Video:When you test the voltage of this battery, if the positive pole touch the negative pole, the multimeter shows 3V-4V. You need to turn OFF the switch and try again.Description:DC12V 3000mAh Super Rechargeable Portable Lithium Battery EU Plug This Rechargeable battery is a 12V 3000mah Li-ion Battery and it is specially designed for powering the system device which use 12V DC power. You can use this battery to power our powerful wireless transmitter, CCTV camera and so on. Suitable for your need. Super storage capacity. With working indicator. Specially designed for the system devices which use 12V power. Built-in ON/OFF switch to save power usage. Large mAh value means long battery life. Over-charge/discharge protection.Battery Charging Method: Open the battery switch to the "ON" at the red light on the charger indicates when charging starts (if battery is full charge,the power green light will remain unchanged); charging time is generally more than 8 hours; until the plug's red light becomes green, the battery is fully charged.Specification: Size:114x57x20mm(battery)Color: BlueCapacity: 3000mAh.Battery type: Rechargeable Li-on battery.Input voltage: 12.6VOutput voltage: 10.8-12.6 DCOutput current:1-2ALine interface specification 5.5 * 2.1 MMProduct life: circulation charge and discharge more than 500 times Note: Please trun on the switch when charge for this item.And if you want to measure the voltage,suggest using pointer multimeter.Because digital measure table easily jump table.The real capacity is 3000mAh while shows 6800mAh on the product.Package included: 1X 12V 3000mAh Li-ion Battery1X EU plug
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.