Mikroe 3.7V Li-Polymer Batteries are a compact solution for battery power supplies. They are available in 250mAh, 1500mAh, 3000mAh, and 600mAh, rechargeable 3.7V batteries. Li-Polymer Battery is the best solution for adding an autonomous and stable power supply to devices that require mobility and a long-lasting energy source. It has a standard connector compatible with mikromedia boards.