Li-ion (lithium-ion)
- 18650 18x65mm 3.7V 1500-3600mAh (can be larger with protection circuit)
- 19670 19x67mm 3.7V 1500-3600mAh (correct designation of protected 18650)
LiPo (lithium polymer)
- 1S: 3.7V nominal (3.0V min, 4.2V max)
- 2S: 7.4V nominal (6.0V min, 8.4V max)
- 3S: 11.1V nominal (9.0V min, 12.6V max)
- 4S: 14.8V nominal (12.0V min, 16.8V max)
NiMH
- AA (aka 14500) 14x50mm