Lithium batteries Telcona offers a wide range of Lithium Primary cells, as well as rechargeable Lithium Batteries in the range of 5 to 10’000mAh. Customized sizes as well as customizes connectors can be realised. 15 - 1,000mAhSmall Capacity Cells 3.7V, 15-1,000mAh 1,000-5,000mAhMedium Capacity Cells 3.7V, 1,000-5,000mAh 5,000 - 10,000mAhLarge Capacity Cells 3.7V, 5,000-10,000mAh Energy CellsPower CellsCOIN Cells