Enhance your battery charging efficiency with this advanced Battery Charger Module, designed for 2-cell (2S) batteries with a charging voltage of 8.4V. Crafted from durable plastic material, this charger module supports input voltages ranging from DC 3V to 6V, with a recommended input of DC 3.7V to 5V, ensuring versatile compatibility with various power sources. It features a high switching frequency of up to 1MHz, effectively compensating for voltage loss in quasi-constant voltage (quasi-CV) mode for stable and efficient charging performance. Key Features: · High Switching Frequency up to 1MHz: Ensures efficient voltage compensation and smooth charging in quasi-CV mode, optimizing battery life and performance. · Automatic Battery Resistance Compensation: The module automatically adjusts for internal and tracking resistance of the battery, providing accurate and safe charging. · Comprehensive Protection Functions: Equipped with protection against battery voltage dropping below input voltage and short circuit protection, enhancing safety during charging. · Strong Input Power Adaptability: Effectively limits driving capacity and provides over-voltage protection to prevent damage to the battery and charger. · Suitable Input Voltage Range: Supports DC 3V to 6V input, with DC 3.7V to 5V recommended for optimal charging efficiency and stability. · Designed for 2-Cell Batteries (2S): Specifically tailored for charging 2S battery packs with a charging voltage of 8.4V and charging current of 2.2A (version 4A available). · Lightweight and Compact: Made with durable plastic, this charger module is easy to integrate into various battery-powered projects and devices. Specifications: · Material: Plastic · Battery Configuration: 2 Battery (2S) · Version: 8.4V · Input Voltage: DC 3V–6V (Recommended DC 3.7V–5V) · Input Current: 4A (version 4A) · Charging Voltage: 8.4V · Charging Current: 2.2A (version 4A) Package Includes: · 1 x Battery Charger Module This Battery Charger Module offers reliable, efficient, and safe charging for 2S battery packs, making it an ideal choice for hobbyists and professionals seeking a high-performance charging solution for their battery-powered devices.