TLP is a brand of charger
http://www.tokyo-model.com.hk/trade/productview/1974
a manual can for found online for your gun here
http://tech.airsoftcanada.com/TM/TM%20-%20M4/
if you get a wall charger from radioshack mare sure you find a guide online that shows you how to calculate charge times so you don't destroy your battery.