I purchased this item for around 5,000 yen a few years ago and used it a few times before storing it at home. I am selling it because I no longer have a motorcycle. Model number: 1734 Can charge without removing the battery terminals. Charging starts simply by connecting and pressing the mode selection button. Protects against self-discharge with maintenance charging after charging is complete. No need to worry about overcharging even when left connected after charging is complete. Charging status is indicated by a lamp. Uses round terminals and detachable charging clips. Safe and reliable with various protection circuits (output short-circuit protection circuit, output reverse connection protection circuit, overheat protection circuit, mode switching protection circuit). Waterproof and dustproof design (IEC standard IP65 compliant). Power cord, charging cable, and charging clips can be stored in the main unit. Equipped with a battery activation function. The use of a switching power supply makes the charger lightweight and compact. Compatible with a wide range of battery capacities (compatible with open batteries, sealed batteries, and calcium batteries). (Quoted from the product description)