Unison DP800 UPS System Battery
OSI Batteries is your One Source for Unison UPS System replacement batteries. CP645 is a high quality aftermarket battery that fits Unison DP800 model uninterruptible power supply systems.
Unison DP800 Requires 4 batteries per unit please add to cart accordingly.
We recommend checking your existing battery for size and specifications prior to ordering as manufacturers may change requirements without notice. The original batteries in many UPS Systems are tied together with wire harnesses and/or fuses; we recommend that you save these in order to reuse them with your replacement batteries.
Unison DP800 Requires 4 batteries per unit please add to cart accordingly.
We recommend checking your existing battery for size and specifications prior to ordering as manufacturers may change requirements without notice. The original batteries in many UPS Systems are tied together with wire harnesses and/or fuses; we recommend that you save these in order to reuse them with your replacement batteries.
| Chemistry: | Sealed Lead Acid |
| Nominal Voltage: | 6v |
| Nominal Capacity: | 4.5Ah |
| Terminals: | .187" |
| Dimensions (L x W x H): | 2.76 x 1.85 x 3.98 |
| Weight (pounds): | 1.87 |
Reviews
We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.7
Out of 5.0
Overall Rating
96%
of customers that buyfrom this merchant give
them a 4 or 5-Star rating.
August 14, 2026 by IAN V. (CA, US)
“Renee was helpful. I didn't get an email to reset my password, which I forgot.”
August 13, 2026 by Daniel G. (MD, US)
“Easy process”
August 13, 2026 by Al D. (OH, US)
“Easy online ordering.”
