12V Rechargeable UPS Power Bank Case for 3x18650 Batteries DIY Kit
$ 3.47
Description
Visit store Items for sale About us Product Details Features: 1. Input voltage = equipment operating voltage = battery charging voltage = battery full voltage 2.Utilizing the working voltage on the lithium battery 0 differential pressure complete full, very suitable for electronic professionals 3. Ordinary switching power supply can be charged, comes with a constant current circuit, does not require a special charger for lithium batteries 4.0 switching time, seamless switching, this product is the true meaning of the uninterruptible UPS 5. Comes with charging status display, simple and intuitive, very suitable for product matching 6. High efficiency = (11.1V-0.3V)/11.1V*100%=97.3%; the higher the voltage of the battery series discharge efficiency will be infinitely close to 100%! Parameter: Charging red light, full off Capacity: Battery capacity: 3*3.7V*3400mah=37 watt-hours (batteries user-provided) Rated output power: 12V2A=24W Whether voltage stabilization: not voltage stabilization, 3 batteries in series direct output, full 12.6V, low voltage protection 8V, voltage increases or decreases with the amount of electricity Application type: for unattended, need to automatically charge and discharge management scenarios, fiber optic cats, routers, monitoring, fish tank pumps, etc. Battery type: 3.7V flat 18650 battery Charger type: built-in 0.4A current limiting module, can use 12-13V power supply charging, 12.7V is recommended. Charging power: 12V0.4A=4.8W; input power>=(load power+5W) Protection circuit parameters: overcharge protection 4.25V * 3; low voltage protection 2.75V * 3; overcurrent detection voltage 0.1V +-0.025V Using temperature range: -20~60℃ DC interface standard: DC5.5*2.1mm (inside positive and outside negative) Warm tips: UPS function protection board do not do short-circuit protection test, may break through the diode. When the diode is broken down only after the short-circuit protection will be generated Package include: UPS battery box * 1 （Not included Battery） Wire *1 Payment Method Shipping Policy Returns & Refund Policy Feedback Payment Method EBAY Managed Payment. But we only Accept your Ebay Address , please Make sure it's 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping Policy 1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand. 2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders. 3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund. Returns & Refund Policy All package need to wait 30 days (US only n eed 7-10 days) , Please take care it.Less than 30 days,we can't take a refund . If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item. Feedback We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
Works just as described.