Tab LiFePO4 User manual

www.tab.si
TAB LI-ION BATTERIES
Lithium Iron Phosphate Batteries
6.4V • 12.8V • 25.6V
USER MANUAL

User Manual
Dear customer,
this manual contains all relevant information necessary to install, use and maintain
the TAB Lithium Iron Phosphate Batteries, either 6.4V, 12.8V and 25.6V batteries.
Read this manual carefully before installing and using the product. In this manual,
our Lithium batteries as described above, will be referred to as: Sealed Lead Acid
Replacement Batteries.
This manual is meant for the installer and the user of the LiFePO4 batteries. Only
qualied, certied personnel may install and perform maintenance on the Sealed
Lead Acid Replacement Batteries.
Please consult the index at the start of this manual to read information relevant
to you.
This is the original manual, keep it at a safe location!

Contents
1. Introduction 5
1.1. Product Description 5
1.2. Glossary of Terminology 5
2. Product Specication 5
2.1. Product Features & Benets 5
2.2. Product List 7
2.3. Environmental Conditions 9
2.4. Product Lay-out and Connections 9
2.5. Operation Modes 10
3. Safety Guidelines and Measures 10
3.1. General 10
3.2. Disposal 11
4. Installation 11
4.1. General Information 11
4.2. Unpacking 11
4.3. Preparing the Battery for Use 11
4.3.1. Location of the LiFePO4 battery 11
4.4. Connection Cables (+ and -) 11
4.5. Connecting a Charger to the LiFePO4 Battery 12
4.6. Connecting Batteries in Parallel to a Charger Device 12
4.7. DC Load Connected - Discharge Protection 13
4.8. Parallel Battery Use 13
5. Battery Use 14
5.1. General Information 14
5.2. Charging 14
5.3. Charging Rate 14
5.3.1. Charging Method 15
5.3.2. Battery Balancing 16
6. Inspection, Cleaning and Maintenance 17
6.1. General information 17
6.2. Inspection 17
6.3. Cleaning 17
7. Storage 18
7.1. General information 18
8. Disposal and Recycling 18
8.1. General Information 18
9. Warranty and Liability 19

1. Introduction
1.1. Product Description
TAB’s Sealed Lead Acid Replacement Batteries are Lithium Iron Phosphate
rechargeable batteries. Lithium Iron Phosphate (LiFePO4) technology is considered
as the latest and safest lithium technology available in the market.
Potential applications of this TAB LiFePO4 battery include: recreational
vehicles/Caravans, boats, mobile homes, industrial energy storage solutions.
1.2. Glossary of Terminology
BMS: Battery Management System
Charge cycle: A period of use from fully charged, to fully discharged, and fully
recharged again
Endurance Life-cycle: The products maximum lifespan, achieved by following the
guidelines presented in this manual
LiFePO4: Lithium Iron Phosphate
SoC: State of Charge
CC-CV: Constant Current - Constant Voltage
2. Product Specication
2.1. Product Features & Benets
• Replacement for sealed lead acid batteries
• Traction battery behavior
• Lithium Iron Phosphate (LiFePO4): Safe lithium technology
• High performance, even under extreme conditions
• Integrated BMS (Battery Management System)
• Fast charging and discharging
• Very ecient, no charge factor
• Maintenance free
• Adaptive cell balancing
• Low self-discharge
5

Optional
• Smart Battery Monitoring System
• DC Disconnect by Latch Relay (external discharge protection)
• Smart battery charging by Handi/ Supreme/ Supreme Pro chargers
• Smart battery charging by DC alternator with smart regulator (ACR)
• Solar charging by WP solar + smart MPPT regulator
• LED/LCD Display
Article Nr. 6.4V 12.8 V 25.6 V

Nominal Voltage (V) 6.4 V 12.8 V 25.6 V
Charge Cut-off Voltage 7.8V 15.6 V 31.2 V
End Charge Voltage 7.3 VDC +- 0.2 V 14.6 VDC +- 0.2 V 29.2 VDC +- 0.2 V
Cycle Life @ 1C 100% DOD >2000 cycles (Clever)
>4000 cycles (Premium)
>2000 cycles (Clever)
>4000 cycles (Premium)
>2000 cycles (Clever)
>4000 cycles (Premium)
Monthly Self Discharge <3% <3% <3%
Temperature Range (Charging) 0°C to 45°C 0°C to 45°C 0°C to 45°C
Temperature Range (Discharging) -20°C to +60°C -20°C to +60°C -20°C to +60°C
Temperature Range (Storage) 0°C to +40°C 0°C to +40°C 0°C to +40°C
Water Dust Resistance IP56 IP56 IP56
Cell Conguration 2S 4S 8S
Cell Size 18650/26650 18650/26650 18650/26650
Cell Chemistry LiFePO4, Lithium Iron Phosphate Battery
Battery Housing ABS Plastic, UL V0-94
6

2.2. Product List
7

Dimensions (mm) Weight
Code V Ah Wh L W H Kg Terminal
HD 12-7,5 C 12,8 7,5 96 152 65 95 1,1 F1
HD 12-10 C 12,8 10 128 152 100 95 1,2 F1
HD 12-12 C 12,8 12 153,6 152 100 95 1,3 F2
HD 12-20 C 12,8 20 256 181 77 168 2,4 M5
HD 12-33 C 12,8 33 422,4 195 130 180 4,8 M6
HD 12-40 C 12,8 40 512 197 165 170 5,3 M6
HD 12-50 C 12,8 50 640 228 140 215 6,8 M6
HD 12-65 C 12,8 65 832 260 168 210 8,1 M6
HD 12-75 C 12,8 75 960 260 168 210 8,8 M6
HD 12-80 C 12,8 80 1024 260 168 210 9,2 M6
HD 12-100 C 12,8 100 1280 330 173 212 11,6 M8
HD 12-100L C 12,8 100 1280 335 175 195 11,6 M8
HD 12-120 C 12,8 120 1536 410 175 225 13,6 M8
HD 12-150 C 12,8 150 1920 483 170 238 17,6 M8
HD 12-200 C 12,8 200 2560 522 240 224 23,5 M8
HD 12-250 C 12,8 250 3200 522 240 224 27,8 M8
HD 12-300 C 12,8 300 3840 522 240 224 32,5 M8
HD 24-50 C 25,6 50 1280 330 173 212 12,5 M8
HD 24-75 C 25,6 75 1920 483 170 238 17,6 M8
HD 24-100 C 25,6 100 2560 522 240 224 22,7 M8
HD 24-150 C 25,6 150 3840 522 240 224 32,5 M8
E.Leisure premium E.Leisure clever

8
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Dimensions (mm) Weight
Code V Ah Wh L W H Kg Terminal
HD 6.4-4.5 P 6,4 4,5 28,8 90 70 101 0,6 F1
HD 6.4-7.5 P 6,4 7,5 48 152 34 101 0,9 F1
HD 6.4-10 P 6,4 10 64 152 51 101 1,2 F1
HD 12-4,5 P 12,8 4,5 57,6 90 70 106 0,8 F1
HD 12-6.0 P 12,8 6 76,8 90 70 106 0,8 F1
HD 12-7,5 P 12,8 7,5 96 152 65 95 1,1 F1
HD 12-10 P 12,8 10 128 152 100 95 1,2 F1
HD 12-12 P 12,8 12 153,6 152 100 95 1,3 F2
HD 12-18 P 12,8 18 230,4 181 77 168 2,2 M5
HD 12-20 P 12,8 20 256 181 77 168 2,4 M5
HD 12-26 P 12,8 26 332,8 166 175 125 3,2 M5
HD 12-33 P 12,8 33 422,4 197 130 180 4,8 M6
HD 12-40 P 12,8 40 512 197 165 170 5,3 M6
HD 12-45 P 12,8 45 576 197 165 170 5,7 M6
HD 12-50 P 12,8 50 640 228 140 215 6,8 M6
HD 12-55 P 12,8 55 704 228 138 228 7,5 M6
HD 12-60 P 12,8 60 768 228 138 228 7,9 M6
HD 12-65 P 12,8 65 832 260 168 210 8,1 M6
HD 12-75 P 12,8 75 960 260 168 210 8,8 M6
HD 12-80 P 12,8 80 1024 260 168 210 9,2 M6
HD 12-100 P 12,8 100 1280 330 173 212 11,6 M8
HD 12-100S P 12,8 100 1280 305 168 210 11,6 M8
HD 12-100L P 12,8 100 1280 335 175 195 11,6 M8
HD 12-120S P 12,8 120 1536 330 173 212 13,6 M8
HD 12-120 P 12,8 120 1536 410 175 225 13,6 M8
HD 12-150 P 12,8 150 1920 483 170 238 17,6 M8
HD 12-200 P 12,8 200 2560 522 240 224 23,5 M8
HD 12-250 P 12,8 250 3200 522 240 224 27,8 M8
HD 12-300 P 12,8 300 3840 522 240 224 32,5 M8
HD 12-16 P 12,8 16 204,8 168 128 75 2,2 T bar
HD 12-18 P 12,8 18 230,4 181 77 167 3,0 T bar
HD 12-22 P 12,8 22 281,6 168 128 126 3,0 T bar
HD 24-6 P 25,6 6 153,6 152 99 96 1,7 F2
HD 24-10 P 25,6 10 256 181 77 167 2,8 M5
HD 24-20 P 25,6 20 512 195 130 180 4,8 M5
HD 24-50 P 25,6 50 1280 330 173 212 12,5 M8
HD 24-75 P 25,6 75 1920 483 170 238 17,6 M8
HD 24-100 P 25,6 100 2560 522 240 224 22,7 M8
HD 24-125 P 25,6 125 3200 522 240 224 29,6 M8
HD 24-150 P 25,6 150 3840 522 240 224 32,5 M8

2.3. Environmental Conditions
Caution! TAB’s LiFePO4 batteries may only be used in conditions specied in this
manual. Exposing the LifePO4 battery to conditions beyond the specied bound
varies may lead to serious damage to the product and/or the user. Use the LiFePO4
battery in a dry, clean, dust free, well ventilated space. Do not expose the LiFePO4
battery to re or water or solvents.
When the batteries are placed in an enclosed environment without air circulation, it
is advised to provide 2 ventilation holes of 100 mm x 100 mm each, to prevent heat
built-up.
2.4. Product Lay-out and Connections
Recommended charge temperature range 0°C to +45°C
Discharging operating temperature range -20°C to +60°C
Short term (<1 month) storage temperature range -10°C to +35°C
Long term (>1 month) storage temperature range 23 ± 5°C
Relative humidity 10-90%
1. (–) Terminal to connect charger/consumer
2. (+) Terminal to connect charger/consumer
3. Handle for lifting
4. Bottom (we advise to install the bottom in position as shown on the image)
1
3
2
4
9

2.5. Operation Modes
Discharge mode
When the LiFePO4 battery voltage is below 2.5 V/Cell.
Deep discharge mode
For example, with 12V battery, when the LiFePO4 voltage is below 6 V. The LiFePO4
battery is not usable anymore, and cannot be repaired, only recycled. Make sure the
batteries are not deeper discharged than 10 VDC.
3. Safety Guidelines and Measures
3.1. General
• Do not short-circuit TAB LiFePO4 battery.
• Treat TAB LiFePO4 battery as described in this manual.
• Do not dismantle, crush, puncture, open or shred TAB LiFePO4 battery.
• Do not expose TAB LiFePO4 battery to heat or re. Avoid exposure to direct sunlight.
• Do not remove TAB LiFePO4 battery from its original packaging until required for
use.
• In the event of TAB LiFePO4 battery leaking, do not allow the liquid to come in
contact with the skin or eyes. If contact has been made, wash the affected area with
copious amounts of water and seek medical advice.
• Use battery charger devices that are capable to charge TAB LiFePO4 battery.
• Observe the plus (+) and minus (–) marks on TAB LiFePO4 battery and equipment
and ensure correct use.
• Do not use any battery which is not designed for use with TAB LiFePO4 battery.
• Do not mix batteries of different manufacture, capacity, size or type within a device.
• Keep TAB LiFePO4 battery clean and dry.
• Secondary batteries need to be charged before use. Always use the correct charger
and refer this manual for proper charging instructions.
• Do not leave TAB LiFePO4 battery on continuous charge when not in use.
• After extended periods of storage, it may be necessary to charge and discharge TAB
LiFePO4 battery several times to obtain maximum performance.
• Retain the original product documentation for future reference.
Warning! Keep the battery away from water, dust and contamination.
Warning! Do not crush or puncture the battery.
Warning! Never touch the battery contacts or allow (conductive) objects to touch
the contacts.
10

3.2. Disposal
Dispose of TAB LiFePO4 battery in accordance with local, state and federal laws
and regulations.
Batteries may be returned to the sellers or TAB d.d.
Do not mix with other (industrial) waste.
4. Installation
4.1. General Information
Warning! Never install or use a damaged LiFePO4 battery.
Caution! Do not reverse connect the power cables (polarity).
When connecting several batteries in parallel, always use batteries of the same
brand, type, age, capacity and state of charge.
4.2. Unpacking
Check TAB LiFePO4 battery for damage after unpacking. If TAB LiFePO4 battery is
damaged, contact your reseller or TAB d.d.. Do not install or use TAB LiFePO4 battery
if it is damaged!
4.3. Preparing the Battery for Use
Warning! Always remain within the limits indicated in chapter 2 during the use of
TAB LiFePO4 battery.
Caution! In case of an empty LiFePO4 battery shutdown, charge immediately.
4.3.1. Location of the LiFePO4 battery
Before it is used, the battery must be positioned in such a way that it will not move
around in its compartment during use.
Use appropriate LN5 (DIN88) or alternative metal fastening brackets for mounting.
Note: battery holddown mounting brackets are not provided with TAB LiFePO4
battery.
4.4. Connection Cables (+ and -)
Use appropriate wire for the connection wires to ensure no overheating or
unnecessary losses occur. Use appropriate fuses matching the wires and load.
11

4.5. Connecting a Charger to the LiFePO4 Battery
Warning! Ensure you have completed all the previous steps described in chapter 4
before connecting the battery to the charger.
Figure 1. Connecting a charger to the battery
4.6. Connecting Batteries in Parallel to a Charger Device
The max. number of batteries in parallel is 20pcs and the max. number of
batteries in series is 4pcs. To divide the current equally amongst batteries,
use the schematic bellow:
Figure 2. Connecting batteries in parallel or in series
- +
+
Battery
charger
Plus (+)
Minus (-)
Load
Plus (+) Minus (-)
In Parallel In Series
Load Plus (+) Minus (-)
Load
12

OK: Equally divided battery current. All batteries contribute equally to the current
into the load.
NOT OK: Current not equally divided.
Batteries closest to load will have the highest contribution to the current into the
load. Whereas batteries further away from load will have lesser current contribution.
Wear and tear will be higher on TAB LiFePO4 battery close to the load.
4.7. DC Load Connected - Discharge Protection
TAB LiFePO4 batteries are as standard equipped with a DC switch-off device which is
integrated inside the battery, which is activated at 80% discharge.
However, we recommend to install a bi-stable latch relay which should be installed
between the battery and the entire DC load (or inverter) as an extra security.
Ask your dealer or supplier for the right device.
4.8. Parallel Battery Use
• 6V batteries can be connected in parallel up to 20 pcs;
• 12V batteries can be connected in parallel up to 20 pcs;
• 24V batteries can be connected in parallel up to 20 pcs;
• 6V batteries can be connected in series up to 4 pcs;
• 12V batteries can be connected in series up to 4 pcs;
• 24V batteries can be connected in series up to 4 pcs;
Caution! Please sort the voltage and internal resistance of the battery
blocks before make the connection. To make sure the battery blocks for a battery
pack have the same/similar parameters.
13

5. Battery Use
5.1. General Information
Warning! Follow the safety guidelines and measures of chapter 3.
5.2. Charging
Warning! Never charge TAB LiFePO4 battery with a charging current larger
than 1C.
Warning! Stop charging in case TAB LiFePO4 battery switches into
warning mode.
Warning! Never charge a battery with a charging current larger than 1C.
Caution! Charge before use.
Caution! Disconnect the charger from TAB LiFePO4 battery if it is not used
for a long time.
Caution! To preserve the lifespan of TAB LiFePO4 battery use a TAB d.d.
charger or acharger approved by TAB d.d..
1. Connect the charger to the battery as described in paragraph 4.6.
2. Charge TAB LiFePO4 battery in case of an empty shutdown or if the state of
charge drops below 20% to preserve the lifespan of TAB LiFePO4 battery.
5.3. Charging Rate
TAB d.d. Lithium Iron Phosphate batteries can be charged in 1 hour. Displayed in
Table are the charge times for TAB LiFePO4 battery at different charge currents.
Always use the indicated charge current and end of charge voltage during charging.
Table 1. Charging rates at different charge currents
Charging rate
Parameter Time Change current
Maximum 1 hour 1C (90A)
Endurance lifecycle 3 hours C3 (30A)
14

5.3.1. Charging Method
TAB d.d. recommends using the following
charging method.
A. Constant voltage, constant current,
14.6 V +/- 0.2V for a 12 V battery, 29.2 V +/- 0.2 V
for a 24 VDC battery. We recommend to use
TAB d.d. battery chargers with settings at
‘‘Lithium-mode’’ for the best result and most safe
and reliable conguration.
B. Multiple or three-stage charging, see graphic
at right, is allowed. TAB d.d. can supply you
with a battery charger with an optimized curve.
We recommend to use TAB d.d. chargers with
settings at ‘‘Lithiummode’’ for the best result and
most safe and reliable conguration.
Bulk phase
In this phase the batteries are charged with a constant current up to the end of
charge voltage (Ubulk), If UBulk is reached the charger will automatically switch to
absorption phase. The maximum charge current (Imax) for TAB d.d. batteries is 1C,
however for endurance cycle life TAB d.d. suggests to limit the current to C3
(1C = nominal battery capacity, C3 = 1/3 of nominal capacity). On some chargers the
maximum charger active time (t0) can be programmed. TAB d.d. suggests setting t0
to: t0 = 2*(BTcap / Chcur) Example: Battery capacity = 90Ah, Charger = 45A, set to a
maximum of 2*(90/45) = 2 hours.
Bulk Phase
Parameter Typical Min Max Remark
Imax - - 1C (90 A)
t0Depends on the
battery SOC
- 2*(BTcap /
Chcur)
Table 2. Bulk Phase
15
V Absorption
V Float
Imax.
V Ret. to Bulk
Return
Amps
max. Bulk
timer
max. Absorption
timer
Return to
Bulk timer
Bulk charging
timer
Return to
Bulk timer
=voltage
=current
V Bulk
min. Bulk timer min. abs timer
Bulk Abstorption Float Bulk

Absorption phase
In this phase the charge voltage must be maintained at UAbsorption to fully charge
TAB d.d. battery and set the SOC counter to 100%, see Table. This phase is nished
when the SoC is indicating 100%.
Absorption Phase
Parameter Typical Min Max
UAbsorption 14,6V DC 14,2V DC 14,6V DC
t120 minutes 10 minutes 1 hour
Table 3. Absorption Phase
Float phase
In this phase the charge voltage is set to UFloat.
Float Phase
Parameter Typical Min Max
UFloat 13,8V DC 13,6V DC 14V DC
Table 4. Float Phase
Discharge Phase
Parameter Typical Min Max
UFloat 13.5V DC 13.4V DC 13.6V DC
Table 5. Maintenance phase

The BMS automatically balances the cells if necessary. Balancing can take place
during charging and idle mode and will not have an effect on the functionality of
TAB d.d. battery.
16

6. Inspection, Cleaning and Maintenance
6.1. General information
Warning! Never attempt to open or dismantle TAB Li-Ion LiFePO4 battery!
The inside of TAB Li-Ion LiFePO4 battery does not contain serviceable parts.
1. Disconnect TAB Li-Ion LiFePO4 battery from all loads and charging devices before
performing cleaning and maintenance activities (see paragraph 4.8).
2. Place the enclosed protective caps over the terminals before cleaning and
maintenance activities to avoid the risk of contacting the terminals.
6.2. Inspection
1. Inspect for loose and/or damaged wiring and contacts, cracks, deformations,
leakage or damage of any other kind. If damage to TAB Li-Ion battery is found, it must
be replaced by a professional. Do not attempt to charge or use a damaged TAB Li-Ion
battery. Do not touch the liquid from aruptured battery.
2. Regularly check the Ion Power Basic battery’s state of charge. Ion Power Basic
battery will slowly selfdischarge when not in use or whilst in storage
(see paragraph 5.3).
3. Consider replacing the Ion Power Basic battery with a new one if you note either of
the following conditions: The Ion Power Basic battery run time drops below 80% of
the original run time. The Ion Power Basic battery charge time increases signicantly.
6.3. Cleaning
If necessary, clean TAB Li-Ion battery with a soft, dry cloth. Never use liquids,
solvents, or abrasives to clean the Ion Power Basic battery.
17

7. Storage
7.1. General information
Follow the storage instructions in this manual to optimize the lifespan of TAB Li-Ion
LiFePO4 battery during storage. If these instructions are not followed and TAB Li-Ion
LiFePO4 battery has no charge remaining when it is checked, consider it to be
damaged. Do not attempt to recharge or use it. Replace it with a new LiFePO4
battery.
See chapter 2.4 for storage temperature conditions.
The self-discharge of TAB Li-Ion LiFePO4 battery is 1-2% per month.

Warning!
1. Charge TAB Li-Ion LiFePO4 battery to > 80% of its capacity before storage.
2. Disconnect TAB Li-Ion LiFePO4 battery from all loads and, if present, the
charging device.
3. Place the terminal covers over TAB Li-Ion LiFePO4 battery’s terminals during
storage.
4. Charge TAB Li-Ion LiFePO4 battery to > 80% of its capacity every 100 days.
After charging set the LiFePO4 battery in storage mode again.
8. Disposal and Recycling
8.1. General Information
Always discharge TAB Li-Ion LiFePO4 battery before disposal. Use electrical tape or
other approved covering over the battery connection points to prevent short circuits.
Battery recycling is encouraged. Dispose of the battery in accordance with local,
state and federal laws and regulations. Batteries may be returned to the
manufacturer.
USA & Canada:
Lithium Iron Phosphate batteries are subject to disposal and recycling regulations
that vary by country and region. Always check and follow your applicable regulations
before disposing of any battery. Contact Rechargeable Battery Recycling Corporation
(www.rbrc.org) for U.S.A. and Canada, or your local battery recycling organization.
EC
Waste must be disposed of in accordance with relevant EC Directives and national,
regional and local environmental control regulations. For disposal within the EC,
the appropriate code according to the European Waste Catalogue (EWC) should be
used.
18

Other
Many countries prohibit the disposal of waste electronic equipment in standard
waste receptacles.
9. Warranty and Liability
9.1
Upon delivery, the customer is obliged to immediately verify whether the products
have been damaged during transport. The customer must notify the dealer of such
transport damage as soon as possible, in any event no later than within three (3)
days of delivery, by means of an accurate, written statement, stating the damage and
where possible a photograph. Failure to inspect the products and inform the dealer
within the stated time or the use of the products at any time shall be conclusive evi-
dence that TAB d.d. has satisfactorily tendered delivery.
9.2
In the event that the customer demonstrates that any of the delivered products do
not conform to the agreement, TAB d.d. (at its option, upon having received those
products returned by the customer) has the option to either repair or replace such
products by new products, or to refund the invoice value, exclusive of any dispatch
costs.
9.3
TAB Li-Ion grants 3 years for Premium and 2 years for Clever line with 80%DOD and
0,2C warranty for damages caused by manufacturing defects starting at the time of
delivery. Damages caused by manufacturing defects do not include damage resulting
from (a) general wear and tear, (b) short circuit, (c) overcharging, (d) deep discharging,
(e) overheating of the products (f) installation of the product by persons unskilled to
work with electro-technical devices or components, (g) any other wrongful use con-
trary to the TAB d.d. user manual or the safety instruction, (h) any use contrary to the
product specications of that product; (i) any acts of force majeure.
9.4
TAB d.d. provides covering maintenance and spare parts for the averagege 3 years for
Premium and 2 years for Clever line warranty period.
19

9.5
The warranty does not exclude consumer’s rights arising from the seller’s liability for
defects in the goods.
9.6.
Except as specied in the clause 9.3 TAB d.d. makes no warranty, whether express
or implied, including without limitation any implied warranty of merchantability and
tness for a particular purpose or any warranty arising from any course of dealing,
course of performance or usage of trade and specically disclaims any represen-
tation or warranty that the product will meet customer’s requirements, perform any
specic function or achieve a desired result other than expressly stated by TAB Li-Ion
in writing.
9.7
Any liability to the customer in any case ceases to apply in the event that the
customer fails to notify TAB d.d. of the existence of the defect within ten (10) days of
having discovered the defect, in writing, in order to enable TAB d.d. to investigate the
damage.
9.8
Any liability of TAB d.d. for damage suffered by the customer is in any case
limited to the invoice amount of the relevant products, unless such damage has been
caused by gross negligence or willful misconduct of TAB d.d.. TAB d.d. can never be
held liable for (a) damage caused by any of the circumstances mentioned in clause
9.3, leading to damage to the TAB d.d. products or to any other device located near
those products, or (b) consequential damage or (c) loss of prots or goodwill.
20