Product details:

The Oregon B662 PowerNow outdoor power equipment battery delivers enough power to allow you to complete small yard work tasks. Featuring 40 volt lithium-ion cell technology, this battery runs for a long time and can be recharged up to 1,000 times with Oregons standard or rapid chargers. Even after several months in storage, the battery still has a charge. This battery powers all of the tools in the Oregons 40V Max line of powerful, emissions-free outdoor power equipment for all your yard care needs.