My take:

:) dealing damage recharges secondary items (5 dmg - 1%)
:( -33% secondary recharge rate

Now you might be wondering, what if you don't equip rechargeable items? Well, in that case the upside doesn't matter, but the downside also doesn't matter, leaving you with a straight up stock reskin. (Genius game design, am I right?)

Before commenting, remember the rules of good stat ideas:
- no more than 5 stats
- design the stats around the weapon's look and name
- try to imagine a playstyle where the weapon could be used
- no random chances
- no "uM acTuAlly tHiS shOuLd bE jUsT a rESkiN" (my stat idea doesn't count, because it's only a reskin if you don't equip the drinks)