HC 1221W battery replacement

 

HC 1221W Battery Replacement – WP1221W 

Looking for a dependable replacement for the discontinued HC/HC 1221W battery? Our WP1221W sealed lead-acid (SLA) AGM battery delivers safe, maintenance-free power for UPS systems, emergency lighting, alarms, and backup applications.

Why Choose WP1221W 

  • Maintenance-free & sealed (AGM) — no watering, no spills, safe to mount on its side or upright.
  • Rechargeable sealed lead-acid technology — ideal for UPS systems, security panels, alarm systems, and other backup applications.
  • Internal/recessed top terminals — designed for direct replacement of HC 1221W batteries without modification.
  • Compact 12V 4.5Ah capacity — reliable runtime for UPS, lighting, security, and other low-to-medium drain loads.
  • Direct replacement for discontinued HC 1221W part number from CSB Battery.

Common Applications

  • Uninterruptible Power Supplies (UPS) & backup units
  • Security systems and alarm backup
  • Emergency lighting and exit signs
  • Home and office backup power

Order Information & Notes

HC 1221W was discontinued by CSB Battery — this AGM replacement ensures compatibility and safe installation. Always confirm terminal layout and dimensions before ordering. For bulk or business orders, contact us directly.

 

 

WP1221W front view