He ʻōnaehana hoʻāʻo i hoʻohui ʻia ʻo PCM, kūpono no ka loiloi ʻana i nā hiʻohiʻona koʻikoʻi a me ka pale o ka PCM i loko o nā pākahi Li-ion laptop.Hoʻohana mua ia no ka hoʻoiho ʻana i nā ʻāpana, calibrating, a me ka hoʻāʻo ʻana i nā hana pale o Texas Instruments 'Gauge Gauge ICs (BQ20Z45, BQ20Z75, BQ28Z610, BQ3050, BQ3055, BQ3060, BQ40320, BQ40Z0Z5, BQ40Z0Z5, BQ40Z0Z5, BQ40Z0Z5, BQ40Z0Z5, BQ40Z0Z5, BQ40Z0Z5, BQ40Z0Z5, BQ40Z55. , BQ27742, a me BQ27741).