24 Hour Emergency Power Services • Call 608-661-9910

Close Menu

CSB HR 1221W F2

The HR 1221W-F2 battery is a part of the CSB HR range of valve regulated lead acid batteries. This battery incorporates specific design features for high quality and high rate discharge. For instance, one of its key features being that it is UL94-V0 flame retardant (case and cover). In addition, for high energy density the HR 1221W-F2 has high conductivity faston tab 187/250 (F1/F2) terminals. This high rate (hr) battery is made for the information technology and uninterruptible power supply market.

Need your CSB HR1221W F2 UPS battery replaced? 

Technical Specs

  • Nominal Voltage: 12
  • Nominal Ah – 15min rate to 1.67VPC at 25°C: 21
  • Dimensions (inches): 3.54 x 2.76 x 4.01


  • High rate discharge Battery
  • Absorbed Glass Mat Valve Regulated Lead Acid (AGM VRLA) technology


Need a quote for a replacement?