Battery cell |
Rated capacity | 50kw | 75kw | 100kw |
Battery type | LiFePO4 battery | | |
Model of cell | 3.2V 70A Square aluminum shell |
Battery group array | 16S16P | 16S22P | 16S30P |
Voltage range of battery group | 44V cycles at 80%DOD |
BMS Protection | Short Circuit Protection,Over Charge Protection,Over Discharge
Protection,Reverse Polarity Protection,Cell Over Voltage,Cell Under
Voltage and Temperature,Low Voltage Cut Off (automatic Reconnect) |
Charge |
Battery charge temperature | 0~50℃ |
Maximum charge voltage | 59±0.5V |
Rated charge voltage | 584±0.4V |
Nominal charge current | 200A | 300A | 380A |
Discharge | | | |
Battery working temperature | -20℃~60℃ |
Allowable maximum discharge current | 250A 1min | 250A 1min | 250A 1min |
Rated allowable maximum discharge current | 200A |
Discharge termination voltage | 40 |
Self Discharge Rate | Less than 3%per month (nominal temperature) |
Inverter |
Type | Stand-alone Inverter (Off Grid Inverter)Single phase output
transformer |
Rated power | AC output power continuously 5.0KW/7.5KW/10KW at electrical load
type :Unity power factory (pf=1) |
Nominal Input Voltage | 48VDC |
Output voltage | 110V-220VAC |
Output voltage regulation | ±5% at steady state load |
Total harmonic distortion(THDv) | Less than 4% when the electrical load is 0.8 lagging power factor |
Maximum surge power | 200% of nominal power |
Maximum running current | 75 |
Overload ability(10min) | 110% |
AC input frequency | 50Hz/60Hz(automatic tracking) |
Output efficiency | ≥90% |
Wave form | Pure sine wave form |
Protection | Over load,Short Circuit,Over Input Voltage,DC Reverse
Polarity,Battery Low Voltage Cut Off(automatic reconnect) |
Communication | RS232/RS485 |
Solar Charge Controller |
DC start voltage(VDC) | 70V | 70V | 70V |
Minimum DC start voltage(VDC) | 70V | 70V | 70V |
Maximum DC voltage(VDC) | 145V | 145V | 145V |
Max PV input power at STC (stardard Test Condition) | 5KW | 7.5KW | 10KW |
Output voltage charger to battery | 48VDC | 48VDC | 48VDC |
MPPT charger at STC | 2 MPPT 7.68KW | 3MPPT14.4KW | 4MPPT19.2KW |
Charge and Discharge controller as SOC (Stage of Charge) |
Overcharge Protection,Reverse Polarity Protection,Anti Reverse
Diode Protection |
Loading |
Loading power | Backup time 10 hours with loading 5kw | Backup time 10hours with loading 7.5kw | Backup time 10 hours with loading 10kw |