SB2486 - 12V 7.2Ah Sealed Lead Acid (SLA) Battery
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These are small Sealed Lead Acid batteries that are generally used for semi-portable appliances that need more power or a fair bit of power (more than can be provided by D, C or AA cells) for a longish time. The amp-hour rating tells you how long the battery will last before it goes flat. For example, a 7.2Ah battery will give 7.2 amps for one hour or 3.6 amps for 2 hours or 1.8 amps for 4 hours, etc. Also often found in alarm systems, NBN installations, and other critical systems with backup batteries.
