Battery which charger for Sealed Lead Acid Battery 12V 7.0Ah?

[s#loxy]

I'm planning on buying 12V 7.0 lead acid battery (item 38315 from Screwfix) to power a small water pump(Seaflo 12V 1.2 GPM 35 PSI Water Pressure Diaphragm Pump).
I've searched a bit for which charger to charge up battery but was hoping someone would point me to an affordable option or tell me what to search for.
From researching, it seems like I should limit it to output current of around 1.4A to 2A and maybe 'Smart chargers' (chargers with smart charging capabilities, such as automatic shut-off, trickle charging, and overcharge protection)

Ideally around max 20/25 euro/sterling budget.

 

[James]

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