Lithium (safe) ion 18650 nominal voltage 3.2 volts 1500mAh rechargeable cells. Cathode material is iron phosphate. These batteries are very safe with a pressure relief valve and patented thermally stable chemistry. The cells are 18mm diameter and 65mm in length and they weight 39.5 grams.
Please contact us at (702) 478-3590 or email us at firstname.lastname@example.org for large quantity order pricing, for distribution and/or OEM opportunities, and for any custom battery solution that you may need.