>>49517929Well sort of;
252 Atk Light Ball Pikachu Volt Tackle vs. 0 HP / 0 Def Mew: 229-270 (67.1 - 79.1%) -- guaranteed 2HKO
252 SpA Light Ball Pikachu Thunder vs. 0 HP / 0 SpD Mew: 199-235 (58.3 - 68.9%) -- guaranteed 2HKO
252 Atk Choice Band Raichu Volt Tackle vs. 0 HP / 0 Def Mew: 229-270 (67.1 - 79.1%) -- guaranteed 2HKO
252 SpA Choice Specs Raichu Thunder vs. 0 HP / 0 SpD Mew: 210-247 (61.5 - 72.4%) -- guaranteed 2HKO
252 Atk Life Orb Raichu Volt Tackle vs. 0 HP / 0 Def Mew: 199-235 (58.3 - 68.9%) -- guaranteed 2HKO
252 SpA Life Orb Raichu Thunder vs. 0 HP / 0 SpD Mew: 183-216 (53.6 - 63.3%) -- guaranteed 2HKO
Raichu’s special attacks are stronger with Choice Specs, but Choice Band is about as strong and Life Orb is weaker.
Light Ball will also let you have the freedom of choosing your moves without being limited to your HP amount.