After another subscriber privately mailed me warning me not to use a charger with a too low supply, I took it upon myself to splice the original AC-4U charger back together. It's ugly, but it works. ;-) On 1/30/06, Tom Tobin <korpios at gmail.com> wrote: > After my cat destroyed my 770 charger (the AC-4U), I scrambled to find > a compatible one; I finally managed to find an AC-3U, which seems > compatible based on the Nokia accessories page (i.e., the same models > listed for the AC-4U are listed for the AC-3U). Now, my grasp of > electronics isn't what it could be, so I'm not sure if I should be > worried or not: while the two chargers share the same DC output > voltage (5V), they have different DC output amperages (890mA for the > 4U, and 350mA for the 3U I bought to replace it). Is it safe to use > my new charger? >