I. Features
1. VRLA gel battery with advanced technology
2. No free electrolyte, no acid mist, maintenance-free
3. Suitable for solar, wind, telecom, UPS, etc.
4. Float design life over 8 years
5. Low self-discharge (≤3%/month), suitable for long storage
II. Technical Parameters
| Rated Voltage |
12V |
| Rated Capacity (10hr, 1.80V/cell, 25°C) |
50Ah |
| Weight |
14.5Kg |
| Max Discharge Current |
30I10A (3min) |
| Max Charge Current |
≤0.25C10 |
| Self-discharge (25°C) |
≤3%/month |
| Case Material |
ABS |
| Dimensions (L×W×H) |
227×137×215 mm |
| Total Height with Terminals |
215 mm |
III. Operating Conditions
| Temperature Range |
Discharge: -45°C~50°C Charge: -20°C~45°C Storage: -30°C~40°C |
| Charge Voltage (25°C) |
Float: 13.5V-13.8V Equalize: 14.4V-14.8V |
| Charge Method (25°C) |
Float: 2.275±0.025V/Cell, ±3mV/Cell °C Cycle: 2.45±0.05V/Cell, ±5mV/Cell °C |
| Temp vs Capacity |
105% @ 40°C 82% @ 0°C 68% @ -20°C |
IV. Discharge Current (A, 25°C) at Different Cut-off Voltages & Discharge Durations
| Cut-off Voltage (V/Cell) |
1H |
3H |
5H |
10H |
20H |
50H |
100H |
120H |
240H |
| 1.70 |
26.55 |
12.07 |
8.07 |
5.20 |
2.69 |
1.13 |
0.61 |
0.54 |
0.29 |
| 1.75 |
26.02 |
11.95 |
7.92 |
5.05 |
2.63 |
1.09 |
0.57 |
0.51 |
0.27 |
| 1.80 |
25.50 |
11.83 |
7.80 |
5.00 |
2.56 |
1.05 |
0.55 |
0.47 |
0.25 |
| 1.85 |
24.48 |
11.77 |
7.65 |
4.79 |
2.44 |
1.01 |
0.51 |
0.44 |
0.23 |
| 1.90 |
23.50 |
11.66 |
7.54 |
4.69 |
2.40 |
0.98 |
0.50 |
0.42 |
0.22 |
| 1.95 |
22.47 |
11.43 |
7.38 |
4.43 |
2.23 |
0.91 |
0.47 |
0.40 |
0.21 |
V. Certifications
• IEC 61427-2005
• GB/T 19001-2016 idt ISO 9001:2015
• EN IEC 61000-6-2:2019, EN IEC 61000-6-4:2019
• EN IEC 61000-3-2:2019+A1:2021
• IEC 61000-3-2:2013+AI:2019
Product dimensions and specifications are subject to change without notice. Please refer to the latest physical product for final details.