SunCumulus Basic
Single Phase Self Consumption Solar ESS 2.8 kW – 120 kW

Single Phase Self Consumption Solar ESS
2.8 kW – 120 kW
SunCumulus Basic is an MNRE-approved, IEC and EN compliant Lithium ESS that extracts the maximum solar power available using its MPPT algorithm, delivering 99% efficiency. It is the only future-proof ESS in the market that can be upgraded to an Energy Export ESS at any time to export your solar power to the grid and earn you money or electricity credits.
Key Features
- Built with MNRE approved, MPPT-based
- Single Phase Off-Grid PCU
- Active front-end charger
- Low input current distortion
- Remote device monitoring available
- Live device data available on RS-232Over 2 MW of systems successfully supplied
- > 90% system efficiency
- Compatible with all types of lithium batteries.
- Can be converted to Energy Export Solar ESS at any time
- Peak demand management available on request
Market Comparison
Feature SunCumulus Basic Version Standard Market vendor 1* 2 3 Bidirectional inverter ✓ ✓ ✓ ✓ Selection of any of the 3 energy sources – Grid, Solar or Battery ✓ ✓ ✓ ✓ MNRE-approved PCU ✓ ✓ ✓ X IEC compliant PCU* ✓ ✓ ✓ X EN compliant PCU** ✓ ✓ ✓ X MPPT solar charge controller ✓ ✓ ✓ X Compatible with all batteries ✓ ✓ ✓ X Local device data monitoring via RS232 ✓ ✓ ✓ X Remote device data monitoring via GSM ✓ ✓ ✓ X < 2.5% input current distortion ✓ ✓ ✓ X > 90% system efficiency in real-life conditions ✓ ✓ ✓ X In-house technology ✓ ✓ ✓ X Ability to rapidly deliver new product features according to customer needs without waiting for development by foreign technology exporters ✓ ✓ ✓ X Compact footprint X ✓ ✓ X Active front-end charging X ✓ ✓ X Can be converted to Energy Export ESS via software X X ✓ X Remote device data monitoring via WiFi X X ✓ X
*IEC 61683, IEC 62116/ IS 16169 and IEC 60068 (1, 12, 14, 30)
** EN 50530
Technical Specifications
Configurations
ESS Capacity (kW)* Battery Voltages (V) PCU Rating (kVA) 2 3 5 7.5 10 12.5 15 20 25 30 40 50 48 96 2.88 ✓ ✓ 4.8 ✓ ✓ ✓ 9.6 ✓ ✓ ✓ ✓ 14.4 ✓ ✓ ✓ ✓ 96 120 144 19.2 ✓ ✓ ✓ ✓ ✓ 24 ✓ ✓ ✓ ✓ ✓ 120 144 240 28.8 ✓ ✓ ✓ ✓ ✓ ✓ ✓ 36 ✓ ✓ ✓ ✓ ✓ ✓ ✓ 48 ✓ ✓ ✓ ✓ ✓ 240 384 460 72 ✓ ✓ ✓ ✓ ✓ ✓ 96 ✓ ✓ ✓ ✓ ✓ ✓ ✓ 120 ✓ ✓ ✓ ✓ ✓ ✓ ✓
*ESS capacity depends on battery voltage and charge (AH). For instance,
- A 4.8 kW ESS can be produced with a 48 V, 100 AH battery
- A 9.6 kW ESS can be produced with a 48 V, 200 AH battery or a 96 V, 100 AH battery
- A 14.4 kW ESS can be produced with a 48 V, 300 AH battery or a 96 V, 150 AH battery
Applications
- Rural Electrification
- Remote Sites
- Farmhouses, Schools, and Offices
- Rural Health Schemes
- Telecom
- Oil & Gas pipelines
- Defence
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