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The usual rule of thumb is that you should move to more amps, instead of less. However, if you keep the battery in this should serve as a buffer and it should work OK. The above paragraph is for entertainment value only, and should not be construed as advice; in particular, I disclaim all responsibility for any damage that might result from following it! David A. Ross ross@math.hawaii.edu www.math.hawaii.edu/~ross -----Original Message----- From: Chuck Blaisdell <cblaisd@mail.tdl.com> To: THINKPAD@cs.utk.edu <THINKPAD@cs.utk.edu> Date: Thursday, May 21, 1998 5:49 PM Subject: AC Adapter equivalence?? My ThinkPad 701 C uses an AC Adapter (P/N 04H6136=FRU04h697) which has an output of 16 volts, 1.8a. My new 380ED uses an AC Adapter (P/N 85G6709 = FRU#11J9992)which has an output of 16v, 2.2a The plugs into the computer are exactly the same. The 701C has either an NiCad or NiMh battery; the 380ED has an LiIon. You probably see the question coming: Can I use the 701C adapter on the 380ED, despite the slightly lower amperage? What are the electrical/electronic considerations here? I understand the warranty considerations should I decide to do so. Thanks.