Specification Brand : LIMETA BulletPoint1 : Quicker Charging with Versatile Orientation:The R4 AIR, a universal AA AAA battery charger, introduces a unique 6-slot design that offers both vertical and horizontal charging positions. Each of the six slots works independently, enabling simultaneous charging without any time-sharing or sequential charging. The vertical slots provide an impressive charging current of up to 4A, while the horizontal slots offer up to 2A BulletPoint10 : Automatic detection of battery power level and automatic selection of the appropriate voltage and charging mode BulletPoint11 : Automatic selection between 3 charging modes (CC, CV and -dV/dt) BulletPoint12 : Automatic termination upon charging completion BulletPoint13 : Reverse polarity protection and short circuit protection BulletPoint14 : Over-discharged battery activation BulletPoint15 : Overtime charging protection BulletPoint16 : Made from durable, fire retardant PC materials BulletPoint17 : Optimal heat dissipation design BulletPoint18 : Certified by RoHS, CE, FCC and CEC BulletPoint2 : Wide Compatibility for Various Battery Sizes:The R4 AIR battery charger supports the charging of multiple battery types, accommodating a wide range of sizes. You can charge four AA or AAA batteries simultaneously in the horizontal slots, and the vertical slot can accommodate batteries as large as 26700. Supported battery types include AAA, AA, 10440, 10500, 12500, 13500, 14500, 14650, 16650, 17650, 17670, 18650, 18700, 20650, 20700, 21700, 22650, 26650, and 26700 BulletPoint3 : APP Connection and OTA upgrades: Instead of a traditional display, the R4 AIR battery charger seamlessly connects to an intuitive mobile app. By wirelessly connecting the charger with the app, you can enjoy a larger view and smoother touch controls, enhancing your overall charging experience with convenience and style. Additionally, the charger supports Over-The-Air (OTA) wireless upgrades, ensuring you can easily keep it up to date with the latest features and optimizations BulletPoint4 : Convenient USB Type-C Input:Equipped with a USB Type-C input port, the R4 AIR battery charger supports QC/PD fast charging protocols. This means you can easily plug and charge the charger using the adapter at hand. With a maximum input power of 40W, you can even utilize computers and power banks as alternative power sources BulletPoint5 : Clear Indications for Effortless Charging:The R4 AIR battery charger provides clear sound and light indications throughout the charging process. The indicator light signals different states such as standby, charging, and charging completion, while prompt sounds notify you of battery detection, charging completion, and any potential faults BulletPoint6 : Supports the latest firmware: Optimized charging for nickel-metal hydride and lithium-ion batteries! When you update to V2.0 with the Polying app: Nickel-metal hydride (NiMH) batteries: Improved charging efficiency and accuracy. Newly supported 1.5V lithium-ion batteries: Achieves voltage-stabilized charging. Supports both AA and AAA sizes. BulletPoint7 : Capable of charging 4 batteries simultaneously and controlling each slot independently BulletPoint8 : Up to 3000mA charging speed in a single slot BulletPoint9 : Compatible with Li-ion and NiMH/NiCd batteries with automatic detection Color : Smart BMS+RS485+CAN CurrentRating : 3 amps ExternallyAssignedProductIdentifier : 5410853063896 ExternallyAssignedProductIdentifier1 : 0768655919237 ExternallyAssignedProductIdentifier2 : 768655919237 ExternallyAssignedProductIdentifier3 : 804081330052 InputVoltage : 240 volts ItemDisplayDimensions_Height : 118 millimeters ItemDisplayDimensions_Width : 75 millimeters ItemName : LIMETA 6 Bay AA AAA Battery Charger - 18650 Battery Charger - USB Type-C Charger - Fast Charging for AA AAA Li-ion 18650 Rechargeable Batteries - APP Connectivity - Fire Prevention Material ItemPackageDimensions_Height : 13.8 centimeters ItemPackageDimensions_Length : 3.4 centimeters ItemPackageDimensions_Width : 9.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : general-use-battery-chargers Manufacturer : LIMETA Material : Plastic ModelNumber : 52051E40 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 OutputVoltage : 12 volts PackageLevel : unit PartNumber : R4 Air ProductDescription : Product specifications: R4 Air Maximum input power: 40W Number of batteries supported: 1~4 cylindrical batteries Discharge: Not supported!!! Supported battery size: AAA, AA, 10440, 10500, 12500, 13500, 14500, 14650, 16650, 17650, 17670, 18650, 18700, 20650, 20700, 21700, 22650, 26650, 26700 (*The maximum size of the horizontal battery slot is 51mm, and the maximum size of the vertical battery slot is 72mm.) Supported battery type: NiMH, NiZn, Lilon, LiFe, LiHv Operating voltage range: 5~12V (compatible with QC, PD protocol) Charging current range: 0.1~2.0A (horizontal), 0.1~4.0A (vertical) Operating temperature: 0~40℃ Dimensions: 106x73x29mm Weight: 115g Package Contents: 1* LIMETA R4 Air 6-slot Cylindrical Battery Smart Charger 【!!! Note】LIMETA R4 Air battery charger does not support discharge function! If you need more functions, please choose LIMETA R4 EVO! ProductSiteLaunchDate : 2023-06-26T07:37:22.978Z Size : normal SpecificationMet : CE StreetDate : 2022-07-26T00:00:01Z Style : Modern SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 26111704 WarrantyDescription : 1 year Wattage : 18 watts