Specifications
Model | GroundArk-2600 |
Capacity Energy | 2.8kWh |
Capacity Ah | 55Ah |
Suggested SOC | 10-100% |
Usable Capacity | 2.3kWh |
Nominal Voltage | 48/51.2V |
Operation Voltage | 42V - 54V (48V) or 44.8V - 57.6V (51.2V) |
Maximum Charging Current | 35A |
Maximum Discharging Current | 50A |
BMS | Robust Multi Point Monitoring BMS |
Scalable(Parallel Function) | Yes, Maximum 15 Packs In Parallel, 2-8 Packs in Series |
Life Cycling (0.5C 25ºC) | 6000 Cycles @ 0.5C |
Warranty | 10 Years |
Operation Temperature | Charge : 0 ~ 45ºC, Discharge : -20 ~ 45ºC |
Storage Temperature | -20 ~ 45ºC |
Net Weight | 30kG |
Dimensions (H x W x D) | 480 x 280 x 210 mm |
Certifications | MSDS, UN38.3, RoHS, IEC62619, CE |
IP Grade | IP54 |
Communication | RS232, RS485, CAN (Compitable with most brand inverters in market) |
Application

Product Images

2.56-10.24KWH
GroundArk Series
SolutionVoltage 51.2V
2.6-10.4KWH


StackArk Series
SolutionVoltage 260-350V
8KWH-20KWH
Compatible Inverter Brands
Company Profile
Sunpal Solar is a professional battery manufacturer since 2002, Sunpal manufactures and sells environmentally friendly Sealed Lead Acid (SLA) and Lithium batteries. Sunpal introduces and develops advanced technology, and adopts the world's most advanced production equipment and testing measures to ensure long product life, high energy density, and environmental protection features such as cadmium-free, leading the domestic counterparts.
Sunpal company is a high-tech enterprise headquartered in Shushan District, Hefei, China, and has three manufacturing bases in Jiangsu, Hengyang(China) and Vietnam. It has approximately 2,000 employees, including two professors who have experience over 40 years in batteries research, and over 50 research engineers.
Sunpal also has invested strongly in domestic and foreign institutions and scientific research institutions to overcome difficulties in battery technology. The performance of the batteries independently researched and developed by Sunpal has met and exceeded international standards, and a variety of technologies have been granted national and international patents.