APC Smart-UPS SU1250i UPS battery pack replacement sealed lead VRLA
Replacement APC Smart-UPS SU1250i sealed lead battery pack, rechargeable UPS system valve regulated batteries, VRLA and AGM, they will not spill, safe to be mounted on the side at low competitive cost

Please find the information on this page for a set of batteries for the APC Smart-UPS SU1250i, it stores its required energy onboard using sealed lead storage batteries, these are used to filter the mains electrical input before outputting a clean supply without spikes and is powered by 12v cells, and comes with 2 x 12-volt batteries which is what the offer on this page is, they are the required rechargeable type of battery, not-hazardous and will not spill, AGM and VRLA, more information about these chemistries will be found below

• APC Smart-UPS SU1250i battery replacement

The task of installing the batteries is not a difficult one, you should refer to your manual for the full method, once you have them in the system it will fully charge them, even though they will come out to you almost charged it will still need to complete this task, you should note that while this is going on you will not have the full runtime protection, while you might just want to install and go, it may be better to start without load, this give the system chance to reset to the new batteries properly

You can expect a battery life expectancy of between 2-5 years in your UPS, this will be dependant the use your put it to, supplying adequate ventilation is important, the batteries are being continuously used the hotter they get the shorter the life span, keeping the load low will also help extend the life span, in a ideal world keep it below 40%, they are so often run to the edge of their capabilities, while they may be more than able to, it will be at the expense of the life span

These batteries are valve regulated, recommended for uninterruptible power supplies, they will not leak due to the advanced absorbed glass mat technology, being both AGM and VRLA they can be used in both tower or rack configurations, also not-hazardous so safe for mission critical installations

We offer the information on this page as a guide only, if you carefully check the code on your UPS then you should be ok but look carefully as many are very similar, the batteries are environmentally friendly and recyclable, more information regarding recycling will be found at a link at the foot of this page.

Voltage = 12-volts
Capacity = 18Ah @20Hr
Chemistry = AGM, VRLA, Pb
Hot swap capable

In this set you will find a quantity of 2 batteries for use in the APC Smart-UPS SU1250i here is the dimensions of a single battery
Length = 181mm
Width = 76mm
Height = 167mm
Battery layout - from chart below = 0