These high quality 3 step chargers are ideal for all types of lead acid batteries. They come in t.wo flavours 1.0A; 3AH to 16AH (order code 18-1460) and 1.9A; 6AH to 32AH (order code 18-1461). At the end of the charge cycle the current decreases to a trickle charge at constant voltage, to keep the battery fully charged. They are a very neat desktop style of charger, and are much more compact than most lead acid battery chargers and comes complete with 2 types of battery connecting leads. The first is a standard 'crocodile clip' and the second is ring terminal connection, ideal for more permanent installations including caravans, boats and even vehicles that are stored for extended periods of time (classic cars, motorbikes etc). They has all the usual protection against reverse polarity, overload and short-circuit.