Advanced Charging Technology: Experience the power of PD140W bidirectional fast charging, designed to efficiently charge and protect 2S-6S lithium, Li-ion, and Lifepo4 batteries. This mobile power module ensures your devices are powered up quickly and safely Versatile Battery Compatibility: Compatible with a wide range of battery types, this module is perfect for various applications, including DIY power , portable chargers, and electronic projects Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: Green Material: PCB Package Contents: 2 x Bidirectional Fast Charging Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.