2PCS 2S 4A Type-C USB Lithium Li-ion Battery Charging Protection Board Boost Charging Module DC 8.4V 12.6V 16.8V

The 2PCS Multi-Cell 2S 3S 4S Type-C Step-up Module emerges as a compact and convenient solution for charging 18650 lithium batteries, particularly for users seeking a lightweight alternative to traditional chargers. Many customers appreciate its small form factor, which enables easy portability without compromising charging functionality. One user specifically highlighted its compatibility with a 3S1P battery, affirming that it successfully charged their battery and allowed for the use of an everyday USB charger when away from home. The unit is equipped with indicators for power and charging status, making it user-friendly and easy to monitor the charging process. The charger is designed for a gentle charging approach, ensuring that the battery is not stressed during the process, which is a significant plus for battery longevity. However, the product does have notable limitations. Users have pointed out that it cannot utilize a USB-C power source properly due to the absence of a 5V PD trigger, necessitating the use of a USB-A to USB-C cable instead. Some have experienced functionality issues, indicating instances of the module not turning on or charges incorrectly, with reports of charging beyond the safe voltage thresholds, raising concerns about safe usage. Additionally, there are complaints regarding its quality and performance, particularly in connection to the number of cells it can accommodate for charging. In summary, while the 2PCS Multi-Cell Step-up Module offers impressive portability and convenient functionality for specific applications, its performance inConsistencies and design limitations, such as compatibility with USB-C devices, may deter some potential buyers. **