Large Power manufacturers lithium ion battery

Visit at http://www.lithiumion-batterypack.com/industrial/lithium-ion-battery.html
Large Power manufacturers custom 18650,18500, 26650 lithium ion battery packs for industrial, medical, security, consumer and other special fields. Large cylindrical lithium  batteries use high security and high reliability design .Moreover , batteries have explosion-proof valve, PTC and the heat blocking the triple protection.