BatPower 4.0Ah 18V Battery Replacement Compatible with Ryobi 18 Volt Cordless Tools, High Performance Compact Battery Pack for 18V Drills, Impact

**** The compatible batteries for the Ryobi 18-volt system have garnered a mixed reception among users. Many customers appreciate the batteries’ build quality, noting that they do not feel cheap or flimsy. The mechanical battery gauge is a standout feature, providing a more tactile and reliable way to check the battery status compared to membrane-style designs. They fit perfectly into Ryobi tools, such as leaf blowers and fans, without any wiggle and operate without issues, mirroring the performance of OEM batteries. However, a significant concern has been raised regarding the actual capacity of the batteries. While marketed as 4Ah, several users conducted tests revealing that the batteries output closer to 2.9Ah or even 2Ah. This discrepancy has led to disappointment, especially when comparing run times and performance against the OEM batteries, which Consistently last longer. Some users also observed these compatible batteries warming up during use, which is noted as a concern compared to the cooler operation of genuine Ryobi batteries. Despite these drawbacks, users still express satisfaction with the batteries as a good value alternative for those looking to expand their Ryobi battery collection. The general sentiment leans toward appreciation of the product's quality and compatibility, tempered with caution regarding its capacity claims. **