Custodia Power Bank per Oneplus 9 Pro Caricabatteria Custodia per Oneplus 9/9R
The most important reason is the conversion rate. Battery capacity: 6800mAh. Rated capacity: 4000-5000mAh. So the 5,000mAh power bank can really be used by us only about 3000-4000mAh. Why exist this difference?.