safety instructions 10
4.2 Safety introduction 10
4.3 Intended use 10
4.4 Unintended use 10
4.5 Before use 10
4.6 General safety information 11
5. Installation of the battery 13
5.1 Connecting multiple batteries in parallel 13
5.2 Installation 15
5.3 Wiring 15
5.4 Ventilation 16
5.5 Checking your system 16
5.6 Switching the battery on and off 16
5.7 Connecting the WaterWorld Battery Link 16
5.8 Functions of the WaterWorld Battery Link 17
6. Protection mode 18
7. Charging the battery 19
7.1 Overview of charging components 19
7.2 Connecting the charger to the battery 19
7.2 Charging the battery 21
7.5 LED status indicator 21
7.6 Error identication 21
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8. Storage and maintenance 22
8.1 Storage 22
8.2 Maintenance 22
9. Error problem solving 22
10. Transportation guidlines 23
11. End of life and disposal 23
12. Tips to increase battery lifetime 23
5
1. Introduction
1.1 General information on the instructions
The instructions in this document describe all functions and pro-
vides safety information on the WW 48-6500 Lithium Iron Phos-
phate Battery.
It is our goal to make the use of our batteries as easy as possible
by providing all the information needed to understand, install
and operate the battery. This instruction manual ensures you are
able to operate the battery safely in compliance with its intended
use. If by any chance you feel information is not clear or are not
certain how to install or operate the battery, please contact our
customer service for your safety and the safety of the battery.
Always use the most recent version of these instructions which
can be downloaded on our website:
www.ww-el.com/downloads
By reading and following these instructions you will:
• Avoid dangers to yourself and your surroundings.
• Reduce outage times and repairs.
• Increase the lifetime of your battery and the reliability of your
system.
1.2 Safety information
In this instruction manual safety information will be presented us-
ing symbols and hazard classes. The hazard classes are subdivid-
ed in categories based on severity of the consequences and the
likelihood of occurrence. The hazard classes are depicted below:
Hazard classes
Danger!
Direct hazard with high risk.
Death or severe physical injuries may result if the risk is not
avoided.
Warning!
Potential danger
Severe physical injuries may result if theinstructions are not
followed properly.
Atttention!
Danger with low risk
Physical injuries may resultwhen the instructions are not followed
Advice
Mandatroy instructions
Use these instructions for safety and correct installation of your
battery.
6
2. Product delivery details
2.1 Overview of components
WW 48-6500 Lithium Iron Phosphate battery
The following components are included in the product package:
• 1x 48 Volt battery
• 1x User manual
• 1x Positive male cable plug*
• 1x Negative male cable plug*
• 4x M5 type 30 T-nut
Optional: Battery Link (needed in combination with a WaterWorld
drivetrain)
The following components are included in the product package:
• 1x Battery Link module
• 1x User manual
• 1x RJ45 waterproof data cable
2.2 Overview and controls of WW 48-6500
1. Power Button
2. Communication socket
3. Negative terminal
4. Expansion valve
5. Positive terminal
6. T-slots
7. Specications
Negative terminal connector
Positive terminal connector
1. Power on/off
2. Communication port
3. Positive terminal
4. Expansion valve
5. Negative terminal
6. T-Slot
7. Specifications
*available separate at your WaterWorld dealer
7
Power Button
Use the power button to remove voltage over the battery termi-
nals. When the switch is pressed in the battery is turned on and
it will have 51.2V (nominal) over its terminals. When the switch
is pressed again and the button is level with the enclosure the
battery is turned off and will not have voltage over the output
terminals
Communication socket
The communication socket is only used in combination with a
WaterWorld drivetrain. To enable the communiaction port a
WaterWorld communication gateway is needed. This is further
explained in chapter 5.5 of this user manual.
Negative terminal
The (female) black negative terminal (-) needs to be connect-
ed to the negative (-) terminal of your system. To do this use
the black (male) negative terminal connector provided to you
seperately. IMPORTANT! the female terminal is only waterproof
when covered by the plastic cover that comes with delivery or
when the male connector is plugged in. An open terminal is NOT
waterproof.
Expansion valve
The expansion valve regulates air pressure between the inside of
the battery and its outside environment. The valve is waterproof
as long as it is not damaged. Make sure that during installation
the expansion valve is safe from damage.
Positive terminal
The (female) red postitve terminal (+) needs to be connected
to the positive (+) terminal of your system. To do this use the red
(male) positive terminal connector provided to you seperately.
IMPORTANT! the female terminal is only waterproof when covered
by the plastic cover that comes with delivery or when the male
connector is plugged in. An open terminal is NOT waterproof.
T-Slots
The type 30 T-Slots in the alumuninium battery enclosure enable
attaching accesories to the enclosure. Four M5 nuts are provided
in the T-slot to attach the handles or rubber supports.
Specications
The most important specications to consider are engraved on
the enclosure. Make sure these are not damaged and can be
read by the user.
Serial number
The serial number can be found on the back of the battery. An
example of the serial number is: WWNL-22014865001
8
3. Technical specications of 48-6500
General Features
Capacity 6500 Wh
Nominal Voltage 51.2 V
Final discharging voltage 43.2 V
Maximum discharge rate 100 A
Maximum discharge rate at
nominal voltage
5120 W
Weight 60 kg
Dimensions (LxBxH) 650 mm x 255 mm x 215 mm
Volume 35.6 L
Battery Chemistry Lithium iron phosphate (LFP)
LiFePO4
Battery management and safety
On-off switch Yes
Cell balancing Yes
High current and short-circuit protection Yes
Deep discharge protection Yes, cut off at 41.6 V
individual cell string voltage monitoring Yes
Safety vent for each cell Yes
Cell temperature monitoring and pro-
tection
Yes
Temperature monitoring of battery
electronics
Yes
Low temperature shut off Yes
High temperature shut off Yes
Lifetime data
Cycle lifetime >4000 cycles with 80% dis-
charge depth at 25 °C to
capacity loss of 20% at 0.2 C
9
Battery composition
Capacity per cell 6 Ah
Nominal voltage per cell 3.2 V
Cell connection 16S22P
Information system
Interface CAN
Electronic battery identica-
tion
Yes
Error identication Yes
Use information
Ambient temperature, dis-
charging
-10°C up to +45°C
Ambient temperature,
charging
0°C up to +45°C
Ambient temperature, storage -25°C up to +60°C
Typical storage time at 50%
SOC
40 weeks without any load
(turned off)
Max connections Up to 1 Series 8 Parallel
Max quick charge 80 A
Protection class IP65
10
4. Safety
4.1 General safety instructions
Advice!
Read the instructions in this user manual carefully before oper-
ating the battery system. Always comply with safety warnings
stated in this user manual. Always stay alert while working with
and installing of the battery and other electric components
4.2 Safety introduction
The battery and its components are designed with safety and
user friendliness as a top priority and have been extensively test-
ed. However, dangerous situations may occur when the battery
is not handled properly or misused. This can result in physical harm
to persons or property. Always follow the guidelines stated in this
user manual as well as local safety and accident prevention
regulations.
4.3 Intended use
The WW 48-6500 battery can be used as a stand alone battery
or in combination with WaterWorld electric drive systems. Please
be aware the data cable is only compatible with WaterWorld
electric drive systems in combination with the WaterWorld com-
munication gateway. The maximum power output of the battery
is 5120 Watt. It is important to realise that when a bigger load is
connected the battery will shut off to avoid damage. The battery
must always operate in a system that respects its specications.
When a larger power is needed batteries can be installed in
parallel up to 8P.
4.4 Unintended use
The manufacturer accepts no liability when the battery is used
as anything that is not specically dened as its “intended use”
as dened in this user manual. All other use cases that are not
described in this manual are dened as “unintended use”. The
operator of the battery is solely responsible for any harm or dan-
ger arising from such unintended use.
Amongst others, the following are deemed unintended use:
• Permanent contact with water
• Use of third party battery chargers
• Use of cable sets that do not have a master switch or suf-
cient fuses
4.5 Before use
Before use check the condition and functioning of the battery.
The battery may only be handled and operated by adults.
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