E-Cumulus Premium
Single Phase Energy Export ESS 2.8 kW – 120 kW

Single Phase Energy Export ESS
2.8 kW – 120 kW
A Wi-Fi enabled Lithium ESS with MNRE-approved, IEC and EN compliant PCU, which boasts of intelligent features like peak demand management for energy cost savings, export to grid while charging battery, smart remote monitoring, and < 2.5 % input current distortion, which cannot be found in competing products in the market.
Key Features
- Built with MNRE approved, MPPT-based
- Single Phase Hybrid PCU
- Active front-end charger
- Low input current distortion
- Remote device monitoring available
- Live device data available on RS-232
- Over 2 MW of systems successfully supplied
- > 90% system efficiency
- Compatible with all types of lithium batteries.
- Can be converted to a self-consumption solar ESS
- Peak demand management available on request
Market Comparison
Feature E-Cumulus Premium Version Standard Market vendor 1 2 3 Bidirectional inverter ✓ ✓ ✓ ✓ Selection of any of the 2 energy sources – Grid or Battery ✓ ✓ ✓ ✓ IEC compliant PCU* ✓ ✓ ✓ ✓ Can be converted to a self-consumption ESS via software ✓ ✓ ✓ ✓ Active front-end charging ✓ ✓ ✓ ✓ Compatible with all batteries ✓ ✓ ✓ ✓ MNRE approved PCU ✓ ✓ ✓ X EN compliant PCU** ✓ ✓ ✓ 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 Export to grid while battery charging is on ✓ ✓ ✓ X In-house technology ✓ ✓ ✓ X Ability to rapidly deliver new product features according to customer needs without waiting for development by foreign technology exporter ✓ ✓ ✓ X Compact footprint X ✓ ✓ X Peak demand management 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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