MH79
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They seem to be ideal, as they generate 3.7v per cell, which is over 3 times more than the 1.2v of Ni-Mh.
So you could have 4 x rcr123's giving you 14.4v, and each cell is around 35mm long and 16mm fat (which isn't much more than a 14mm fat AA battery).
This would be ideal for portable Amps IMO - they are also very light, and have no memory effect (in fact it is better not to deep cycle them).
One thing tho, either use protected cells or have a low voltage cut-off, as Li-ions die if they go below 2.5v.
So you could have 4 x rcr123's giving you 14.4v, and each cell is around 35mm long and 16mm fat (which isn't much more than a 14mm fat AA battery).
This would be ideal for portable Amps IMO - they are also very light, and have no memory effect (in fact it is better not to deep cycle them).
One thing tho, either use protected cells or have a low voltage cut-off, as Li-ions die if they go below 2.5v.
