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) |
38Ah |
| Weight |
11.5Kg |
| Max Discharge Current |
30I10A (3min) |
| Max Charge Current |
≤0.25C10 |
| Self-discharge (25°C) |
≤3%/month |
| Case Material |
ABS |
| Dimensions (L×W×H) |
195×164×173 mm |
| Total Height with Terminals |
173 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 |
20.18 |
9.17 |
6.13 |
4.25 |
2.04 |
0.86 |
0.47 |
0.41 |
0.22 |
| 1.75 |
19.78 |
9.08 |
6.02 |
3.82 |
2.00 |
0.83 |
0.44 |
0.39 |
0.20 |
| 1.80 |
19.38 |
8.99 |
5.93 |
3.80 |
1.95 |
0.80 |
0.42 |
0.36 |
0.19 |
| 1.85 |
18.60 |
8.94 |
5.81 |
3.84 |
1.85 |
0.77 |
0.39 |
0.34 |
0.17 |
| 1.90 |
17.86 |
8.86 |
5.73 |
3.67 |
1.82 |
0.74 |
0.38 |
0.32 |
0.16 |
| 1.95 |
17.08 |
8.69 |
5.61 |
3.47 |
1.69 |
0.69 |
0.36 |
0.31 |
0.16 |
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.