Package Includes: Please check the selection and selection picture. Please choose carefully. Product Description: Kastar Rechargeable AA AAA Battery: Features* 100% Brand new and high quality* The latest lock electric technology are adopted* Ni-MH environmental protection material* Rechargeable battery, up to 1200 recharge cycles* Excellent high discharge/drain performance* Exact replacement for standard AA AAA size batteries* Superior performance under low temperature condition* Longer in high drain devices than Alkaline batteries* Can be commonly usedd for for high power demend devices such as Digital Cameras, CD Players, Remote Control Vehicles, Metal Detectors, PocketFlashlights, PDAs Palm Pilots, Pagers, Game Boys, Children's Toys, etc Specification: AAA Rechargeable Battery* Capacity: 700/1000mAh* Voltage: 1.2V* Battery type: AAA R03* Chemical Composition: Ni-MH* Quantity: 4/8/12/16pcs AA Rechargeable Battery* Capacity: 2700mAh* Voltage: 1.2V* Battery type: AA R6* Chemical Composition: Ni-MH* Quantity: 4/8/12/16pcs Kastar CMH4 Charger:1. Kastar USB compact charger, can charge 4 AA / AAA batteries at the same time.2. Easy to carry. The Charger Input: 5V 2A; Output: 1.2V 300mA *4 (Max).3. LED indicate: Red light for charging; White light for standby or full-charge.4. Can be powered by USB Wall & Auto Charger or a Computer.5. Multiple charging option, build-in cable USB-A and Type-C input. Kastar CMH8 Charger:1. Kastar USB compact charger, can charge 8 AA / AAA batteries at the same time.2. Easy to carry. The Charger Input: 5V 2A 10W; Output: 1.2V 300mA *8 (Max).3. LED indicate: Red light for charging; White light for standby or full-charge.4. Can be powered by USB Wall & Auto Charger or a Computer.5. Multiple charging option, build-in cable USB-A and Type-C input. Notice: If any questions, please feel free to contact us, our friendly and hassle-free customer service will work hard to put a smile on your face.Thank you very much!