the replacement battery kit includes the battery (probably the end result of a recycling operation), a box, and a prepaid return label so you can send your near-dead battery back to the recycling plant. i had 5 ups devices, ordered 5 batteries, and replaced them all without a problem. well, one replacement was missing a small plastic piece (near a power connector), but i simply swapped one from a battery i was sening back and i was fine - they just stick to the battery using some foam tape. this was an eco-friendly way to refresh some ups devices. my old batteries lasted a few years before they started to fail too early in power outages. i can't remark on how the new batteries work in a power outage - haven't had one yet - but when i flip the switch, the lights come on like they should.
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