SUPEREX&reg; 2PCS 3volt 400 mAh CR2 15270 Battery + Car Charger Dual Rapid Rechargeable Battery Charger for 3V CR2 Lithium Batteries The Charger works with Li-ion CR2 or CR123 rechargeable batteries, and inclueds 2 pcs CR2 type. End-of-charge voltage detection assures the safe and full charge any time MCU control with Short-circuit protection,Over voltage cut-off protection,Reverse polarity protection Complete individual channels,Constant current and voltage.CR2 battery Can be compatible with a variety of devices, such as flashes, remotes, flashlights, binoculars with digital read-outs, toys, games, and portable devices ,etc Reset the battery you can test the Bad/non-rechargeable batteries. Adaptor is randomly selected for shipping Superex S12BK3VCR2A2 smart battery charger for 3V CR123A or CR2  rechargeable lithium batteries, and includes two of the 400mAh CR2 type. Individually-monitored channels allow you to charge one battery or  two simultaneously and you can even charge a CR123A and a CR2 together Charging time is about 2.4 hr for 1-2 CR123A batteries, or 1.6 hr for 1- 2 CR2 batteries. LED  indicators are red when charging is in-progress and flash in blue when  it&#039;s 80-90% done. They will change to a constant blue when charging is  90-100% complete and will flash red and blue to alert you to a battery error. Over-voltage protection keeps the charger from outputting too much power and surge protection shields it from input power overload Reverse polarity protection prevents damage if batteries are inserted incorrectly The Dual Rapid charger accepts 100-240V AC input power for use all over the world An AC and DC adapter are included for use at-home, in the office or on-the-go. CR2 batteries are rechargeable up to 1000 times and feature excellent high-load performance 
which helps prevent memory effect. 1X charger , 1X car cahrger , 2X CR2 battery , 1X adaptor(adaptor is randomly selected for shipping)