[DETAIL] Specification 1.Can be installed 6x flat 21700 lithium battery(battery not included),Can be disassembled repeatedly. 2.plug and play, long charging time. 3.LCD digital display, easy for you to monitor the real-time battery bank capacity. 4.Made of premium material, it is wear resistant and durable. 5.Mini portable design, convenience to carry. Light weight design is very easy to carry. Feature Size:166*86*29mm Normal Version Maximum Power: 5V-2.1A PD Version Maximum Power: 5V-3A 9V-2A 12V-1.5A PD-QI Version Maximum Power: 5V-3A 9V-2A 12V-1.5A 3.4V-5.5V-5A, Wireless Charging :10w Precautions 1. The battery cannot be used if its outer skin is damaged. 2. Pointed batteries cannot be used, only flat batteries can be used. 3.the voltage is in line with 3.2V-4.2V 4. The positive and negative poles need to be placed and used correctly. 5. Do not use or store in a high temperature environment. Package included 1x 21700 Power Bank Case(Batteries not included) Note: 1.We don't offer retail package,but we will pack it well before shipped out. 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you buy. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! After-sales About Shipment: 1.We will send the items within 4-5 days once your payment is completed. 2.We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected. About Customs Notice : 1.Please note that buyers are responsible for all additional customs fees, brokerage, fees, duties, and taxes for importation into your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments. 2.The shipping cost does not include any import taxes, and buyers are responsible for customs duties. 3.About customs clearance: For countries that are difficult to pass through customs, such as: Brazil, Chile,Turkey, Argentina, etc. Make sure you have the ability to pass customs. We do not give a refund if the buyer cannot go through customs and Customs deducts the package. 4.If your place is remote ,then need to pay 38usd . About Returns: 1.We do our best to serve our customers the best that we can. 2.We will refund you if you return the items within 15 days of your receipt of the items for any reason. However, the buyer should make sure that the items returned are in their original conditions. If the items are damaged or lost when they are returned, the buyer will be responsible for such damage or loss, and we will not give the buyer a full refund. The buyer should try to file a claim with the logistic company to recover the cost of damage or loss. 3.The buyer will be responsible for the shipping fees to return the items. About Warranty & Maintenance: 1.We offer the 1-month free replacement. Buyers may request for a replacement w [ATTRIBUTES] - Hign-concerned Chemical: None - Package: No - Model Number: 6x21700 Battery Case - Hign-concerned Chemical: None - Package: No - Model Number: 6x21700 Battery Case - Brand Name: YiFanHeRong - Type: Battery Storage Box - Origin: Mainland China - Feature 1: 21700 Power bank DIY case - Feature 2: Detachable Battery Shell Case - Feature 3: can hold 6x21700 battery(Battery not included) - Feature 4: PD Fast Charger Power Bank Case - Feature 5: Dual USB Mobile Phone Charge - Feature 6: 21700 battery Holder Charging Box - Feature 7: 6x21700 Battery Power Bank Case - Feature 8: 6x21700 Power Bank Case - Feature 9: Battery Storage Boxes - Feature 10: 6x21700 Battery Charger Box - Feature 11: LCD Display 6x21700 Battery Case Power Bank Shell