Replacement Batteries - DR® Trimmer
…machine doesn't turn over quickly or if the battery no longer takes a charge, it may be time for a new battery. Installing a new one will boost the starting power of your DR®, especially on cold mornings and after it's been sitting awhile. DR® batteries are sealed and completely maintenance-free…

NEUTON® Battery Charger
…into the battery to charge it back to life. Draws only about 10¢ worth of electricity and takes about 12 hours to charge one battery. (Plugs into any 110-volt household outlet.) Charger is included with NEUTON® Mower and Trimmer. Charger can also be used with DR® WhisperLite battery.