Sealed Lead Acid AKA SLA or Gel Cell •Charge the battery after every use •Do not store batteries in a discharge state •Store the batteries disconnected, in a cool dry place. charge the battery every 6-8 weeks while in storage •Depending on usage, battery life is three to five years for 300 – 500 charge / discharge cycles •Check the batteries terminal and battery deformation. A deformed battery or corrosion on the terminals is subject to failure. •If runtime become short, have the battery tested Hope this helps someone I found it enlightening
