ESP-R12-E Energy Storage-Solution
Re-shaping energy storage for housing, commercial activity, and the industry.
Why Choose ESP-R12-E?
The ESP-R12-E is a high-performance energy storage solution that caters to the dynamic needs of residential, commercial, and industrial applications.
This rack solution comes with a storage capacity of up to 65.
kWh, seamlessly integrating with ESP-5K HL battery packs and a Battery Control Unit (BCU) to provide reliable, efficient, and scalable energy storage.
With precision engineering and durability, the ESP-R12-E is the perfect device for users looking to optimize their energy usage while reducing their negative impact on the environment.
Key Features

Scalable and Flexible Storage
Supports up to four battery packs

Advanced Safety Features Battery Management System (BMS)
UL9540, UL1973, CEC, SGIP compliant

Eco-Friendly Energy Storage
Supports sustainable energy use

Cost Efficiency
Energy stored to use during peak demand.
Downloads
Download the detailed data sheet and comprehensive installation manual for complete product specifications and step-by-step setup guidance.
The ESP-R12 battery pack
The ESP-R12 is tailored for indoor C&I environments, offering space for up to 13 batteries, totaling 65 kWh. It’s ideal for sustaining critical operations with uninterrupted power, ensuring reliability and performance in demanding settings
Key Features
Unrivaled Scalability
Supports configurations from 5 kWh to 65 kWh, thereby giving flexibility for the varied energy needs.
Up to 12 ESP-5K HL battery packs and one Battery Control Unit (BCU) are supported.
Excellent Performance
Nominal Energy: 65 kWh for large energy requirements
Working Voltage Range: 48 V to 728 V, with flexibility for operational requirements
Durable and Compact Design
Dimensions: 80.2 x 29.7 x 26 inches (2037 x 755 x 660 mm).
Weight: 324 pounds (147 kilograms), designed with stability and mounting convenience.
Steel Material: Forged with the sturdiest steel materials and powder coated with a metallic gray or white cover.
Full Protection
Only for Indoors: In an environment-controlled condition, such equipment is suitable to work as well as reach peak performance level.
Certified Compliance: Compliance certificates from UL9540, UL1973, and further for safety standards and efficiency rating.
Warranty and Lifetime
Fully covered by a 10-year warranty, the company gives peace of mind and lasting reliability to consumers.
Configurations
The ESP-R12-E supports several configurations, giving a very wide variety of use cases. Here are the major setups
Series Configurations
1 Pack:
- Nominal Energy 5 kWh
- Working Voltage: 48 V – 56 V
- Weight: 425.6 lb (193 kg)
6 Packs:
- Nominal Energy 30 kWh
- Working Voltage: 288 V – 336 V
- Weight: 932.7 lb (423 kg)
12 Packs:
- Nominal Energy 60 kWh
- Working Voltage: 576 V – 672 V
- Weight: 1541.3 lb (699 kg)
- Parallel Configurations
2 Packs in Parallel:
- Nominal Energy 10 kWh
- Storage Capacity 200 Ah
- Weight: 527 lb (239 kg)
5 Packs in Parallel:
- Nominal Energy: 25 kWh
- Storage Capacity: 500 Ah
- Weight: 831.3 lb (377 kg)
13 Packs in Parallel:
- Nominal Energy: 65 kWh
- Storage Capacity: 1300 Ah
- Weight: 1642.7 lb (745 kg)
Advantages of ESP-R12-E
Flexibility
Be it a house, a commercial building, or an industrial setup, ESP-R12-E offers customized solutions for your energy needs.
Eco-Friendly
With advanced lithium-ion technology, this energy storage system minimizes environmental impact while maximizing efficiency.
Long-Term Reliability
Built to last with durable materials and backed by a 10-year warranty, the ESP-R12-E ensures years of uninterrupted performance.
Future-Proof Technology
Designed with the latest advancements, ESP-R12-E is forward-thinking energy to sustain a good life on the earth.
Seamless integration
System Integration with the ESP-5K HL battery packs makes scaling easy.
Warranty and Support
Technical Specifications
General Information
Dimensions: 80.2 x 29.7 x 26 inches
Material: Steel with powder-coated finish.
Color Options: Gray or White.
Electrical Specifications
Working Voltage Range: 48 V – 728 V.
Nominal Energy: Up to 65 kWh.
Compliance
Pending certifications: UL9540, UL1973, CEC, SGIP.
Power Your Future with the ESP-R12
EndurEnergy Systems is a trusted name in energy solutions, with a commitment to innovation, quality, and customer satisfaction. By choosing the ESP-R12-E, you’re investing in a product that combines cutting-edge technology with proven performance.
FAQ’s
Can I expand the system later?
Yes, the ESP-BU20 allows scalability from one battery pack to four, accommodating growing energy needs.
How long will the system last?
The ESP-BU20 offers up to 6,000 cycles, equating to over 10 years of reliable use with proper maintenance.
Is it suitable for outdoor installation?
Yes, with an IP55 protection rating, the unit is resistant to dust and water, making it ideal for indoor and outdoor use.