【Versatile CR123A Battery】Lithium Batteries Compatible with Arlo Camera (VMC3030/VMK3200/VMS3330/3430/3530), Flashlight, Digital Camera, Camcorder, Electronic Toy, Calculator, Mouse, Alarm System. 【High Capacity and Long Time Use】123 batteries with a capacity of up to 850mAh provide high power devices with 3-5 times longer life than ordinary alkaline batteries;3.7V output voltage, makes the devices work more stable. 【Safety certification】 Certified by UL, CE and RoHS. cr123a batteries has a built-in PTC protection board to prevent overheat, overvoltage, and overcurrent, ensure battery with higher safety performance than other brand batteries. 【Environmental Friendly】It’s super convenient to use and replace one-time battery to save environment by preventing the waste of non-lithium/alkaline battery. 【After-sale Warranty】90-Day Free Warranty, 24-hour Response Time for Customer Issues. 1