Battery: lithium | 3V | 2/3AA,2/3R6 | 2pin,for PCB | Ø14.6x33.3mm
Re-battery: Li-Ion | 18500 | 3.7V | 1500mAh | Ø18.5x53mm | 3A
Re-battery: Li-Ion | 18650,MR18650 | 3.7V | 2200mAh | Ø18.6x69mm
Re-battery: Li-Ion | 18650,MR18650 | 3.6V | 3300mAh | Ø18.5x65.3mm
Battery: lithium | 6V | 2CR5 | 34x17x45mm | non-rechargeable
Battery: lithium | 3.6V | 1/2AA | JST connector | Ø14.5x25mm | 1200mAh

