rmlight® 18650 USB Rechargble Lithium-Ion Batteries, Product Details: Button-top lithium-ion battery with built in Micro-USB charge port, Charges in 5 hours, Integrated safety circuit protects battery from overcharge/overdischarge, Teing and Approvals: NFPA 1901-14.1.10.2 (2016) | Batt. Size: 18650 | Batt. Type: Lithium-Ion | Brand: RMLIGHT | Country of Origin: CN | Hazmat: YES | MPI talog: NO | ORMD: NO | Prop 65: NO | Special Order: YES | Voltage [Nom]: 3.7 V
