OAproda New Generation High Efficient Micro USB Battery Charger (LI42B) The thinnest Patent Micro USB Camera Battery Charger. Specially designed for Olympus Li-40B/Li-42B,12 months warranty. Portable and comfortable to carry when travelling. Micro Input: DC 5V+/-5%,Output: DC 4.2v +/-0.05v, 400-600mA Package includes: 1 x Brand new Battery Charger,1 x Micro USB Cable.