Long 3FM2.8 6v sealed replacement battery pack rechargeable.
Replacement 2.8ah sealed lead acid batteries, rechargeable to replace the Long 3FM2.8, 6v, this kind of power pack is often used in Monitoring equipment and emergency lighting.

• 3FM2.8 battery

This is a small valve regulated sealed lead AGM battery. this means that it can be mounted in portable devices and will not spill, also it needs no maintenance, except of course it needs to be charged.

Quite often these are used as backup energy source in something thats connected to the mains power all the time. maybe a security monitor or emergency lighting, where this is the case it will look after the charging of the unit automatically and typically will last many years.

Where is going into something more portable that requires your interaction for the charging then best advise is to charge after every single use and if not being used every four weeks.

Chemistry of battery: Sealed Lead Acid, VRLA
Voltage - 6v
Capacity - 2.8AH.

The physical size of this Long 3FM2.8 battery is as follows:
Length 66mm
Width 33mm
Height 104mm.