8.0Ah OP4040 for Ryobi 40V Max Lithium Battery OP40601 OP4030 OP4050 OP4015

【REPLACEMENT BATTERY FOR RYOBI 40V】 100% Brand New | Battery Cells:Lithium-ion | Voltage:40V | Capacity:8000mAh | Color:black | Come with LED lighting system on the front that you can know the how much charge you have left. 【REPLACE FOR RYOBI 40V BATTERY PART#】 OP4050A OP4015 OP4026 OP40201 OP40261 OP4030 OP40301 OP4040 OP40401 OP4050 OP40501 OP40601; Built-in Protection against overcharging, over discharge, over current, provides short circuit protection and steady voltage circuit, all of these lengthen battery life.