Cycling Safety Battery Pack Case House Cover Storage Bag for Bicycle Tail Light Headlight Lamp Features: 1. 5V USB output interface can supply various 5V devices for charging (mobile phone, tablet, for ipad, LED light, digital camera). 2. 8.4V 5.5mmDC round head output plug can supply 8.4V bicycle light. 3. The customer chooses the battery of his own, the capacity is customized by you, which is convenient for the customer's experience. 4. Large capacity provides long-term endurance. 5. When charging the battery in the mobile power box, you only need to plug in the 8.4V charger with the DC connector. 6. It can be fixed on the vehicle tube with the matching Velcro straps, which is convenient for powering the lights or mobile phones. 7. Three grid indicator. Insert the battery according to the positive and negative indications. 8. The battery box is squared and has a triangle shape. The upper one is the battery one, the positive electrode is facing upwards; the lower left side is the battery 2, the negative electrode is facing upward; the lower right side is the battery 3, and the positive electrode is facing upward. 9. If you need to use 2 batteries in series, the battery 1 position is empty, just place battery 2 and battery 3. 10. If you need to use three batteries in series, you need to place battery 1, battery 2 and battery 3 according to the polarity of the battery. Don't reverse. 11. This battery box does not support 2 batteries. When charging, you need to put the battery in the box on the battery to charge. Specifications: Material: ABS Input: 8.4V Output 1: 8.4V (DC) Output 2: 5V-Max2100ma DC interface size: 5.5x2.1mm/0.21*0.08'' Applicable battery: 3x32650/3x26650 (with sleeve) 3x18650 (requires sleeve but NOT Included) Size: 110x80x80mm/4.33*3.14*3.14'' Weight: 245g Note: Please allow 1-3cm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Packages: 1 x Battery Pack Case 1.All items will be double checked and well packed before sending. Items will be dispatched within 3-7 business days after customers pay the order. Because we have thousands of order everydays. We need to arrange shipment one order by one order. We will send the products to you ASAP. 2.We only ship to Confirmed order address.Your order address MUST MATCH your shipping address. 3.It usually takes about 20-60 business days for delivering the parcel to the destination(for remote areas,it may take a littlelong).Meanwhile,you can choose DHL Express to shorten the shipping time if you need the order urgently. 4.If you do not receive the order within 60 business days,please feel free to contact us before leaving negative Feedback,we will do our best to help you to resolve the issue. 1.If you are not satisfied with the item when you receive it,please return it return it within 10 days for a replacement or money back.Please contact us before you return it. 2.All returned items must be in the original packaging and you must provide us with the shipping tracking number and specific reason for the return. 3.We will refund you full money,upone receipt of the item in its original condition and packaging with all components and accessories include. 4.If the item is damaged during transport or cannot be used normally,please contact us the real photos of the items and we will refund you money. We maintain high standards of excellence and strive for 100% customer satisfaction!Your satisfaction is our first priority! If you receive the order and it is in good condition,we would be grateful if you would leave 5-Stars Positive Feedback for the transaction. Otherwise,we would be grateful if you would contact us before leaving 1-Star to 3-Stars Feedback,we will take pleasure to provide a satisfactory solution. 
