NITECORE UI1 SINGLE USB CHARGER
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PRODUCT DESCRIPTION
Nitecore UI1 Single-Slot USB Battery Charger for Li-ion, IMR Batteries
The Nitecore UI1 is a highly portable, lightweight single-slot battery charger engineered for outdoor enthusiasts, travelers, and everyday users. Despite its compact footprint, the UI1 features an elongated charging slot that easily accommodates large-sized cells like protected 20700 and 21700 batteries. Powered entirely via USB, it automatically adopts the optimal charging mode—Constant Current (CC) or Constant Voltage (CV)—to maximize your battery health and cycle life.
Features
Input: DC 5V/1A 5W
Output:
- Voltage: 4.2V ±1%
- Current: 800mA (MAX)
Compatible chemistries:
- Li-ion, IMR: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650.
- Intelligent and active charging technology (CC and CV optimization)
- Low current activation for deeply discharged batteries under 2.9V
- Three blue power indicators for real-time battery levels
- Universal USB power input (power banks, solar panels, adapters)
- Reverse polarity protection & short circuit prevention
- Intelligent thermal regulation to prevent overheating
- PC fire retardant materials
- Ultra-lightweight and travel-friendly design
Note: The UI1 is designed exclusively for 3.6V/3.7V Li-ion and IMR batteries. It is not compatible with Ni-MH or Ni-Cd batteries (AA, AAA, C, D).
SHIPPING INFO
Shipping Policy
Last updated: February June 18, 2026
Gas City Vapes offers same-day shipping on all domestic orders placed before 1:00 PM MST, excluding statutory holidays and weekends. If no shipping options appear during checkout, please contact us directly so we can arrange an alternative for your order.
Proof of Age & Adult Signature
An adult signature is required on every single package — no exceptions. This applies to all domestic and international shipments. For full details, see our Age Policy.
A government-issued photo ID confirming age of majority is required at the time of delivery. Packages cannot be left unattended. For more information, see our Age Policy.
Free Shipping Threshold
Orders of $50 or more before taxes qualify for free expedited shipping on all domestic Canadian orders. Gas City Vapes typically uses Canada Post Expedited for these shipments but may substitute an alternative courier if a faster option is available at no additional cost.
Shipping in Canada
In-stock orders placed before 1:00 PM MST are dispatched the same business day. The estimated delivery times below apply to the Free Shipping option via Canada Post Expedited.
- British Columbia — Approx. 3 Business Days
- Alberta — Approx. 3 Business Days (Calgary: ~1 Day, Edmonton: ~2 Days)
- Saskatchewan — Approx. 4 Business Days (Saskatoon & Regina: ~3 Days)
- Manitoba — Approx. 4 Business Days
- Ontario — Approx. 4 Business Days
- Quebec — No Shipping Available
- New Brunswick — No Shipping Available
- Nova Scotia — Approx. 8 Business Days
- Prince Edward Island — No Shipping Available
- Newfoundland & Labrador — Approx. 8 Business Days
- Yukon — Approx. 13 Business Days
- Nunavut — No Shipping Available
- Northwest Territories — No Shipping Available
All transit times are estimates. Delivery may be extended for remote locations or due to carrier weather delays. Upgrading to Canada Post Xpresspost typically reduces transit time by approximately half.
Questions About Your Order?
Our team can assist with shipping arrangements, tracking, and order inquiries.
Contact UsBrowse ProductsUnited States Shipping
Important Notice for U.S. Customers
Effective August 29, 2025, the United States eliminated the duty-free de minimis exemption for all packages originating from Canada, pursuant to updated U.S. Customs and Border Protection regulations. As a result, direct online ordering for U.S. shipments has been temporarily suspended while we implement a compliant checkout process that collects applicable duties and taxes at the time of purchase.
Placing a U.S. Order Now
If you require an order and are not seeing shipping options at checkout, please contact us directly by phone or email. We will process your request manually and advise on any applicable duties or import requirements.
All U.S. orders are shipped via Canada Post and transferred to USPS upon entry into the United States.
International Shipping
Gas City Vapes ships to select international destinations. The following conditions apply to all international orders:
- The buyer is solely responsible for any VAT, tariff, duty, taxes, handling fees, or customs clearance charges required by the destination country.
- Gas City Vapes does not collect or estimate these charges in advance. Costs vary by country and shipment value.
- If customs fees are refused at delivery, the package will be returned and shipping costs will not be refunded.
- Buyers are advised to consult their local postal or customs authority prior to placing an order to understand applicable import requirements.
Delivery Timing Disclaimer
Gas City Vapes does not guarantee specific delivery dates or timeframes for any order. All transit times listed are estimates provided by the carrier and are subject to change. For time-sensitive orders, place your order well in advance of the required date.
Shipping Terms & Liability
Gas City Vapes Inc. is not responsible for lost, misplaced, delayed, or damaged shipments once they have been dispatched to the carrier. Gas City Vapes Inc. cannot be held liable for packages confirmed as delivered to the address provided at checkout. Customers are responsible for filing any claims directly with the carrier for lost or damaged shipments. Gas City Vapes Inc. is not responsible for mis-delivery resulting from carrier error or incorrect shipping information submitted at checkout.
Frequently Asked Questions
Do you offer free shipping?
Why is an adult signature required?
No shipping options are showing at checkout — what should I do?
Do you ship to Quebec?
Can I upgrade to a faster shipping option?
What happens if my package is lost or damaged?
For additional questions, contact us at sales@gascityvapes.com.
RETURNS & WARRANTY
Returns, Refunds & Warranty
At Gas City Vapes, we want to ensure you are satisfied with your purchase. Please read our policy below regarding returns, warranties, and exchanges.
1. Final Sale & Non-Returnable Items
For sanitary and safety purposes, the following items are Final Sale and cannot be returned or exchanged once purchased or shipped, unless dead-on-arrival (DOA):
- E-Liquid and liquid products
- Disposable Vapes
- Pre-filled pods (including STLTH pods)
- Replacement Coils and Pods
- Rechargeable Batteries
- Atomizers / Tanks
- Opened or used non-defective items
2. Change of Mind (Unopened Items)
If you change your mind about a purchase, you may return unopened and unused items within 30 days of purchase for a full refund.
Gas City Vapes VIP Loyalty & Rewards Members enjoy an extended 60 day return window.
- Condition: Items must be in their original, sealed packaging.
- Shipping: The customer is responsible for return shipping costs. Shipping charges are non-refundable.
3. Hardware Warranty (Defects)
Hardware purchased directly from our website is covered by a 30-Day Limited Warranty from the date of delivery.
Gas City Vapes VIP Loyalty & Rewards Members enjoy an extended 60 day warranty.
- Coverage: This warranty covers manufacturing defects. It does not cover normal wear and tear, cosmetic issues (scratches/discoloration), accidents, abuse, disassembly, or user error.
- Packaging Requirement: Manufacturers require the original packaging (including outer sleeves and warranty cards) to process claims. Do not discard your packaging, or we may be unable to process your warranty.
- Compatibility: We do not guarantee compatibility between different items unless otherwise states. Incompatibility is not a valid reason for return.
- Cannabis/CBD Warning: Atomizers and devices sold here are for use with e-liquids only unless otherwise states. Use of cannabis/CBD oils or similar substances voids the warranty immediately.
4. Dead on Arrival (DOA) & Missing Items
Please inspect your package immediately upon delivery. Claims for "Dead on Arrival", missing items, or physical damage must be reported within 48 hours of delivery.
5. Incorrect Shipments
If we made a mistake and sent the wrong item, we will fix it at no cost to you.
- We will provide a pre-paid shipping label for you to return the incorrect item.
- Once the incorrect item is received back at our facility, we will immediately ship the correct product to you.
- Note: We cannot ship the replacement until the incorrect item is received or confirmed in transit.
6. Fees & Shipping Costs
- Return Shipping: Customers are responsible for return shipping costs for non-defective returns. We cover shipping costs for approved warranty replacements on our own shipping errors.
-
Restocking Fee (15%): A 15% fee may be deducted from your refund if:
- Returns are opened and found to be non-defective.
- Items are not cleaned/emptied prior to return
- The package was refused by the customer or carrier (shipping costs are also deducted in this case).
- Refund Methods: Refunds are issued to the original payment method or as store credit. We are not responsible for refunds to prepaid cards that are no longer in the customer's possession. We may require a copy of Photo ID to process certain refunds.
How to Initiate a Return
To start a return or warranty claim, please email us within the 30-day window.
Email: sales@gascityvapes.com
Please include the following in your email:
- Full Name
- Order Number
- Detailed explanation of the issue
- Photo or video proof of the defect (if applicable)
Once approved, you will receive further instructions. Replacements are shipping after the defective item is approved for warranty.
Nitecore UI1 Single-Slot USB Battery Charger for Li-ion, IMR Batteries
The Nitecore UI1 is a highly portable, lightweight single-slot battery charger engineered for outdoor enthusiasts, travelers, and everyday users. Despite its compact footprint, the UI1 features an elongated charging slot that easily accommodates large-sized cells like protected 20700 and 21700 batteries. Powered entirely via USB, it automatically adopts the optimal charging mode—Constant Current (CC) or Constant Voltage (CV)—to maximize your battery health and cycle life.
Features
Input: DC 5V/1A 5W
Output:
- Voltage: 4.2V ±1%
- Current: 800mA (MAX)
Compatible chemistries:
- Li-ion, IMR: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650.
- Intelligent and active charging technology (CC and CV optimization)
- Low current activation for deeply discharged batteries under 2.9V
- Three blue power indicators for real-time battery levels
- Universal USB power input (power banks, solar panels, adapters)
- Reverse polarity protection & short circuit prevention
- Intelligent thermal regulation to prevent overheating
- PC fire retardant materials
- Ultra-lightweight and travel-friendly design
Note: The UI1 is designed exclusively for 3.6V/3.7V Li-ion and IMR batteries. It is not compatible with Ni-MH or Ni-Cd batteries (AA, AAA, C, D).
Shipping Policy
Last updated: February June 18, 2026
Gas City Vapes offers same-day shipping on all domestic orders placed before 1:00 PM MST, excluding statutory holidays and weekends. If no shipping options appear during checkout, please contact us directly so we can arrange an alternative for your order.
Proof of Age & Adult Signature
An adult signature is required on every single package — no exceptions. This applies to all domestic and international shipments. For full details, see our Age Policy.
A government-issued photo ID confirming age of majority is required at the time of delivery. Packages cannot be left unattended. For more information, see our Age Policy.
Free Shipping Threshold
Orders of $50 or more before taxes qualify for free expedited shipping on all domestic Canadian orders. Gas City Vapes typically uses Canada Post Expedited for these shipments but may substitute an alternative courier if a faster option is available at no additional cost.
Shipping in Canada
In-stock orders placed before 1:00 PM MST are dispatched the same business day. The estimated delivery times below apply to the Free Shipping option via Canada Post Expedited.
- British Columbia — Approx. 3 Business Days
- Alberta — Approx. 3 Business Days (Calgary: ~1 Day, Edmonton: ~2 Days)
- Saskatchewan — Approx. 4 Business Days (Saskatoon & Regina: ~3 Days)
- Manitoba — Approx. 4 Business Days
- Ontario — Approx. 4 Business Days
- Quebec — No Shipping Available
- New Brunswick — No Shipping Available
- Nova Scotia — Approx. 8 Business Days
- Prince Edward Island — No Shipping Available
- Newfoundland & Labrador — Approx. 8 Business Days
- Yukon — Approx. 13 Business Days
- Nunavut — No Shipping Available
- Northwest Territories — No Shipping Available
All transit times are estimates. Delivery may be extended for remote locations or due to carrier weather delays. Upgrading to Canada Post Xpresspost typically reduces transit time by approximately half.
Questions About Your Order?
Our team can assist with shipping arrangements, tracking, and order inquiries.
Contact UsBrowse ProductsUnited States Shipping
Important Notice for U.S. Customers
Effective August 29, 2025, the United States eliminated the duty-free de minimis exemption for all packages originating from Canada, pursuant to updated U.S. Customs and Border Protection regulations. As a result, direct online ordering for U.S. shipments has been temporarily suspended while we implement a compliant checkout process that collects applicable duties and taxes at the time of purchase.
Placing a U.S. Order Now
If you require an order and are not seeing shipping options at checkout, please contact us directly by phone or email. We will process your request manually and advise on any applicable duties or import requirements.
All U.S. orders are shipped via Canada Post and transferred to USPS upon entry into the United States.
International Shipping
Gas City Vapes ships to select international destinations. The following conditions apply to all international orders:
- The buyer is solely responsible for any VAT, tariff, duty, taxes, handling fees, or customs clearance charges required by the destination country.
- Gas City Vapes does not collect or estimate these charges in advance. Costs vary by country and shipment value.
- If customs fees are refused at delivery, the package will be returned and shipping costs will not be refunded.
- Buyers are advised to consult their local postal or customs authority prior to placing an order to understand applicable import requirements.
Delivery Timing Disclaimer
Gas City Vapes does not guarantee specific delivery dates or timeframes for any order. All transit times listed are estimates provided by the carrier and are subject to change. For time-sensitive orders, place your order well in advance of the required date.
Shipping Terms & Liability
Gas City Vapes Inc. is not responsible for lost, misplaced, delayed, or damaged shipments once they have been dispatched to the carrier. Gas City Vapes Inc. cannot be held liable for packages confirmed as delivered to the address provided at checkout. Customers are responsible for filing any claims directly with the carrier for lost or damaged shipments. Gas City Vapes Inc. is not responsible for mis-delivery resulting from carrier error or incorrect shipping information submitted at checkout.
Frequently Asked Questions
Do you offer free shipping?
Why is an adult signature required?
No shipping options are showing at checkout — what should I do?
Do you ship to Quebec?
Can I upgrade to a faster shipping option?
What happens if my package is lost or damaged?
For additional questions, contact us at sales@gascityvapes.com.
Returns, Refunds & Warranty
At Gas City Vapes, we want to ensure you are satisfied with your purchase. Please read our policy below regarding returns, warranties, and exchanges.
1. Final Sale & Non-Returnable Items
For sanitary and safety purposes, the following items are Final Sale and cannot be returned or exchanged once purchased or shipped, unless dead-on-arrival (DOA):
- E-Liquid and liquid products
- Disposable Vapes
- Pre-filled pods (including STLTH pods)
- Replacement Coils and Pods
- Rechargeable Batteries
- Atomizers / Tanks
- Opened or used non-defective items
2. Change of Mind (Unopened Items)
If you change your mind about a purchase, you may return unopened and unused items within 30 days of purchase for a full refund.
Gas City Vapes VIP Loyalty & Rewards Members enjoy an extended 60 day return window.
- Condition: Items must be in their original, sealed packaging.
- Shipping: The customer is responsible for return shipping costs. Shipping charges are non-refundable.
3. Hardware Warranty (Defects)
Hardware purchased directly from our website is covered by a 30-Day Limited Warranty from the date of delivery.
Gas City Vapes VIP Loyalty & Rewards Members enjoy an extended 60 day warranty.
- Coverage: This warranty covers manufacturing defects. It does not cover normal wear and tear, cosmetic issues (scratches/discoloration), accidents, abuse, disassembly, or user error.
- Packaging Requirement: Manufacturers require the original packaging (including outer sleeves and warranty cards) to process claims. Do not discard your packaging, or we may be unable to process your warranty.
- Compatibility: We do not guarantee compatibility between different items unless otherwise states. Incompatibility is not a valid reason for return.
- Cannabis/CBD Warning: Atomizers and devices sold here are for use with e-liquids only unless otherwise states. Use of cannabis/CBD oils or similar substances voids the warranty immediately.
4. Dead on Arrival (DOA) & Missing Items
Please inspect your package immediately upon delivery. Claims for "Dead on Arrival", missing items, or physical damage must be reported within 48 hours of delivery.
5. Incorrect Shipments
If we made a mistake and sent the wrong item, we will fix it at no cost to you.
- We will provide a pre-paid shipping label for you to return the incorrect item.
- Once the incorrect item is received back at our facility, we will immediately ship the correct product to you.
- Note: We cannot ship the replacement until the incorrect item is received or confirmed in transit.
6. Fees & Shipping Costs
- Return Shipping: Customers are responsible for return shipping costs for non-defective returns. We cover shipping costs for approved warranty replacements on our own shipping errors.
-
Restocking Fee (15%): A 15% fee may be deducted from your refund if:
- Returns are opened and found to be non-defective.
- Items are not cleaned/emptied prior to return
- The package was refused by the customer or carrier (shipping costs are also deducted in this case).
- Refund Methods: Refunds are issued to the original payment method or as store credit. We are not responsible for refunds to prepaid cards that are no longer in the customer's possession. We may require a copy of Photo ID to process certain refunds.
How to Initiate a Return
To start a return or warranty claim, please email us within the 30-day window.
Email: sales@gascityvapes.com
Please include the following in your email:
- Full Name
- Order Number
- Detailed explanation of the issue
- Photo or video proof of the defect (if applicable)
Once approved, you will receive further instructions. Replacements are shipping after the defective item is approved for warranty.
