The type-2 of this weapon had a max power setting of 16 & could be set to heat, disrupt or stun
The Type-1 Phaser makes use of a rechargeable battery; 
replacement power... [DOC] [TLE] Weapons in Star Trek - Wikipedia [PAR] The Star Trek fictional universe contains a variety of weapons, ranging from 
missiles (the ... For example, in Star Trek, a hand phaser can be set to "stun" or "
kill".