I found what i was looking for in a battery charger.
http://www.vaporbeast.com/product-p/bc3.htm
From the description:
Features:
* HD mini LCD screen displays precise voltage and battery capacity level
* Charging channels have independent display that shows charging status
* Automatically adjusts discharge current to charge different size battery
* Protection for - over-discharging, over-voltage, short-circuit and reverse polarity protection
* Automatically stops when fully changed
* Compatible with multiple battery types including: 10440,16340,14500, 14650, 17500, 17670, 18350, 18490,18500, 18650/18700, 22650, 26500/26650,Li-Mn or Li-ion