CSB HR1221WF2 VRLA‑AGM dry battery:

• Dimensions: 90 × 70 × 106 mm (3.54″ × 2.76″ × 4.17″)

• Weight: ~1.8 kg (4 lb)

• Terminals: F1/F2 Faston tabs (0.187″/0.250″

• Max Discharge: 60 A continuous, 90 A peak (5 sec)

• Internal Resistance: ~23‑25 mΩ

• Charge Parameters:
  ‣ Float: 13.5‑13.8 V
  ‣ Equalize/Cycle: 14.4‑15.0 V
  ‣ Max charge current: 2.1 A

• Operating Temps:
  ‣ Discharge: –15 °C to +50 °C
  ‣ Charge/Storage: –15 °C to +40 °C

• Lifespan:
  ‣ ≥260 cycles @ 100% discharge
  ‣ 3‑5 years in standby use

 Common Applications

• UPS and backup power systems

• Emergency lighting & alarm panels

• Portable medical equipment, telecom, industrial tools

• Ideal where compact size and high discharge performance are needed

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