I have a Bosch GHO40-82C 110 volt for the heavy stuff, but where I'm just snagging or planing-in a couple of doors the Makita DKP180 cordless is a nice piece of kit.
The DKP180 won't do everything. Battery life isn't stellar, even on 5Ah batteries, but 3Ah batteries will give me 2 to 3 door installations so I'm not too unhappy with that. I'd say the planer is slightly tail-heavy but overall still reasonably well balanced and it is very, very similar to the corded KP0810 model (so if you've used one of those the DKP will be familiar). Fairly big against, say, the Ryobi cordless planer - but it does have an 82mm cut width. Maximum depth of cut is only 2mm, but you can't expect more out of a cordless I'd say. I normally make my cuts at 0.5 to 1mm in any case. Cutting speed is a bit on the low side against a corded tool, but the added mobility cancels out the slower cutting IMHO. Side fence is a bent tin affair and adequate, but no tilting fence option, but for a trimming planer would you need one? The blades are the cheapo double-sided ones like the Bosch planers. I buy them in tens from Woodford in Stockport (who also do HSS as well as carbides). Comes supplied with a tool setting jig for the blades - changing blades can be a little fiddly - but again the plus is that you can change to resharpenble TCT or HSS blades if you like. Dust extraction throws out to the right side only (not left/right as on my Bosch corded), just like it's corded cousin. The dust bag (part #122793-0) is a £15 extra. Worthwhile getting a Makpac 3 carrying case and blow-moulded insert to keep it in good nick - these Makpac boxes are compatible with Festool/Tanos Systainers, Metabo Metabox/Metaloc, etc If you have any further questions, please ask
So basically, if you intend doing only light trimming in then I feel a Makita DKP180 is well worth considering. If, on the other hand, you need to go in for extended planing sessions where you reduce a 7 x 2in spar to a 3mm thick veneer, I'd suggest you need a corded tool (and possibly your bumps feeling). The choice is yours