Conas uaireanta bhata (Wh) a thiontú go huaireanta milliamp (mAh).
Tá an lucht leictreach Q (mAh) in uaireanta milliamp (mAh) cothrom le 1000 oiread an fhuinnimh E (Wh) in uaireanta bhata (Wh) arna roinnt ar an voltas V (V) in volta (V):
Q (mAh) = 1000 × E (Wh) / V (V)
Mar sin tá uaireanta milliamp cothrom le 1000 uair bhata-uaire arna roinnt ar volta:
milliamp-hours = 1000 × watt-hours / volts
nó
mAh = 1000 × Wh / V.
Faigh an muirear leictreach in uaireanta milliampa nuair a bhíonn an tomhaltas fuinnimh 3 bhata-uaire agus an voltas 5 volta.
Tá an muirear leictreach Q cothrom le 1000 uair 3 uair bhata, roinnte ar 5 volta:
Q = 1000 × 3Wh / 5V = 600mAh
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