Description
SAKO Alpha ESS All In One 300W/1KWH Lithium Energy Storage System
SAKO Alpha ESS 300W Energy Storage System
| SPECIFICATION | Alpha ESS-300W | Alpha ESS-500W | Alpha ESS-1000W | |||
|---|---|---|---|---|---|---|
| Inverter / Charger | ||||||
| Rated AC Output Power | 300W | 500W | 1000W | |||
| Output Voltage Waveform | Pure Sine Wave | Pure Sine Wave | Pure Sine Wave | |||
| Output Voltage | 185～230VAC 50Hz | 185～230VAC 50Hz | 185～230VAC 50Hz | |||
| Low DC Warning Voltage | 3.0Vdc | 3.0Vdc | 6.0Vdc | |||
| Low DC Cut-off Voltage | 2.8Vdc | 2.8Vdc | 5.6Vdc | |||
| Low DC Warning Return Voltage | 3.1Vdc | 3.1Vdc | 6.2Vdc | |||
| Charging Power(Utility and solar together) | 400W Max. | 600W Max. | 1100W Max. | |||
| Bulk Charging Voltage | 3.6Vdc | 3.6Vdc | 7.2Vdc | |||
| Float Charging Voltage | 3.5Vdc | 3.5Vdc | 7.0Vdc | |||
| AC Input | ||||||
| Nominal Input Voltage | 230Vac | 230Vac | 230Vac | |||
| Low Loss Voltage | 90Vac ± 7 | 90Vac ± 7 | 90Vac ± 7 | |||
| Low Loss Returm Voltage | 100Vac ± 7 | 100Vac ± 7 | 100Vac ± 7 | |||
| High Loss Voltage | 280Vac ± 7 | 280Vac ± 7 | 280Vac ± 7 | |||
| High Loss Returm Voltage | 270Vac ± 7 | 270Vac ± 7 | 270Vac ± 7 | |||
| Max. AC Input Voltage | 300Vac | 300Vac | 300Vac | |||
| Nominal Input Frequency | 45～65Hz | 45～65Hz | 45～65Hz | |||
| AC Charging Power | 300W Max. | 500W Max. | 1000W Max. | |||
| Solar Input | ||||||
| Nominal PV Voltage | 30Vdc | 30Vdc | 38Vdc | |||
| PV Array MPPT Voltage Range | 10Vdc~50Vdc | 10Vdc~50Vdc | 10Vdc~50Vdc | |||
| Max. PV Array Open Circuit Voltage | 60Vdc | 60Vdc | 60Vdc | |||
| Solar Charging Power | 300W Max. | 300W Max. | 600W Max. | |||
| Lithium Iron Battery | ||||||
| Capacity | 1004.8Wh | 1004.8Wh | 2009.6Wh | |||
| Nominal Battery Voltage | 3.2Vdc | 3.2Vdc | 6.4Vdc | |||
| Typical Capacity | 314Ah | 314Ah | 314Ah | |||
| Max.Charge Current | 130A | 220A | 220A | |||
| Max.Discharge Current | 130A | 220A | 220A | |||
| Operation Voltage Range | 2.8Vdc～3.6Vdc | 2.8Vdc～3.6Vdc | 5.6Vdc～7.2Vdc | |||
| Operation Temperature | -10℃～+50℃ | |||||
| DC Output | ||||||
| DC Output Power | DC12V 60W Max. | |||||
| DC Output Socket | 1 pcs 5V2A USB charger, 2 pcs 12V2A DC Power JACK 5.5*2.1mm | |||||
| Display Function | ||||||
| LED Indicator | 4 pcs SOC indicators , 1 pcs working status indicators | |||||
| Protection | ||||||
| Protection | Overcharge protection、Overdischarge protection、Overcurrent protection、Shortcircuit protection、 Overtemperature protection | |||||
| Ambient | ||||||
| Noise(dB) | < 40dB (1 meter) | |||||
| working Temperature | -10℃～+50℃ | |||||
| Humidity | 0~95% ( no condensation) | |||||
| Sea Level(m) | ≤2000 | |||||
| Dimension | ||||||
| L×W×H (products size) | 291*215*143mm | 316*243*143mm | 422*295*143mm | |||
| L×W×H (package size) | 395*257*202mm | 421*286*202mm | 526*350*212mm | |||