Energy Storage Packs






DLG provides safe,well-designed andhigh-performance standard LFP battery pack for customers. The battery pack is compact, easy to install, free of maintenance and is used as the building block of energy storage system by assembling in parallel. It is widely applied in home applications, small C&I ESS as well as Telecom stations. 



Store excess energy generated by solar panels
and use it whenever needed

Electricity Bills Reduction

Charge the battery during off-peak period
and discharge the battery during peak period

Back-up Power Supply

Provide emergency power supply during grid blackouts

Smart Energy Management

Measure, Monitor and Manage the system in real-time.
Optimize the system life span by intelligent algorithms

Technical Specifications


Battery Model E-BOX-4850 E-BOX-48100R E-BOX-48100C
Chemistry LFP LFP LFP
Nominal Voltage 48V 51.2V 51.2V
Nominal Capacity 50Ah 100Ah 100Ah
Unit Dimension L440mm*W420mm*H89mm(2U) L440mm*W620mm*H117mm(2.6U) L440mm*W480mm*H200mm(4.5U)
Unit Weight 25kg 51kg 50.6kg
Standard Charge Current 50A 50A 50A
Maximum Charge Current 50A 50A 50A
Standard Discharge 50A 50A 50A
Maximum Discharge 50A 50A 50A
Round-Trip Efficiency 95% 95% 95%
Communication Protocol RS232, RS486, CAN RS232, RS486, CAN RS232, RS486, CAN
Cycle Life 6000 cycles 6000 cycles 8000 cycles
Calendar Life 10 years 10 years 10 years
Operating Temperature -10~50 -10~50 -10~50
Connect Style Parallel Parallel Parallel


Cells& Packs
  • The olivine structure and the stability of P-O bond of LFP cells guarantee much highersafety than those of NCM cells
  • 17 years experiences of pack R&D ensure longer cycle life of the battery
    BMS System
    • Equipped with automotive grade chips by TI system
    • Real-time temperature, current, voltage measuring and monitoring and accurate SoC and SoH calculation
    • Double protection by master chips. When the main chip fails, the back-up chip keeps protecting the system

      Quality Assurance

      • UL 1973/ IEC62619/ CE/ UN38.3 Certificates
      • TÜV, SGS, BV International Certified Cooperative Testing Laboratories

        Quick Responce

        • Quick local after-sale response/ 24 hours* 7days


          No.3492 Jinqian Road,,Fengxian District,Shanghai,China