3.High Capacity:The Brand New upgraded Battery .More run-time, more powerful.has a clear difference from the 4.0ah battery . improved the capacity & the performance.Compatible with Porter Cable Charger.
Top A grade Lithium battery cells,can be charged freely without memory effect,built-in integrated microchip prevents overcharging and other malfunction to prolong battery life.
Don't worry about any quality problems, our products have passed strict quality inspection, please rest assured to buy, if you have any questions, please contact us