My comments below is bias because I have a chance to review some of them... 
| Model |
Comments |
| X7R Marauder |
so far there are no similar in-light rechargeable model with such quality, however, make sure you are getting the latest revision.
you may also want to consider other non-rechargeable models for such a big light from Olight itself or other good manufacturers.
|
| R50 Pro |
This is using a custom 26650, other 26650 battery may be too long in length to fit when you need replacement. Also make sure
you have the latest revision if you are getting the R50 Pro LE Kit (the cradle charging kit).
I humbly recommend you to look for alternative to this model.
|
| H2R Nova |
Good headlamp! Highly recommended especially the neutral white model!
Remember to ask for new "safe" tailcap, or better, get both the "fire-starter" tailcap and the "safe" tailcap so you have a choice
in case you need an "emergency fire-starter".
A good alternative is XTAR H3R Magnemite (tho ironically, minus the rechargeable cable).
If you are looking for proper headlamp (not right-angle light like H2R Nova), Fenix, NiteCore and Petzl can give you some
awesome choices.
Alternative in this category is the right=angle lights from ZebraLight and Armytek.
|
| M2R Warrior |
IMHO, M2T is a better light. Other alternative includes Olight S30RIII and S2R, although both inherit the fire-starting
tailcap "feature".
There are plenty of other lights in this category from other manufacturers.
|
| S1R Turbo S |
A good choice. Alternative is FourSevens Mini MKII.
Recommend to stock up a few spare Olight 163C05 IMR batteries as this model will aged the cell real fast if you go
nuclear mode...sorry... I mean Turbo S mode frequently.
|
| I3E EOS |
This is a very good choice! Keychain carry 2 units (1 black, 1 silver) myself after 2 Fenix E05 failed. Rechargeable
NiMH like Eneloop AAA is good for EDC, although Primary Lithium AAA is best for this light. |
Note that although Olight's rechargeable system is convenience if you buy into their whole rechargeable family, it is slow to recharge for 18650-size and current may be a little high for 16340-size batteries, not to mention the occasional "hiccup" with their cradle charger...
Looking at your fleet of flashlight models, since you are constantly on the move, imho, a light or two that uses common AA battery is highly recommended. If you would like to stick to Olight, the S1A is an under-appreciated model that could make it to your list. It supports LiIon (14500), NiMH, Alkaline (hightly not recommended) and Primary Lithium (highly recommended) battery making it very versatile when it comes to power source.