This esp32 wifi + bluetooth with 18650 battery sharging system development tool provides a perfect solution for the situation you often encountered: When you do some ESP32 projects you must hate to add a power bank to provide the power.
ESP32 is highly-integrated with in-built antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules. ESP32 adds priceless functionality and versatility to your applications with minimal Printed Circuit Board (PCB) area requirements.
- A brand 3000mAH 18650 battery could make ESP32run 17 hours or more.
- 18650 charging system integrated.indicate LED inside (Green means full& Red means charging)
- Charging and working could be at the same time.with wwitch to control the power.
- 1 extra LED could be programmed (Connected with GPIO16[D0]) 0.5A charging current, Max 1A output;
- Over charge protection
- Over discharge protection
- 1 x ESP32 with Battery Holder Module
- 2 x 20 Pin headers
- (Note: the 18650 battery is not included)
Please refer to: www.raspberrypiwiki.com/index.php/WEMOS_ESP32_Board_with_OLED
- All orders will be shipped within 48 hours on receipt of cleared payment on Woking Days. (From Moday to Friday in 24-48 hours as usual, Except for Chinese legal holidays or big holidays or Weekend)
- If you need faster shipment, please choose DHL or EMS or FedEx IP etc(Shipping fare paid by yourself). Or we will deliver via the default method of standard shipping.(Usually by China Post Registered Air Mail with tracking number if the order ammount is more than $9.99); Please contact us to calculate the shipping cost by faster shipping way like DHL, EMS or FedEx...
- Please make sure that your shipping address is 100% correct with full name and a right phone number included, the phone number is very important in the shipping address.
- We ship items to worldwide with delivery time guarantee. Please understand the unexpected delay during the international shipping.
- We usually declare a lower value for all orders to avoid the cutoms tax for our customers, but the buyer still need to do customs clearance themselves if it's a requirement by the destination country.
- If you didn't receive your product or it is significantly different to the description, we guarantee to resend new or refund your payment. But due to the shipping delays of international shipment, we hope to get your understanding and wait for some more time.
- We provide resend or refund or store coupons for the item you received was substantially different from the item represented on the product detail page.
- For the item you received was damaged or defective,please take photos of original package with shipping labels, package weight, package items details as proof to send us to find solutions,thank you!
- It is better to reject the package if you find it obviously broken and ask for compensation from your local post office.
- We accept any unused item in its original package as return within 7 days of delivery. Buyers must pay for the return shipping fee, provide the tracking number, specific reason for the return.
- If buyer's reason lead to the return package due to fail delivery in destination country, the buyers need to pay for resend shipping fee and we deduct shipping fee before issue refund.
- We will refund to buyer after we receive the return packages in its original condition package with no items missing. Or buyers could choose to have a replacement.
- We accept to refund or resend new for our customers as product quality problem. But for the product value above $30, buyer must return the product to get a refund, the return shipping cost should be negotitated between the buyer and seller as this is a international shipping.
Geekworm products on the website all support a wholesale price if you need large quantities. You can send us your enquiry by email: firstname.lastname@example.org about the item you need, item quantities, destination country of shipment. Then we will send you our lowest price according to item quantities, and the shipping cost also will be calculated according to the quantities you need.
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