Feature:1. [Battery Adapter] This battery adapter could convert battery to for Hitachi for Hikoki battery, cost saving, very practical.2. [Safety Design] Built in PCBA can protect circuit well, prevent from damage, prolong the service life of the adapter.3. [ABS Housing] The battery shell is made of high strength ABS, which is flame retardant, sturdy and not easy to break.4. [Standard Size] Professional compact designed, the converter is standard in size and easy to install, convenient to carry.5. [Perfectly Compatible] The battery is highly compatible with the adapter, simple to use, safe and reliable.Specification:Item Type: Battery Converter AdapterMaterial: ABSWeight: Approx.120g/4.2ozSize: Approx.11x9x6cm/4.3x3.5x2.4in.Package List:1 xBattery Converter AdapterNote:1. The converter does not support to charge power tool batteries.2. Please separate from the battery if not use for a long time.