Simplex 2081-9288 — 12 V, 12.7 Ah rechargeable sealed lead-acid standby battery for Simplex fire alarm control panels.
Simplex panels run 24 V standby power, made by wiring two identical 12 V batteries in series. The 2081-9288 sits mid-range in the 2081 battery block and is compact enough to mount inside the panel cabinet on every Simplex panel family listed below, so no external battery cabinet is needed.
- Nominal 12 V; 12.7 Ah capacity at the 20-hour discharge rate
- 6 in. W × 4 in. D × 4 in. H with terminals (153 × 102 × 102 mm)
- Approximate weight 9 lb (4.1 kg)
- Lead-calcium grid with immobilized electrolyte; UL 924 recognized pressure relief valves
- Preferred charge temperature 60°F to 90°F (15.6°C to 32.2°C); typically 100 to 150 cycles
- Cabinet-mountable in 4003EC, 4004R, 4007ES/4005, 4006/4008, 4009, 4010, 4010ES, 4100ES/4100U and 4100/4120
Order two per panel, matched in model, voltage, appearance and approximate date of manufacture. Do not substitute a neighbouring 2081 number: 2081-9272 is 6.2 Ah, 2081-9274 is 10 Ah, 2081-9275 is 18 Ah, 2081-9287 is 25 Ah. Only 2081-9288 is 12.7 Ah.