Other mowers do not have removeable batteries — you'd have to wait for hours to recharge an onboard battery before mowing again.
This Spare Battery works with the CE 5 and is also for use with the DR® Whisper Lite Battery-Powered Mower and the Neuton EM 4.1 & and earlier Mower (pre-2006 models).
If you have any questions, please send us an email or call us toll-free at 1-800-798-2921.