Package included: 2X AAAA Battery 1X LED USB Charger Specifications: Battery type: Ni-Mh voltage: 1.2V Capacity: 450mAh Features: * High performance, up to 1,200 rechargeable cycles. * Precharged 15%~20% of capacity by solar energy. Could be used when you get it. * Excellent charge/discharge performance, the batteries will keep a high quality after 3-5 times charge & discharge when used in the first time or long time no used. * Longer life in the high drain devices than normal Alkaline batteries. * Doesn't contain Hg/Cd/Pb, no pollution to the environment. * Great for high power demand devices such as LED candle, flashlight, Portable CD and MP3 players, digital camera, children' toys and so on. * Durable case, convenient for storage and taking on the go. Cautious: 1.Do not connect improperly. 2.Do not dispose of battery in fire as they may explode, battery may also exploded if damaged. 3.Do not expose the battery to liquid or subject to strong mechanical shocks? Smart charging LED indicates when charging is completed and prevents battery from overcharging, of course you can also check the charging process from the LED display. ? Portable size LED charger easy to carry. Convenience and easy to recharge your battery by laptop computer,car charger, wall charger or power bank etc. ? Ni-MH eco-friendly cell, doesn’t contain Hg/Cd/Pb, makes no pollution to the environment, and using DBCK steel shell which can protect the battery against explosion due to overpressure. ? Compatible With: Surface pro 3/4 pen, Digital pen MS(Microsoft)surface pen, Dell digital stylus, Bamboo ink pen, Active stylus pens, Asus stylus, Sonic tooth scaler, Video game controllers, Bluetooth headsets, Glucose and blood monitors. ? Battery Type: Rechargeable Ni-Mh Battery; Capacity: 450mAh; Voltage: 1.2V; Premium Grade A cell for longer battery life with no memory effect;.Model Name: AAAA. Reusability: Rechargeable. Voltage: 1.2 Volts. Unit Count: 1 Count. Recommended Uses For Product: Toys, Flashlights. Battery Cell Composition: NiMH. Brand: Tectra. Number of Batteries: 2 AAAA batteries required. Country of Origin: China. Manufacturer: Tectra. Date First Available: April 16, 2021. Best Sellers Rank: #108,955 in Health & Household. Customer Reviews: 4.4 out of 5 stars 60 ratings 4.4 out of 5 stars. Batteries: 2 AAAA batteries required. : B092QYJ4B3. Item Weight: 2.08 ounces. Package Dimensions: 4.76 x 4.02 x 1.06 inches.