Kei tā tātau ngā tari pūkaha kapeke ka whakauru i te wehi me te paiwhakahaere rangapū mō ngā whakamahi katoa. E ai ki ngā paiwhakahaere lithium-ion, he wā e utu ana i te wā e mahi ai, me te whakapae kaiwhakaatu ki te whakakapi haere. Mai i ngā tāpoki iti ki ngā tāpoki nui rawa, kei ngā tari tēnā ngā putiputi kapeke hei whakaiti i te whakawehenga me te whakapai i te momori. Kei te whakangungu i ngā pūtake me te whakapai i te momori i ngā tāpoki nei, me ngā kawe kawe paiwhakahaere me ngā hoahoa paku hei tiaki i te mate i roto i ngā wā e mahi ana.