LiFePO4 2560WH 24V Lithium Ion Battery Pack Deep Cycles For UPS
MUST Factory 25.6V 100AH 2560WH lithium Ion Storage Battery
| Nominal Voltage | 25.6V |
| Nominal Capacity | 120AH |
| Capacity @ 20A | 300 min |
| Energy | 3072Wh |
| Resistance | ≤50 mΩ @ 50% SOC |
| Recommended Charge Current | 20A |
| Maximum Charge Current | 100A |
| Recommended Charge Voltage | 29.2V |
| BMS Charge Cut-Off Voltage | <31.2 V (3.9V/Cell) |
| Reconnect Voltage |
>28.8 V (3.6V/Cell)
|
| Balancing Voltage | <28.8V (3.6V/Cell) |
| Maximum Batteries in Series | 8(*Consult MUST) |
| Dimension (L x W x H) |
345*190*245mm
13.6x 7.5x 9.6”
|
| Approx. Weight | 27kg |
| Terminal Type | DIN POST |
| Terminal Torque | 80 ~ 100 in-lbs (9 ~ 11 N-m) |
| Case Material | ABS+PC |
| Enclosure Protection | IP65 |
| Maximum Continuous Discharge Current | 100 A |
| Peak Discharge Current | 200A (3s) |
| BMS Discharge Cut-Off Current | 300A ±150A (30ms) |
| Recommended Low Voltage Disconnect | 22V (2.75V/Cell) |
| BMS Discharge Cut-Off Voltage | >16.0V (2s) (2.0V/Cell) |
| Reconnect Voltage
|
>20.0 V (2.5V/Cell) |
| Short Circuit Protection |
250 ~ 500 μs
|
| Discharge Temperature | -4 ~ 131 ºF (-20 ~ 55 ºC) |
| Charge Temperature | -4 ~ 113 ºF (0 ~ 45 ºC) |
| Storage Temperature | 23 ~ 95 ºF (-5 ~ 35 ºC) |
| BMS High Temperature Cut-Off | 149 ºF (65 ºC) |
| Reconnect Temperature | 131 ºF (55 ºC) |
| Heating Temperature Range | -4 to 41 ºF (-20 to 5 ºC) |
| Heating Time | Approximately 1 hour @ 7.5 A |
| BMS Heating Foil Cut-Off | 158 ºF (70 ºC) |
TECHNOLOGY:
Find out how to prolong battery life by using correct charge methods.
Charging and discharging batteries is a chemical reaction, but Li-ion is claimed to be the exception. Battery scientists talk about energies flowing in and out of the battery as part of ion movement between anode and cathode. This claim carries merits but if the scientists were totally right, then the battery would live forever. They blame capacity fade on ions getting trapped, but as with all battery systems, internal corrosion and other degenerative effects also known as parasitic reactions on the electrolyte and electrodes till play a role. (See BU-808b: What causes Li-ion to die?)
The Li ion charger is a voltage-limiting device that has similarities to the lead acid system. The differences with Li-ion lie in a higher voltage per cell, tighter voltage tolerances and the absence of trickle or float charge at full charge. While lead acid offers some flexibility in terms of voltage cut off, manufacturers of Li-ion cells are very strict on the correct setting because Li-ion cannot accept overcharge. The so-called miracle charger that promises to prolong battery life and gain extra capacity with pulses and other gimmicks does not exist. Li-ion is a “clean” system and only takes what it can absorb.
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