Identify the device and connector
Identify the device and connector. Compare the information published for the exact item and keep the product name or SKU for reference.
$45.99
Free standard US shipping
Contiguous 48 states & DC · 4–7 business days total
30-day returns
Merchant-paid return shipping. Read the policy
Questions about this item? [email protected]
Product brand: CHOETECH
The details
Premium Magnetic Design
Minimalist magnetic design with a slim, compact body and aerospace-grade aluminum alloy construction.
Semi-Solid Battery Technology
Advanced semi-solid battery technology delivers enhanced safety, lighter weight, and longer battery life.
15W Magnetic Wireless Charging
Supports up to 15W magnetic wireless charging and is MagSafe compatible for convenient alignment.
20W PD Fast Charging
USB-C port supports up to 20W PD fast charging for quick and efficient power delivery.
Slim & Portable
Lightweight and ultra-thin design makes it easy to carry and ideal for everyday use and travel.
Specification
Details
Model
B821
Material
ABS + PC
Capacity
5,000mAh / 3.85V / 19.25Wh
USB-C Input
5V⎓3A, 9V⎓2A
USB-C Output
5V⎓3A, 9V⎓2.22A, 12V⎓1.67A (20W)
Wireless Charging
15W Max
Total Output
20W Max
Dimensions
99 × 64.5 × 10 mm
Net Weight
118 g


Know the fit
Minimalist magnetic design with a slim, compact body and aerospace-grade aluminum alloy construction.
Advanced semi-solid battery technology delivers enhanced safety, lighter weight, and longer battery life.
Lightweight and ultra-thin design makes it easy to carry and ideal for everyday use and travel.
Material
Capacity
Dimensions
Net Weight
Choose & use with care
Identify the device and connector. Compare the information published for the exact item and keep the product name or SKU for reference.
Check output and cable rating. Check the selected listing and variant, including the supplied components before ordering.
Match the setup to your use. Use the directions supplied for your selected item. Contact support if an important detail is missing.
Follow the instructions supplied for the exact product. Features, limits and care directions are specific to the selected model.
Order preparation takes 1–3 business days, followed by 3–4 business days in transit: 4–7 business days in total. Standard shipping is free to the contiguous United States and DC, with no minimum order.
Request a return within 30 calendar days after delivery. We pay return shipping. After receipt, inspection and initiation of an approved refund take 5–7 business days.
Before you decide
Identify the device and connector. Read the actual item description, included parts and options. The collection contains different models; a feature stated for one item should not be assumed for every product.
Check output and cable rating. Compare the dimensions and compatibility stated for the selected item with the space or equipment you intend to use. If a required measurement is absent, send the product name or SKU to [email protected] before purchasing.
Available choices are shown on the individual product page. Select the actual option labels before adding a variable product to your cart. Photos and specifications should be read together with that choice; availability is specific to the selected configuration.
Match the setup to your use. Follow the instructions supplied for the exact model. Do not assume that all items have the same materials, installation method, care directions or intended use.