Kratax USB Rechargeable AA Batteries, 4Pcs 1.5v 3300mWh Lithium Batteries AA, 2H Fast Full Charged, 1500 Cycles, 4-in-1 USB to Micro USB Charging Cable

4Pcs 3300mWh High Capacity Rechargeable Lithium AA Batteries --The Kratax 1.5v USB Li-Ion AA batteries capacity are real, 3300mWh. Lithium Batteries are rechargeable and reusable. Ideal for security camera, Xbox Controller, insulin pumps, remote controls, portable audio players, toys and so on high current applications 2H Quick Full Charged AA Rechargeable Batteries--With our advanced lithium rechargable technology, full charged 4 batteries in 1.5 - 2 hours, no memory effect. Kratax batteries charge 5x faster than conventional Ni-MH rechargeables. 1.5v Constant Voltage Output --These 1.5V USB rechargeable AA batteries are far superior in voltage retention compared with traditional NiMH rechargeable battery. The voltage of the USB lithium aa batteries is constant 1.5V, from 100% to 0% electric capacity can provide best performance in heavy load discharge, which will not affect your devices work and be harm to devices. Mirco USB Charging Design--Our USB AA rechargeable Lithium batteries have built-in Micro USB port. Power up quickly when you are on the go, at work, home or traveling. Charging times are surprisingly fast. No need extra Lithium battery charger. You can freely to connect 1-4 batteries to any USB power supply, such as AC adapter, power bank, computer or laptop, convenient to charge. BUILT-IN LED CHARGING INDICATOR AND PROTECT IC: Thanks to the advanced Lithium Ion technology, Kratax lithium-ion AA rechargeable batteries will last over 1500 charges. It has the advantages of long-lasting durability and low self-consumption. Built-In Intelligent protection chip, supports multiple safety features, including over-charge, over-discharger, over-heat and short-circuit protection. Note: the batteries will auto shut off if the discharge current higher than 2A because of over-current protection.