Commercial Energy Storage

ESP Series | 10kW – 20kW / 40.8kWh – 51.2kWh

ModelESP-5010, ESP-4020

At a glance

Nominal Battery System Voltage: 48 Vdc (51.2Vdc nominal per pack) / 48 Vdc (51.2Vdc nominal per pack)

Series ranges may cover several models. Confirm your required configuration with our team.

Call about this product WhatsApp us See full specifications

View comparison shortlist

0 / 3 selected in this product family. Your shortlist stays in this tab.

Ask our team for current pricing and availability for this model.

Applications

Industrial / Commercial Energy Storage

Key features

All-Scenario Hybrid Power: Built-in 10kW/20kW inverter supporting both on-grid and off-grid systems with ultra-fast transfer time (10ms typical UPS / 20ms APL).
High-Capacity, Long-Life Battery: Scalable up to 51.2kWh with 51.2V 200Ah LiFePO4 rack modules, delivering 8,000+ life cycles (@ 80% DOD, 25°C).
All-in-One Compact Design: Fully integrated PACK + PCS architecture eliminates complex on-site wiring, drastically reducing installation time and engineering costs.
Intelligent Thermal Management: Smart cooling system maintains optimal internal operating temperatures, maximizing cell lifespan and system reliability.
Flexible Expansion & Smart O&M: Supports multi-unit AC paralleling up to 10 units, online remote monitoring, and multiple interfaces (WiFi / USB / CAN / RS485).
Robust Protection & Certification: IP54 protection with optional C3/C5 anti-corrosion coating; certified to IEC62619, CE-LVD (IEC62109-1/-2), CE-EMC, and RoHS.

Specifications 31 details

Warranty periods listed here are catalogue references. Confirm the applicable warranty terms for your exact model and purchase with Toyama.

Models	ESP-5010, ESP-4020
Rated AC Output Power	10000 W / 20000 W
Nominal Battery System Voltage	48 Vdc (51.2Vdc nominal per pack) / 48 Vdc (51.2Vdc nominal per pack)
Battery Specification	51.2Vdc 200Ah LiFePO4 / 51.2Vdc 200Ah LiFePO4
Number of Battery Packs / Total Energy	5 Packs / 51.2 kWh / 4 Packs / 40.8 kWh
Battery Cycle Life	≥ 8000 cycles @ 80% DOD, 25°C / ≥ 8000 cycles @ 80% DOD, 25°C
Max. Recommended DC PV Power	10000 W / 20000 W
Nominal DC Operating Voltage	360 Vdc / 360 Vdc
Max. DC Voltage / MPPT Voltage Range	500 Vdc / 90 V – 450 Vdc / 500 Vdc / 90 V – 450 Vdc
Max. PV Input Current	27A / 27A / 27A / 27A / 27A / 27A
No. of MPPT Trackers / Strings	2 Trackers / 2 Strings / 2 Trackers / 4 Strings
AC Input Voltage Waveform	Sinusoidal (utility or generator) / Sinusoidal (utility or generator)
AC Input Type / Voltage Range	Single phase / 230V: 90 – 280V / Single phase / 230V: 90 – 280V
AC Grid Frequency Range	50/60Hz (40 – 65Hz) / 50/60Hz (40 – 65Hz)
Max. AC Input Current	53 A / 106 A
Transfer Time	10ms typical (UPS VDE) / 20ms typical (APL) / 10ms typical (UPS VDE) / 20ms typical (APL)
Nominal AC Output Voltage	220 / 230 / 240 Vac / 220 / 230 / 240 Vac
Output Frequency / Power Factor	50/60 Hz / 1.0 / 50/60 Hz / 1.0
Max. AC Output Current	43.5 A / 86.9 A
Grid Type	Single phase / Off grid / Single phase / Off grid
Charging Curve	4-stage adaptive with maintenance / 4-stage adaptive with maintenance
Max. Charging / Discharging Power	10000 W / 20000 W
Max. Charging / Discharging Current	210 A / 420 A
Max. Efficiency / MPPT Efficiency	92% / 99.8% / 92% / 99.8%
Machine Dimensions (WHD)	650 * 2050 * 700 mm / 650 * 2050 * 700 mm
Operating Temperature Range	-15°C to 40°C / -15°C to 40°C
Ingress Protection Rating	IP54 / IP54
Communication / Display	WiFi / USB / CAN / RS485 / LED + LCD / WiFi / USB / CAN / RS485 / LED + LCD
Audible Noise	≤ 60 dB / ≤ 60 dB
Standard Warranty	Inverter: 5 years / Lithium Battery: 10 years / Inverter: 5 years / Lithium Battery: 10 years
Certifications & Standards	IEC62619, LVD(IEC62477), RoHS, CE-EMC, CE-LVD / IEC62619, LVD(IEC62477), RoHS, CE-EMC, CE-LVD

Commercial Energy Storage

ESG Series | 30kW – 60kW / 112.53kWh

Model ESG-11230, ESG-11240, ESG-11250, ESG-11260

Rated On-Grid AC Power: 30 kW / 40 kW / 50 kW / 60 kW
PACK Configuration / Nominal Energy: 1P16S*7 / 112.53 kWh / 1P16S*7 / 112.53 kWh / 1P16S*7 / 112.53 kWh / 1P16S*7 / 112.53 kWh

View specifications

Commercial Energy Storage