The most important reason is the conversion rate. Battery capacity: 6800mAh, the Rated capacity is 3900-4200mAh. Working temperature: 0-45 temperature degree. So the 5,000mAh power bank can really be used by us only about 3000-4000mAh.
eBay
Battery Case For iPhone 12 13 14 15 Pro Max 14 Plus Power Case For iPhone 12 13 Mini 11 Extenal Battery charging Case PowerBank
Aliexpress UK
This product is designed as protective backup battery case, which can protect your cell phone well. Storage / transport temperature: -20 ° C ± 50 ° C. Attractive and exquisite, easy to carry.
eBay
NOHON iPhone Battery For Apple iPhone 15 14 13 Pro Plus 12 Mini 11 High Capacity Batteries For X XS 8 7 6S SE 5S Battery Repair
Aliexpress UK
Battery Capacity: 6800mAh. Storage/Transport Temperature: -20°C±50°C.
eBay
Power bank Case For iPhone 12 13 Pro Max Battery Charger Cases For iPhone 12 13 Mini Extenal Battery PowerBank charging Cove
Aliexpress UK
Battery capacity: 6800mAh. Storage/transport temperature: -20 ° C ± 50 ° C.
eBay
For iPhone 8 7 6S 6 Plus SE 2020 Battery Charger Cases Silicone shockproof External Backup Power Bank Case For iphone SE3 8 7 6
Aliexpress UK
This product is designed as protective backup battery case, which can protect your cell phone well. Storage / transport temperature: -20 ° C ± 50 ° C. Attractive and exquisite, easy to carry.
eBay
E-ink Screen Image Transmission NFC For 16 Pro Max Iphone Case 4 Color For Iphone 13 14 15 16 17 Pro Max DIY Cases Battery Free
Aliexpress UK
eBay
Battery Charger Case For iPhone 12 Pro Max Power Case Liquid silicone shockproof Extenal PowerBank Cove For iPhone 12 Mini Capa
Aliexpress UK
The most important reason is the conversion rate. This product is designed as protective backup battery case, which can protect your cell phone well. Why exist this difference?. So the 5,000mAh power bank can really be used by us only about 3000-4000mAh.
eBay
NFC 16promax iphone case E-ink screen four colors Image Transmission For Iphone 15 14 13 Pro Max DIY Cases Battery Free
Aliexpress UK
The most important reason is the conversion rate. This product is designed as protective backup battery case, which can protect your cell phone well. Why exist this difference?. So the 5,000mAh power bank can really be used by us only about 3000-4000mAh.
eBay
Battery Charger Case For iPhone 13 Pro Max 13 Mini Charging Case For iPhone 12 Pro Max 12 Mini Portable Power Bank Charger Cover
Aliexpress UK