The CL-18650-29E/2S1P is a two-cell, 18650 lithium-ion battery pack from Cellevia, a manufacturer of advanced power solutions. This pack features a nominal voltage of 7.4 Volts, a max charge current of 1A and a max discharge current of 2.5A. It also has a temperature range of -10°C to +60°C. The pack is ideal for portable applications that require higher voltage and current.