BST D-C2500BT Battery Replacement 4.8v 3.0Ah
OSI Batteries is your One Source for replacement BST Emergency Light batteries. OSI Batteries OSA485 is a nickel cadmium (NiCD) battery that replaces BST D-C2500BT.
We recommend checking your existing battery for size and specifications prior to ordering as manufacturers may change specifications without notice.
We recommend checking your existing battery for size and specifications prior to ordering as manufacturers may change specifications without notice.
| Application: | Emergency Light, Exit Sign |
| Device Manufacturer: | BST |
| Device Model: | D-C2500BT |
| Nominal Voltage: | 4.8v |
| Nominal Capacity: | 3.0Ah |
| Chemistry: | Rechargeable NiCD |
| Weight (pounds): | 1 |
| Terminals: | Plug |
| Battery Manufacturer: | OSI Batteries |
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.
March 10, 2026 by Rose J. (TX, US)
“This battery is not easy to find and I needed the batteries for my scooter to be used.”
March 10, 2026 by Michael Z. (PA, US)
“good”
March 10, 2026 by Rob M. (CA, US)
“very easy and inexpensive”
