The built in overload, & short circuit protection helps to ensure that whatever battery you are charging it is kept in the best condition possible. The charger can be powered from the mains or via a 12V car power adapter which is included. U0170895
Features: For all 3.6/3.7v & 7.2/7.4v Li-Ion battery packs where the contacts are on the same side Also charges 2 x AA/AAA rechargeable Ni MH / Ni Cd batteries Mains voltage 110-240v Auto-cut off timer: 8 Hr 30mins U0170895 Specifications: Not compatible with Sony NP-BD1, NP-BG1, NP-FD1, NP-FT1, & NP-FR1 batteries or with batteries that have contacts on opposite sides. 1 Year Warranty