Safely charges and monitors maintenance-free AGM batteries two to four times faster than the Battery Tender Plus
Bi-level power feature is safe to use when plugged into 3A fused ring terminals
5A charging only when three-wire ring terminals (provided) are used
Four-step fully automatic constant-current charging program initialization, bulk, absorption and float/maintenance
Spark-proof and reverse-polarity protected
Temperature compensation ensures proper charging even in extreme weather