The best replacement for lithium is alkaline.

The best alternatives to lithium are rated as following:
★★★★★  alkaline
★★★★★  nimh
★★★★★  depakote
★★★★  lamictal
★★★★  alkaline batteries
★★★★  nicad
★★  seroquel
★★  lithium ion
★  valproate
★  abilify
★  silicone grease
★  latuda
★  nimh batteries
★  lamotrigine
★  sodium
★  alkaline aa batteries
★  silver oxide
★  jive
  alkaline battery
  zyprexa
  ni-cad
  nickel batteries
  li-ion
  lead acid battery
  lithium ion battery
  lithium carbonate
  risperidone
  risperdal
  rechargeable batteries
  nicad battery
  regular batteries
  lead acid
  lithobid
  quetiapine
  molybdenum grease
  silver oxide batteries
  nickel cadmium
  divalproex
  librium
  carbamazepine
  nicd
  ni mh
  geodon

Your alternative for lithium is not listed? Suggest!
Speaking about lithium, one probably shouldn't forget about lamictal.

Other search terms related to lithium and their ratings are:
★★★★★ lamictal
★★ abilify
★ seroquel
★ nsaids
antipsychotic
bipolar
diuretics
You have in mind a companion for lithium and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of lithium in all years. Click on graph for more.
lithium
alkaline
nimh