That's a really cool idea.
You may want to be careful with how the AAA is used in the T10 or any other AA torch. Since the capacity of AAs are ~3x the AAAs, you would be discharging at 3x the C using the AAAs. Let me clarify.
AA (2400mAh) have 1C = 2.4A
AAA (800mAh) have 1C = 0.8A
Using the...
From Maha/Powerex's (manufacturer of Imedions) C9000 manual,
"Charging at a rate below 0.33C and above 1.0C is not recommended.
Charging too slow may prevent the charger from terminating correctly.
Charging too fast may damage the battery.
Typically speaking, slower charging rate will yield...
I would highly recommend the Maha MH-C9000 "smart" charger for AA/AAA batteries. Proper use of this charger allows you to maximize the useful life and capacity of your AA/AAA. It also has great flexibility, where you can choose the charge and discharge rate in increments of 100mA.
There are...
Bright lights are great to catch people in the act (dumping, loitering, spying, etc.) When they're lit up, they're "deer in the headlights". You can get a good 2-3 second look at them.