Staff recharg (3.5e Equipment)
From D&D Wiki
an item with this enchantment works as a normal staff for the purpose of casting spells except that it hold's a number of charges equal to 10*it's enchantment bonus (+1,+2,+3..+5) to a maximum of +5. a weapon with this enchantment can also gain one charge for as many spell levels put into it as it's highest level spell.
this enchantment may be put on multiple times allowing for an extra +5.
Strong evocation; CL 15; Craft Magic Arms and Armor, Craft Staff; Price +3 bonus
for extra enchantments it requires Strong evocation; CL +10; Craft epic Magic Arms and Armor, Craft epic Staff; Price +2 bonus