<P> Nickel - zinc cell (NiZn) AAs are also available, but not widely used . </P> <Table> <Tr> <Th> Type </Th> <Th> Zinc--Carbon </Th> <Th> Alkaline </Th> <Th> RAM </Th> <Th> Li - FeS </Th> <Th> Li - ion </Th> <Th> NiCd </Th> <Th> NiMH </Th> <Th> NiZn </Th> </Tr> <Tr> <Th> IEC name </Th> <Td> R6 </Td> <Td> LR6 </Td> <Td> LR6 </Td> <Td> FR6 </Td> <Td>? </Td> <Td> KR6 </Td> <Td> HR6 </Td> <Td> ZR6 </Td> </Tr> <Tr> <Th> ANSI / NEDA name </Th> <Td> 15D </Td> <Td> 15A </Td> <Td> 15A </Td> <Td> 15LF </Td> <Td> 14500 </Td> <Td> 1.2 K2 </Td> <Td> 1.2 H2 </Td> <Td>? </Td> </Tr> <Tr> <Th> Capacity under 50 mA constant drain </Th> <Td> 400--1700 mAh </Td> <Td> 1800--2600 mAh </Td> <Td> 1800--2600 mAh </Td> <Td> 2700--3400 mAh </Td> <Td> 600 - 800 mAh </Td> <Td> 600--1000 mAh </Td> <Td> 600--2850 mAh </Td> <Td> 1500--1800 mAh </Td> </Tr> <Tr> <Th> Nominal voltage </Th> <Td> 1.5 V </Td> <Td> 1.5 V </Td> <Td> 1.5 V </Td> <Td> 1.5 V </Td> <Td> 3.6 - 3.7 V </Td> <Td> 1.2 V </Td> <Td> 1.2 V </Td> <Td> 1.6 - 1.65 V </Td> </Tr> <Tr> <Th> Max . energy at nominal voltage and 50 mA drain </Th> <Td> 2.55 Wh </Td> <Td> 3.90 Wh </Td> <Td> 3.90 Wh </Td> <Td> 5.10 Wh </Td> <Td> 2.88 - 2.96 Wh </Td> <Td> 1.20 Wh </Td> <Td> 3.42 Wh </Td> <Td> 2.97 Wh </Td> </Tr> <Tr> <Th> Rechargeable </Th> <Td> No </Td> <Td> Some </Td> <Td> Yes </Td> <Td> No </Td> <Td> Yes </Td> <Td> Yes </Td> <Td> Yes </Td> <Td> Yes </Td> </Tr> </Table> <Tr> <Th> Type </Th> <Th> Zinc--Carbon </Th> <Th> Alkaline </Th> <Th> RAM </Th> <Th> Li - FeS </Th> <Th> Li - ion </Th> <Th> NiCd </Th> <Th> NiMH </Th> <Th> NiZn </Th> </Tr> <Tr> <Th> IEC name </Th> <Td> R6 </Td> <Td> LR6 </Td> <Td> LR6 </Td> <Td> FR6 </Td> <Td>? </Td> <Td> KR6 </Td> <Td> HR6 </Td> <Td> ZR6 </Td> </Tr>

How much current can a aa battery supply