“HF Series” High-Rate Type
Small Valve Regulated Type
Compact and lightweight lead-acid batteries that require no watering and are suitable for a wide range of applications, including UPS backup power systems.
The HF Series consists of compact and lightweight lead-acid batteries that require no watering and support a wide range of applications such as UPS backup power systems.
Features (HF Series)
- High-rate discharge batteries developed for UPS applications, achieving 9–10 minutes of discharge time at 3C.
- Trickle life of 5 years, approximately 1.7 times longer than the HP Series, providing extended service life.
- Flame-retardant resin (UL94 V-0) is used as standard for both the container and cover materials.
Main Applications
- UPS
- Security and disaster prevention systems
Battery Specifications
| Battery model | |||||
|---|---|---|---|---|---|
| HF17-12A | HF28-12A | HF44-12A | |||
| Nominal voltage | V | 12 | 12 | 12 | |
| Capacity（25℃） | 20HR(0.05C) 1.75V/cell | Ah | 17 | 28 | 50 |
| 5HR(0.17C) 1.75V/cell | 14.5 | 24 | 37.5 | ||
| 1HR(0.6C) 1.60V/cell | 12 | 19.5 | 31 | ||
| 1C 1.60V/cell | 11.5 | 18.5 | 29.5 | ||
| 3C 1.30V/cell | 7.6 | 12.6 | 19.8 | ||
| Dimensions | Overall height | mm | 167 | 175 | 170 |
| Case height | 167 | 175 | 170 | ||
| Length | 181 | 166 | 197 | ||
| Width | 76 | 125 | 165 | ||
| Weight | approx. kg | 6.4 | 9.4 | 15 | |
| Flame retardancy of container material | – | HHF Series：UL94 V-0 | |||
| Internal resistance (25°C) | approx. mΩ | 15 | 10 | 8 | |
| Constant voltage charging | Charging voltage (25°C) | V | 13.65 ± 0.15 V (Temperature compensation coefficient: −20 mV/°C) | ||
| Maximum charging current | A | 5.1 | 8.4 | 13 | |
| Operating temperature range | Charging | ℃ | 0～40 | ||
| Discharging | ℃ | -15～50 | |||
| Storage | ℃ | -15～40 (For storage, keep at 30°C or lower whenever possible.) | |||
| Certified battery equipment | – | – | |||
| UL certification | – | ◯ | |||
