Simplex 2081-9296 — 12 V sealed lead-acid system battery rated 50 Ah at the 20-hour discharge rate.
Simplex panels take their secondary supply from two 12 V batteries wired in series for 24 V, and at 50 Ah this is one of the larger sizes. Lead-calcium grids and immobilised electrolyte give rated capacity on the first cycle, and at 41.8 lb it normally lives in an external cabinet.
- Nominal 12 V; 50 Ah at the 20-hour rate, the only rate Simplex publishes
- 9 in. W × 5-1/2 in. D × 8 7/8 in. over terminals; 41.8 lb (19 kg)
- Dual-seal polystyrene cover, UL 924 recognized pressure relief valves
- Typical 100 to 150 cycles; preferred charge temperature 60 °F to 90 °F
- Listed for 4100ES and 4100U two- and three-bay cabinets; external cabinet required on 4100 and 4120
- External cabinets 2081-9281 and 2081-9282 without charger, 4081-9301, 4081-9302, 4081-9306 and 4081-9308 with
2081-9287 is 25 Ah, and the two 33 Ah parts are not interchangeable in a cabinet: 2081-9276 is the square case for new work, 2081-9271 the rectangular service case. Above this, 2081-9279 is 110 Ah and cannot go in a panel at all.
