Model

GRLFP-512V50AH

Electrical

Parameters

(25°C)

Rated Voltage

512V

Rated Capacity (C5)

50Ah@25°C

Energy

25.6KWh

Months Self Discharge

<3%

Charge Efficiency

99.5%@ 0.2C

Discharge Efficiency

96-99%@ 1C

Voltage range

448V-552Vdc

Internal resistance (Fully charged, 25°C)

≤90mΩ

Cycle life

>5000 cycles @ 0.5C 100%D.O.D

Capacity

affected by

temperature

40°C

101%

25°C

100%

0°C

90%

-10°C

75%

Nominal operating temperature

25°C± 3°C (77°F± 5°F)

Operating

temperature

range

Discharge

- 20°C~ 65°C

Charge

0°C~ 50°C

Storage

0°C~ 70°C

Water Dust Resistance

IP23

Charge Voltage

544V-552V

Standard Charge Mode

(25°C±2°C, <75%RH)

0.5CA Constant Current to 544V,

then Constant Voltage 554V

until the current drops to 0.02CA,

before use, rest 30 minutes

Charge Current

10-25A

Maximum Charge Current

50A

Charge Cut off Voltage

552V

Continuous Discharge Current

25A

Short-circuit current

>5000A (<10ms)

Discharge Cut Off Voltage

448V

Communicate Protocol (optional)

(default none)RS485

Application connection

160 string 1 parallel

Mechanical

Cells

3.2V50AH

Length

600±2mm

Width

1000±2mm

Height

2000±2mm

Weight

550kgs

Container

Cold-rolled steel

Display

LCD

Others

CBMS system+

display

With BMU data collecting unit; BMS with Including single cabinet overvoltage, undervoltage, overcurrent, temperature protection, battery balance, monitoring of battery voltage and temperature, SOC and SOH calculation, cabinet charging and discharging control, and other functions

Design life

>15 years