Pay attention : This is 18500 3.7V battery, high capacity 18500 li-ion rechargeable batteries with Flat top. They are NOT AA or AAA size batteries .

Wide Compatibility : Ormakurda 18500 3.7V battery compatible with solar lights, garden lights, security system panels, LED flashlights, landscape lighting.(Make Sure that the device's Battery Size is 18500 3.7V .)

No memory effect : The 18500 rechargeable li-ion battery can be charged over 800 times When Fully or Partially Drained.

Safe and Easy to Use : 18500 Rechargeable Batteries can Replace one-time-use battery to save environment by preventing the waste of non-rechargeable lithium 18500

Battery Type : 18500 Li-ion 3.7V rechargerable battery
Size :  50x18.3mm / 1.97x0.7 inch,
Positive Type: Flat top
Application : solar light, solar Landscape Spotlights