Recharge or Replace? Is the Six Pack or the CR123 the best fit for us?

There is no single answer for this.

The benefits of the the Six Pack include effectively zeroing ongoing costs of operation and the easy deployment offered by the case design.

The nature of rechargeable batteries is that they do not hold a charge as long as a replaceable battery. This gives the CR123 an advantage in the field with their longer run times and ability to swap out to new batteries on the spot.

Importantly, the benefits of either the TigerFlare Six Pack or the TigerFlare CR123 far outweigh the various costs of the chemical flares they replace.