DISCOVER 14-24-2800, 12-36-6700, 12-48-6650, 44-24-2800, 42-48-6650 Operating Manual
Operating Manual
14-24-2800
1. Safety 2
1.1 Warnings, Cautions and Notes 2
1.2 General Warning 2
1.3 Fire Risk 2
1.4 Electric Shock Risk 2
1.5 Chemical Risk 3
1.6 Do’s 3
1.7 Do Not’s 3
1.8 DC Motor Connection 3
1.9 Transportation Warning 3
2. Battery Operating Limits 3
2.1 Maximum Battery Operating Limits 3
2.2 Recommended Battery Operating Limits 4
3. Design Features & Components 5
3.1 Battery Management System (BMS) 5
3.2 Fuse 5
3.3 Terminals 5
4. Handling 5
5. Installation 5
5.1 Tools 6
12-36-6700
12-48-6650
5.2 Locating and Securing the Battery 6
5.3 Installation 6
5.4 Conguration with Power Conversion Devices 7
6. Operation 7
6.1 On-Off 7
6.2 Charging 7
6.3 Charge Curve 8
6.4 Discharging 8
6.5 Storage 9
7. Protection and Faults 9
8. Service & Maintenance 10
8.1 Inspection 10
8.2 Firmware Updates 10
9. Troubleshooting 10
9.1 Battery Will Not Turn On 10
10. Recycling and Disposal 10
11. 14-24-2800 Technical Specications 11
12. 12-36-6700 Technical Specications 12
13. 12-48-6650 Technical Specications 13
805-0001 REV H
4-13511 Crestwood Place,
Richmond, BC, V6V 2E9, Canada
discoverbattery.com
1. SAFETY
1.1 Warnings, Cautions, Notes and Symbols
▲ WARNING
Important information regarding possible personal injury.
▲ CAUTION
Important information regarding possible equipment damage.
Additional information concerning important
procedures and features of the battery.
1.2 General Warning
▲ CAUTION
It is important to operate the device with care
to avoid undesirable consequences.
Do not throw in the garbage. Do not dispose in re.
Use personal protective equipment when working with batteries.
▲ NOTE
Additional information concerning important procedures and features of the battery. Read all the instructions before
installation, operation and maintenance.
This product must be recycled and is made of recycled products.
▲ CAUTION
Do not disassemble or modify the battery. If the battery housing
is damaged, do not touch exposed contents.
1.3 Fire Risk
▲ WARNING
Risk of re - No user serviceable parts.
• Battery has a Battery Management System (BMS) with integrated solid state relay to reduce re risk.
• Primary suppression for lithium battery res is water, the secondary suppression is CO2 powder and halon.
1.4 Electric Shock Risk
▲ WARNING
For wet and electrically uninsulated working conditions, electric
shock risk is high, and can cause injury and death.
Model Nominal System Voltage Maximum System Voltage
14-24-2800 24 V 29.2 V
12-36-6700 36 V 43.8 V
12-48-6650 48 V 58.4 V
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1.5 Chemical Risk
▲ WARNING
Lithium batteries are a chemical risk if misoperated,
1.6 Do’s
• Do protect terminals from short circuit before, during, and after installation
• Do wear electrically insulated gloves
• Do use electrically insulated tools
• Do wear eye protection
• Do wear safety toe boots / shoes
• Do handle battery carefully
• Do secure battery safely
• Do always assume battery terminals are energized
1.7 Do Not’s
• Do not immerse battery in water
• Do not lift or carry the battery during usage or operation
• Do not operate or store battery outside of operating limits
• Do not short circuit battery
• Do not puncture battery
• Do not expose battery to ames, or incinerate
• Do not open battery case or dissemble battery
• Do not wear rings, watches, bracelets or necklaces when handling or working near battery
• Do not drop or crush battery
• Do not lift battery by the terminal cables
• Do not vibrate battery
• Do not expose battery to water or other uids
• Do not expose battery to direct sunlight
• Do not dispose of battery
• Do not connect with other types of batteries
• Do not expose battery to high temperatures
• Do not install with other battery types or brands
mishandled or abused.
1.8 DC Motor Connection
Direct connection to DC motors, without proper safety protection including motor controllers, and external motor voltage clamping
systems (such as high power anti-parallel diodes or braking resistor systems), may result in damage to the internal battery
pack protection system which may result in unsafe situations. Please consult Discover Battery technical support before directly
connecting any motor loads.
1.9 Transportation
If the battery is not installed in equipment, it must be transported in the original package or equivalent.
Batteries are tested according to UN Handbook of Tests and Criteria, part III, sub section 38.3 (ST/SG/AC. 10/11/Rev.5). For
transport the batteries belong to category UN3480, Class 9, Packaging Group II.
2. Battery Operating Limits
2.1 Maximum Battery Operating Limits
The battery should not be operated outside the Maximum Operating Limits, the BMS will open its internal relay and disconnect
the battery if any of the following limits are exceeded.
3
Maximum Operating Limits 14-24-2800 12-36-6700 12-48-6650
Time (s)
Interrupt Time (s)
Continuous Charge Current* 110 Adc 150 Adc 130 Adc
Continuous Discharge Current* 110 Adc 150 Adc 130 Adc
Charge Voltage 27.2 V 40.8 V 54.4 V
Operating Voltage (Min / Max) 22.4 V / 29.2 V 33.6 V / 43.8 V 44.8 V / 58.4 V
Charge Temperature (Min / Max) 0°C / 45°C (32°F / 113°F)
Discharge Temperature (Min / Max) -20°C / 50°C (-4°F / 122°F)
Storage Temperature (Min / Max) -20°C / 45°C (-4°F / 113°F)
* Eects of AC Ripple must be taken into consideration when sizing and conguring your system.
Nominal Interruption Time - Peak Current Characteristic of Discover BMS
600
500
400
300
200
100
0
150
200
250
300
Current (Adc)
350
400
▲ NOTE!
Intentional bypassing of BMS to operate the battery
outside maximum and minimum limits voids warranty.
2.2 Recommended Battery Operating Limits
Although the battery is capable of performing up to the Maximum Battery Operating Limits noted, the following settings are
recommended to maximize battery health and account for unforeseen external conditions.
Recommended Operating Settings 14-24-2800 12-36-6700 12-48-6650
Max Continuous Charge Current < 78 A < 106 A < 92 A
Max Continuous Discharge Current < 78 A < 106 A < 92 A
Charge Voltage (Bulk/Absorb) 27.2 V 40.8 V 54.4 V
Charge Voltage (Float) 26.8 V 40.2 V 53.6 V
Low Voltage Disconnect 24 V 36 V 48 V
Operating Temperature 20°C (68°F)
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