AccuMate PRO 12V-24V - Selectable 12V 7A / 24V 3.5A and AccuMate PRO 12V-4A smart battery charger AccuMate PRO is a versatile automatic compact battery charger for lead-acid starter and deep cycle batteries of minimum capacity 7Ah (12V) or 9Ah (24V). Suitable for all types of batteries: filler cap type; absorbed acid "MF" (AGM); valve regulated (VRLA); and flooded (wet) and GEL-electrolyte types from 17Ah upwards (9Ah upwards for 24V). Very easy to use - Select 12V or 24V charging output according to battery type (except on 12V model), then connect to battery and main power. The rest is totally automatic. In addition to its quick charging ability, AccuMate PRO is ideal for long term maintenance of the batteries of irregularly or seasonally used vehicles and appliances, or classic, veteran and collectors' vehicles. Interactive standby feature – operational during MAINTAIN stage – acts as a power supply and battery protector. It will allow close to maximum current to be drawn by circuits or devices connected to the battery (vehicle alarms, ventilation fans, in-vehicle freezers) without losing any battery charge. No risk of overcharging - AccuMate PRO’s special temperature regulated monitoring circuits vary and regulate the current and voltage according to ambient temperature as long as the batteries remain connected. One month or one year, it makes no difference! Easily detachable handle incorporates cable and clamp storage and can be mounted above the main housing (for carrying) or below (for wall-mounting). 2 keyhole slots in the rear of the housing engage on two screws in the wall. Compact charger dimensions of 14x16x15 cm (5 1/2" x 6 3/8" x 6"high) including handle. Integral cooling fan with seated ball-bearings (rated for a minimum 5 years of continuous running) on 12V/24V model ensures cool operation for enhanced service life. An internal temperature monitor (NTC thermistor) controls the output current and reduces overheating in exceptional circumstances. Intelligent electronic protections against inverse polarity, short-circuit, over-heating with built in spark suppression.