Recommendations for portable battery charger

Gloomendoom

I have actually been through three Aldi chargers. They don't seem to last much longer than the 3 year warranty.

For battery maintenance, I use cheap 1 amp motorcycle auto chargers from Ebay. They have the advantage over the Aldi ones in that they don't need resetting after a power cut.

For getting amps into a battery, diagnosis and recovery, I use one of these....

Ring Multi stage fully automatic SmartCharger

Under £60 if you shop around

maxheadroom

Been through 4 aldi/lidl chargers, did get one replaced in just in warranty but have three dead ones in the shed. probably should have just spashed out for a ctek