0 f/ T0 b( h0 Q* d4 K# HI used both. & t6 Z- n' d. p* J P8 P3 \ / B: @6 f6 c1 w2 }' x% I用電 is best without wire (I cut wire broken twice, luckily not got shocks) + W/ h( H8 \: d) C* {: f+ r( G
' R+ O9 y3 J6 T; L/ M+ jThe other type, battery needs to be charged. ; N. \: [) o8 h2 ^" ?0 l+ y3 N# G! P- ~/ e$ _
Also, it is not powerful enough to put other tools on.4 _. F# s6 L! e7 t- J
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用gas needs good maintenance, otherwise, it is hard to get it started.