Automatic charger for LST lead-acid batteries with 6/12V capacity. Suitable for fully discharged maintenance-free lead-acid batteries of various types - conventional, gel, AGM. Has multi-level protection against incorrect connection, short circuit, overvoltage and other abnormal situations. Moisture-proof housing. Automatically passes through 5 stages of charging and goes into the mode of maintaining charge at the end of the cycle. Visual display shows the current state of the charging process and diagnostic information. Compact size and lightweight for carrying.