『Developed for Original Charger&Tools』Fully Compatible with Ryobi 40v lithium battery charger OP4026, OP401, OP404, 140181001, ZROP401, 140199003, etc.
『No Memory Effect』Without loss of capacity no matter the battery is charged or discharged. Ni-MH and Li-Ion batteries do not have a memory effect. So it will not damage the battery, you don't need to fully charge it or fully discharge it.
『Guarantee』30 days money back and 12-month warranty guarantee, Any problem, Please feel free to contact us. Contact us: any question click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller".