Question

Friends prompt

this dropin can work with 1 aa?

http://www.solarforce-sales.com/product_detail.php?t=RB&s=10&id=113

Should work. What are you putting the drop-in in??

Working voltage is 0.8-4.2v. AA battery is 1.5v.

Surely will but don't expect much current to the led.

+1 on that.

"Working voltage 0.8-4.2v. AA battery 1.5v". This I read,interesting will long work

http://www.powerwholesale.net/trustfire-tr805-q3-led-haiii-aluminum-flashlight-p-1242.html