Practice question
On a NEMA 3R BBS battery cabinet, which environmental factor most strongly accelerates battery wear?
- Elevated ambient temperature (each 10 deg C above 25 deg C roughly halves battery life)
- Proximity to a paved road
- Cabinet color
- Ambient humidity below 30%
Answer: A — Elevated ambient temperature (each 10 deg C above 25 deg C roughly halves battery life)
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