Holdvolt ES
All-in-One Energy Storage, Inverter and LiFePO4
Inverter, solar charger and lithium battery in one cabinet.
- 3kW
- Pure sine inverter
- 5.1kWh
- LiFePO4 battery
- 2240W
- PV input, max.
Features
3 kW / 5.1 kWh
System
- Inverter + battery
- LiFePO4
- MPPT solar input
- 50 / 60 Hz
Specifications
Factory catalog values, model by model.
3 kW / 5.1 kWh
| Model | ES-3K |
|---|---|
| Other | |
| Rated power | 3000W |
| Protection | Battery undervoltage protection/Battery overvoltage protection/Battery overvoltage recovery voltage/Overload power protection/Short circuit protection/Overtemperature protection |
| Cooling method | Cooling fan in intelligent control |
| Working mode | Inverter priority/mains priority/energy saving mode |
| LiFePO4: Optional add-on features | Bluetooth/Heating |
| Battery | |
| Maximum charging current (mains + photovoltaic) | 55A |
| Maximum photovoltaic / mains charging current | 40A/15A |
| LiFePO4: Nominal voltage | 51.2V |
| LiFePO4: Nominal capacity | 100Ah |
| LiFePO4: Rated capacity (C5) | 100Ah@25°C |
| LiFePO4: Energy | 5120Wh |
| LiFePO4: Months self discharge | <3% |
| LiFePO4: Charge efficiency | 99.5%@0.2C |
| LiFePO4: Discharge efficiency | 96-99%@1C |
| LiFePO4: Terminal diameter | M8 |
| LiFePO4: Internal resistance (fully charged, 25°C) | <30mΩ |
| LiFePO4: Cycle life | >8000 cycles @ 0.2C 80% O.D.D |
| LiFePO4: Capacity affected by temperature | 40°C 101%; -10°C 75% |
| LiFePO4: Water dust resistance | IP20 |
| LiFePO4: Cells | 16 Strings |
| LiFePO4: Container | Metal |
| LiFePO4: Nominal operating temperature | 25°C±3°C (77°F±5°F) |
| LiFePO4: Operating temperature range | Discharge -20°C–60°C (-4°F–140°F); Charge 0°C–45°C (32°F–113°F); Storage 0°C–40°C (32°F–104°F) |
| LiFePO4: Charge current | 40A |
| LiFePO4: Maximum charge current | 100A |
| LiFePO4: Charge cut off voltage/charge voltage | 58.4V |
| LiFePO4: Continuous discharge current | 100A |
| LiFePO4: Maximum pulse current | 100A (<500us) |
| LiFePO4: Discharge cut off voltage | 43.2V |
| Input | |
| AC input voltage | AC100V-120V model: 105VAC/110VAC/115VAC/120VAC (can be set); AC220V-240V model: 220VAC/230VAC/240VAC (can be set) |
| AC input frequency | 45Hz–55Hz(50Hz), 55Hz–65Hz(60Hz) |
| Max PV input voltage (Voc) | 180VDC |
| PV array maximum power | 2240W |
| MPPT tracking voltage range | 60V-140VDC |
| Output | |
| Output wave | Pure Sine Wave |
| Output voltage/frequency (INV mode) | 110VAC/120VAC/220VAC/230VAC/240VAC, 50Hz±1%, 60Hz±1%(can be set) |
| Efficiency | |
| Conversion efficiency (INV mode) | >85% |
| Display & communication | |
| Display | LCD |
| Communication | RS485 communication / APP (WIFI/GPRS data collection) optional |
| LiFePO4: Communicate protocol (optional) | RS485 |
| Environment | |
| Operating temperature | -10°C–40°C |
| Relative humidity | 0%-95% (No condensation) |
| Physical | |
| Product size (L*W*H mm) | 525*245*938 |
| Package size (L*W*H mm) | 585*305*1100 |
| N.W. (kg) (excluding battery) | 132kg±2.5kg |
| G.W. (kg) (excluding battery) | 140kg±2.5kg |
Factory values. Specifications may change; confirm against the quotation.Swipe the table sideways.
Questions buyers ask
What do you need for a quotation?
Load in kVA or kW, input voltage and phases, output phases, the backup time you need and where the unit will be installed. If you are unsure, send what you know and we will ask for the rest.
Can the unit carry our brand?
Yes. Logo, front panel, packaging and manual can be supplied under your brand. Minimum quantities and lead times are on the OEM / ODM page.
More in Energy Storage
Five numbers get you a quote
Send what you know. We reply within one working day.
- LoadkVA or kW, and what it is
- Input voltage and phasese.g. 400 V three-phase, 50 Hz
- Output phasesSingle- or three-phase
- Backup timeMinutes at full or typical load
- SiteIndoor, temperature, altitude, generator