| Model |
RN12120 |
| Nominal Voltage |
12V |
| Rated Capacity (20 hour rate) |
12.0 Ah |
| Rated Capacity (10 hour rate) |
11.1 Ah |
| Rated Capacity (5 hour rate) |
10.3 Ah |
| Rated Capacity (1 hour rate) |
7.88 Ah |
| Length |
151 ± 2 mm (5.94 inches) |
| Width |
98 ± 2 mm (3.86 inches) |
| Height |
95 ± 2 mm (3.74 inches) |
| Total Height (incl. terminal) |
101 ± 2 mm (3.98 inches) |
| Weight (Approx.) |
3.25 kg (7.17 lbs) ± 4% |
| Internal Resistance (Full Charged) |
22 mΩ |
| Self‑Discharge (3 months) |
91% capacity remaining |
| Self‑Discharge (6 months) |
82% capacity remaining |
| Self‑Discharge (12 months) |
64% capacity remaining |
| Self‑Discharge (Monthly) |
< 3% at 25℃ |
| Charge Voltage (Cycle Use) |
14.50 – 14.90 V |
| Charge Voltage (Float Use) |
13.50 – 13.80 V |
| Max Initial Charging Current |
≤ 3.6 A |
| Capacity at 40℃ (20hr rate) |
102% |
| Capacity at 25℃ (20hr rate) |
100% |
| Capacity at 0℃ (20hr rate) |
85% |
| Capacity at -15℃ (20hr rate) |
65% |
| Design Life |
RN series: 10 years |
| Battery Type |
VRLA / AGM Sealed Lead Acid |
| Applications |
UPS, Solar/Wind Power, Telecom, Medical, Security, CATV, Computers, Electric Tools, Toys, Emergency Lighting |