6 x I8650 cells. These are the standard iniversal flat top I8650. Make sure you need flat top and not button top before ordering.
6 X I8650 3.7V Rechargeable Solder Top Diy Li-ion Battery / 18 X 650 Lithium
2 X I8650 3.7V 20r Rechargeable Flat Top Li-ion Battery/ 18 X 650 Solar Light
1 X I8650 3.7V Rechargeable Solder Top Diy Li-ion Battery / 18 X 650 Lithium
2 X I8650 3.7V Rechargeable Solder Top Diy Li-ion Battery / 18 X 650 Lithium
3 X I8650 3.7V Rechargeable Solder Top Diy Li-ion Battery / 18 X 650 Lithium
1 X I8650 3.7V Rechargeable Flat Top Diy Li-ion Battery / 18 X 650 Lithium
