40140 3.1V 15Ah Sodium-Ion SIB Rechargeable Battery Cell Sodium Ion Batteries

Sodium-ion batteries are highly safe, have no risk of explosion and fire, and are environmentally friendly, non-toxic and non-polluting. No memory effect - the battery can be charged in any state of discharge, giving you peace of mind.

• Nominal Voltage: 3.1V
• Nominal capacity: 15Ah
• Cycle life: 4000 cycles
• Working Voltage Range: 1.5V-4.0V