VOLTX 24V 100Ah LiFePO4 Lithium Battery User Manual
- May 15, 2024
- VOLTX
Table of Contents
VOLTX 24V 100Ah LiFePO4 Lithium Battery
WHAT’S IN THE BOX
- 1 X User manual
- 1 X 24V 100Ah LiFePO4 Lithium Battery
Scan the QR code or visit voltx.com/manuals
- Download manuals
- Access to tools and tips
- Troubleshooting your battery
- Detailed battery specifications
SAFETY
CAUTION: RISK OF FIRE, EXPLOSION OR BURNS.
- DO NOT Short circuit
- DO NOT Reverse connections from charger to battery
- DO NOT Disassemble
- DO NOT Throw into fire or incinerate
- DO NOT Heat above 60°C
- Discontinue charging your battery if you see smoke or swelling.
- Never leave your battery unattended at any time when being charged or discharged.
- Do not expose the battery to moisture or water
TIPS
- It is highly advisable to invest in a dedicated Low Voltage Disconnect (LVD) to safeguard your battery from being discharged to a low voltage, which can negatively affect its lifespan. In the event that an LVD is not available, the battery must always be adequately charged to prevent over-discharge.
- The voltage of a LiFePO4 battery measured during the charging process is not a reliable indicator of its actual voltage. To obtain an accurate measurement, it is recommended to let the battery rest for 15 minutes before testing its voltage.
CHARGING RECOMMENDATIONS
NOTE: Use a 14.6V lithium AC to DC or DC to DC battery charger to
maximize the battery`s usable capacity.
DO NOT USE A LEAD ACID VEHICLE BATTERY CHARGER.
You won’t be able to fully utilize the battery’s usable capacity if you use an inappropriate charger or charge it at a lower voltage.
When charging, don’t set the charger to a voltage greater than the battery’s nominal voltage, as it may permanently damage the battery.
- Ensure the battery cables are tight, secure and have a good connection.
- Follow the instructions on the battery charger. You can also charge the battery using a solar panel and a compatible regulator with a lithium profile (select LiFePO4 mode on solar regulator).
We recommend setting the solar regulator to the following parameters:
- Overcharge Protection Voltage: 28.8V
- Overcharge Recovery Voltage: 28V
- Over-discharge Protection Voltage: 21.6V
- Over-discharge Recovery Voltage: 22.4v
The battery should not be charged directly through a vehicle’s alternator.
BATTERY REACTIVATION
HOW TO REACTIVATE A BATTERY THAT NO LONGER CHARGES
The over-discharge protection voltage for this battery is set at 20V, and if the voltage drops below this level, the Battery Management System (BMS) will trigger a safety cutoff to protect the battery.
In such an event, you must follow the reset procedure for the battery as outlined below:
METHOD 1 (EASY)
- Disconnect the load from the battery and set it aside for at least 30 minutes.
- The battery should recover to a normal voltage level automatically.
- The battery can then be fully charged for normal use.
It is important to note that in some cases, METHOD 1 may not be sufficient, and you may need to proceed with METHOD 2 or METHOD 3 to reset the battery.
METHOD 2 (REQUIRES A CHARGER WITH 0V FUNCTION )
- Use a charger equipped with a 0V charging function.
- Charge the battery fully using this charger on its 0V setting.
- Once the battery is fully charged, the BMS will reset automatically.
- The battery can now be used as normal.
METHOD 3 (REQUIRES A SECOND BATTERY)
- Connect the battery in parallel with another fully charged 24V lithium battery.
- Allow the battery to charge in parallel for at least one minute.
- Disconnect the second battery and charge your battery fully using a regular lithium battery charger.
- Once fully charged, the BMS will reset automatically, and the battery can be used normally.
A lead-acid battery with a voltage more than or equal to 24V and less than or equal to 29.2V will also work.
LONG-TERM STORAGE
To prolong the battery’s lifespan, it is advisable to store it at an 80% charge level.
- LiFePO4 batteries have a low self-discharge rate of 2% per month.
- To prevent excessive discharge during storage, store LiFePO4 batteries at an 80% state of charge (SOC) if storing for longer than six months.
- Failure to charge the battery before storage can cause over-discharge, resulting in the battery’s discharge level falling below the protection level of the BMS.
- It is strongly recommended to store the battery at room temperature, particularly for extended storage periods.
Cycling through the battery power every 6 months is an excellent way to add to the longevity of your battery. To cycle through the battery’s power:
- Connect the battery to an appliance and allow it to discharge without reaching the over-discharge voltage level.\
- Charge the battery until it reaches 100%.
- Reconnect the battery to an appliance and discharge it to reduce its charge level back to 80% before storing.
Store the battery in a fireproof container Keep out of reach of children
SPECIFICATIONS
Nominal Capacity | 100Ah |
---|---|
Usable Capacity | 100Ah |
Nominal Voltage | 25.6V |
Energy | 2560wh |
Charge Voltage | 29.2V |
Discharge Cut-off Voltage | 10V |
Charge Method | CC/CV |
Charger | 29.2V50A |
Standard Discharge Current | 100A |
Max. Continues Discharge Current | 150A |
Max. Discharge Current 5 Sec | 450A |
Standard Charge Current | 50A |
Max. Charge Current | 100A |
Dimensions | L: 522 x W: 238 x H:218mm |
Working Temperature Range | Charge 0°C to 45°C, Discharge: -20°C to 60°C |
Storage Temperature | -10°C to 50°C |
STATE OF CHARGE
BATTERY % | VOLTAGE |
---|---|
100% | 27.0V |
99% | 26.8V |
90% | 26.6V |
70% | 26.4V |
40% | 26.2V |
30% | 26.0V |
0% | 25.8V |
10% | 25.6V |
1% | 22.0V |
0% | 20.0V |
CUSTOMERS SUPPORT
www.voltx.com
Designed in Australia
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>