The battery charger is an essential part of your battery and cordless tool. But be aware that there are different types: • Slow: This is the least expensive type of charger and usually works with nickel-based batteries. It can take up to 16 hours to recharge the battery. • Regular: Regular chargers provide a higher voltage to recharge the battery faster. They can usually recharge a battery in 3 to 6 hours. • Fast: If you use your cordless tool a lot, you need a fast charger. It's the most expensive, but it provides the highest voltage and can recharge the battery in just one hour. To prevent overcharging or excessive heat build-up, Ronix uses Lithium-ion batteries that meet the strictest safety standards. All Ronix batteries and chargers are equipped with safety mechanisms to prevent overcharging and heat build-up. The battery and the charging station continue to exchange data; when the Lithium-ion battery is fully charged, the Ronix 8693 fast charger automatically cuts off the power to stop the charging process. The built-in electrical safeguards of the Ronix 8693 fast charger prevent overheating by automatically stopping the operation. Similarly, the Ronix 8693V fast charger is manufactured with all the features and capabilities listed, the only difference between these two devices is their voltage and frequency. Features Suitable for rechargeable Li-ion batteries Can be combined with Power devices Can charg 4.0 Ah battery in 1 hour Can charg 2.0 Ah battery in 45 minutes Fast charger 220V-240V and 50-60 Hz Fast charging system gives you the full charge in minimum time LED charging status lights let you know exactly when to get back to work Built-in safety features designed to prevent your battery from overcharging, over current, or overheating during use Specification Model: 8693 Input voltage: 200-240VAC Frequency: 50-60Hz Output Voltage: 22V Output current: 4000mA Body Material: PC+ABS Dimensions: 138*108*73mm Plug Length: 1.8m Weight: 0.39Kg packaging: Color box