BST Battery D-2/3AA400mAh 4.8V Battery
OSI Batteries is your One Source for replacement BST emergency lighting batteries. This 4.8v 450mAh NiCD battery replaces BST D-2/3AA400mAh 4.8V battery.
We recommend checking your existing battery for size and specifications prior to ordering as manufacturers may change requirements without notice.
We recommend checking your existing battery for size and specifications prior to ordering as manufacturers may change requirements without notice.
| Application: | Emergency Light, Exit Sign |
| Nominal Voltage: | 4.8v |
| Nominal Capacity: | 450mAh |
| Chemistry: | Rechargeable NiCD |
| Terminals: | Plug |
Reviews
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4.7
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Overall Rating
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them a 4 or 5-Star rating.
June 21, 2026 by Alan B. (NY, US)
“great price”
June 19, 2026 by Tom R. (NC, US)
“Very easy site to use.”
June 18, 2026 by MICHAEL Z. (FL, US)
“FAST AND EASY AND YOU HAD THE EXACT PRODUCT THAT I WANTED”

