Low tech encompasses equipment that is often low cost and does not include batteries or requires charging.
lˈoʊ tˈɛk ɛŋkˈʌmpəsᵻz ɪkwˈɪpmənt ðæt ɪz ˈɔfən lˈoʊ kˈɔst ænd dʌznˌɑːt ɪŋklˈuːd bˈæɾɚɹiz ɔːɹ ɹᵻkwˈaɪɚz tʃˈɑːɹdʒɪŋ.