Sealake FM1250 12v 4.5ah battery replacement sealed lead VRLA AGM
Replacement Sealake FM1250 rechargeable 12v 4.5ah battery pack, valve regulated VRLA sealed AGM, safe non-spillable batteries, often seen in UPS systems and portable devices even lawn mowers offered direct from warehouse at low price.
The following information has been compiled to assist you to make a more informed decision on the purchase of a new replacement compatible battery for the Sealake FM1250, they can store 4.5-ah of energy in the 12v cells and are seen in many devices from portable equipment to UPS systems and are capable of deep cycling, which as you would expect, rechargeable, they're sealed at the factory so will not spill any liquid even if mounted in portable devices, so safe to handle and use indoors, they are AGM and VRLA offering a long life, more information on the chemistry of them will be found below.
The batteries that you obtain from us will be almost fully charged, but you should still charge them fully before first use, if you are using the battery in something like a UPS system you can skip this step as it will complete the charge for you after installation automatically, and do a far better job of it than you could do manually, you do not need to leave it on for hours on end, it will probably not take very long at all depending on the charger, just until the charger has indicated that it has finished, do not be impatient, wait until this first charge has completed before using the equipment, it will contribute to overall battery life
Please note, alternative sized battery available: We also do another FM1250, completely diffrenet shape often seen in lawnmowers, you will see a link to it in the alternative tab
it may well take up to ten charges and alternating use in your equipment for the battery to fully condition and be able to take a full capacity charge, this is all quite normal, you should fully charge as soon as you can after every single use, do not leave them sitting in a semi discharged state any period unless really necessary, discharging the batteries fully will only reduce their life expectancy, you cannot kick start this kind of battery in that way, it will do them no good and will cost you money in the long run, it is important to keep a charge in the batteries for long life, so if there is any period of time where they are not being used then charge before hand and top this up every four weeks but do not leave on a charger for more than 24hr
These 12v batteries are very resilient and can be mounted on the side without any issues so suitable for use in portable devices, deep cycle capable which of course is essential in electric powered devices, no leaking, which means they can be used indoors or medical environments, they are the recommended VRLA type and benefit from AGM technology they are not-hazardous so safe
We offer the information on this page purely as a guide only, if you carefully check the code then you should be ok, many are very similar so it's worth being vigilant, if in doubt look at your old battery, take note of the dimensions and anything written on the side of them, we have included the size below so you can double check, This 12-volt 4.5ah battery is as you would expect recyclable, more detailed information on recycling can be found at the foot of this page
Voltage = 12v
Capacity = 4.5Ah @20Hr
Chemistry = Pb, sealed lead, VRLA, AGM
In this set This is a quality battery for the Sealake FM1250 the physical size of the individual batteries are as follows
Length = 90mm or 3.54-inches
Width = 70mm 2.75-inches
Height = 101mm or 3.97-inches
If you would like to achieve more mileage from your battery and equipment then we can offer you a easy upgrade, a 5ah battery set will directly replace these and with the same physical size will slip straight in, the link to this extended option can be found just a little bit further down the page
