Compatible with Ryobi 40 volt battery lithium ion OP40602 OP40601 OP4050A OP4050 OP4040 OP4030 OP4026 OP4015 OP40201 OP40261 OP40301 OP40401 OP40501
4 LED light to show the remaining capacity status and timely charging,made with top A grade lithium battery cell, no memory effect, can be charged or discharged as needed without losing capacity
Diagnostics with LED indicator shows battery charging status; Durable and cooling system has the function of stable heat dissipation; We provide 30 days free to replace or refund service. If there have any problem during using, please contact us: in "YOUR ORDER" options click the "contact seller"