Simple Plus Replacement Battery for Ryobi 40V 6Ah

In the Box:

• (1) Simple Plus+ 40V 6.0Ah OP4040 Battery Replacement for Ryobi Battery Collection Cordless Power Tools OP4040 OP4060 OP4030 OP4050 OP4026 

Precautions for use

• Do not expose the battery to the sun or throw it in a fire.
• Do not reverse the positive and negative polarities when charging the battery.
• Do not disassemble or deform the battery.
• Do not immerse the battery in water.
• The battery can't be charged continuously for more than 24H.
• The battery is stored in a ventilated and dry environment.
• When not in use for a long time, please keep the battery fully charged, at least once every six months. 
•     Prevent the Memory Effect - Keep the battery healthy by fully charging and then fully discharging it at least once every two to three weeks.
•     Exercise the Battery - Do not leave the battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks.
•     Battery storage - If you don't plan on using the battery for a month or more,store it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-ion batteries will self-discharge during storage; remember to recharge the batteries before use.
•     Charge battery - Remove the battery pack from the charger once it is fully charged and ready for use.