The Power Sonic PG-12V21FR is a 12V sealed lead acid (SLA) battery from Power Sonic’s PG Series long life AGM range in the flame-retardant (FR) version, with a UL94 V-0 rated ABS case and cover. Power Sonic designs its PG long life AGM batteries for maximum reliability and extended float life, providing backup power for security, emergency lighting and critical standby systems.
Key features
- Absorbent Glass Mat (AGM) sealed lead acid construction, maintenance-free
- Gas recombination technology for quick recovery of capacity during charge
- Flame-retardant (FR) version: ABS case and cover rated UL94 V-0
- 10-year float life class (per Power Sonic float life data)
Technical specifications
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Nominal voltage: 12V (6 cells)
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Nominal capacity (20-hour rate): 20.0Ah
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Capacity (10-hour rate): 18.9Ah
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Capacity (5-hour rate): 17.45Ah
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Capacity (1-hour rate): 13.1Ah
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Approximate weight: 5.65 kg
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Dimensions (L × W × H): 182 × 76 × 168 mm
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Height over terminals: 168 mm
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Internal resistance (approx.): 16 mΩ
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Max short circuit discharge current: 560A
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Operating temperature – charge: −20°C to +40°C
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Operating temperature – discharge: −15°C to +50°C
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Terminals: M5
Specifications taken from the Power Sonic datasheet; dimensions have a tolerance of ±2 mm.
