Power bank case with up to 8x 21700 battery cells, preinstalled. 
As per eBay policy, we cannot sell batteries seperately. eBay policy states, "21700 batteries cannot be listed individually, as they are not intended for sale to consumers and can be potentially hazardous to consumers when handled, transported, stored or charged. 21700 batteries must be pre-installed"

Power bank case specifications
Features:
 
New fast dual output input intelligent control system, can acommodate 1, 2, 3, 4 5, 6, 7 or 8 21700 or 18650 battery cells.
LCD digital display

Preinstalled Battery cell type: 21700 battery

Features:

1. With LED lighting

2. Charge power display

3. Wide range of applications

4. Simple and convenient to use

5. Using high-quality materials, durable



Specification:

Support for VOOC fast charge for Apple 20W,for Huawei 22.5W, for Samsung fast charge, for Xiaomi OPPO vivo fast charge

Super fast charging version 22.5W+15W wireless charging

Super fast charging version 22.5W

Standard version 10W+5W


Current up to 5A with up to 96% efficiency

Support 4.2/4.35/4.4/4.5V battery type

Support JEITA specification

Support temperature loop control

Sync boost

Output power up to 22.5W with up to 95% efficiency

Automatic load detection / light load detection

Support low current mode

Output fast charging protocol Support PPS/PD3.0/PD2.0

Support QC4+/QC4/QC3.0/QC2.0

Support AFC Support FCP

SCP support

Support PE2.0/PE1.1

SFCP support

Support low voltage direct charging

Enter the fast charging protocol

Support PD3.0/PD2.0

AFC support