XTAR BC4 4-Slot Charger with Cover - 2.3H Fast Charging for 1.5V AA/AAA Li-ion & 1.2V NiMH Batteries, with Emergency USB Power Bank Output & LED Flashlight (Travel-Ready Charging Case)
Description
【Product Description】
The Ultimate 3-in-1 Travel Power Hub! The XTAR BC4 4-Slot Charger with Cover isn’t just a charger; it’s a complete, travel-ready power management system. Designed for modern households and outdoor enthusiasts, this compact case simultaneously charges both 1.5V AA/AAA Li-ion and 1.2V AA/AAA NiMH batteries in a blazing 2.3 hours—a massive upgrade over standard 16-hour chargers.
When you're on the go, simply close the transparent cover, which protects your batteries from dust, foreign objects, and accidental short circuits. But the BC4 doesn’t stop there! Insert four identical batteries and it instantly transforms into a powerful emergency power bank with a standard USB output to charge your phone, and a built-in LED emergency flashlight for unexpected blackouts or outdoor adventures.
Featuring dual-layer safety protection (charger current limiting + smart battery chips), the BC4 ensures a rapid, safe, and efficient charge every time. Whether at home, in the office, or out camping, the BC4 is the only power tool you need.
( IMPORTANT: This listing is for the charger only. Batteries are NOT included.)
【Key Features】
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Ultra-Fast 2.3H Charging: Charges 4 batteries in just 2.3 hours! That’s 7 times faster than standard 16-hour NiMH chargers, saving you precious time.
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Protective Clear Cover: The durable lid keeps your batteries safe from dust, short circuits, and accidental damage while charging or in transit.
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Emergency USB Power Bank Output: Insert 4 identical AA/AAA batteries, close the lid, and simply press a button to use it as a 5V/1A power bank to top up your smartphone on the go.
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Built-in LED Flashlight: Long-press the button to activate the built-in LED lamp, providing you with a reliable emergency lighting source during power outages or outdoor trips.
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Universal AA/AAA Compatibility: Automatically and safely charges both 1.5V Li-ion and 1.2V NiMH batteries (both AA and AAA sizes).
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Smart LED Indicator System: Easy-to-read LED lights show the status: Green solid (Standby/Charged), Red solid (Charging), Red slow flashing (Activation), and Red fast flashing (Abnormal/Short circuit).
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Dual-Layer Safety Protection: Features charger-level current limiting protection and built-in battery chip protection against overcharge, over-discharge, overvoltage, overcurrent, short circuits, and temperature control.
【Parameters & Specifications】
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Brand: XTAR
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Model: BC4
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Input: 5V = 2A (Type-C)
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Output: 5V = 1A (USB Output)
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Charging Current: 0.5A x 4
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Cut-off Current: ≤100mA
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Compatible Chemistries: 1.5V AA/AAA Li-ion, 1.2V AA/AAA NiMH
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LED Indicator: Green (Full), Red (Charging), Red Slow Flash (Activation), Red Fast Flash (Abnormal)
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Operating Temp: 0℃ ~ 40℃
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Dimensions: 80mm × 75mm × 27mm
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Weight: 55g (Without batteries and cable)
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Note: Batteries are NOT included.
【Applications】
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Travel & Camping: Use it as an emergency power bank and LED flashlight while on the road.
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Household Daily Use: Keep all your AA/AAA batteries charged for remotes, toys, and smart locks.
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Emergency Preparedness: Keep a charged set ready for power outages or emergency lighting.
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Office & Desk: A portable, clean-looking charger that doubles as a backup power source for your phone.
【Frequently Asked Questions (FAQ)】
Q1: Does this charger come with batteries?
A1: NO. The XTAR BC4 is sold as a charger unit only. You need to purchase 1.5V AA/AAA Li-ion or 1.2V AA/AAA NiMH batteries separately.
Q2: How do I use the emergency power bank function?
A2: Insert 4 identical AA/AAA batteries into the charger, close the lid, and click the side button. The USB port on the side will then provide 5V/1A output to charge your smartphone.
Q3: What is the difference between the XTAR BC4 and a regular 4-slot charger?
A3: The BC4 features a protective cover, supports 1.5V Li-ion in addition to standard 1.2V NiMH, has a blazing 2.3-hour fast charging speed, and includes dual emergency features: USB output and an LED flashlight. Regular chargers don't have these.
Q4: How do I activate the LED emergency light?
A4: Simply long-press the side button for 2-3 seconds to turn the LED light on. Press it again to turn it off.
Q5: Is it safe to charge 1.5V Li-ion and 1.2V NiMH batteries at the same time?
A5: Absolutely. The XTAR BC4 features 4 independent smart slots that automatically identify battery types and apply the correct charging algorithm to each slot. You can mix and match them safely.
Shipping and Returns
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Free Shipping: Enjoy free shipping on all orders over $65. For orders under $65, the shipping cost is $8.99.
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Delivery Time: Once shipped, orders typically arrive within 7–15 business days.
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Easy Returns: We want you to be completely satisfied. If you're not, you can return your product within 30 days of receiving your order. Please ensure the items are unused and in their original condition. For return instructions, please contact our support team.
Payment & Security
Payment methods
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Security

Refund Policy
OneAndes Return & Refund Policy
At OneAndes, we are committed to providing high-quality cylindrical lithium-ion batteries for your drones, vacuums, garden tools, and other power needs. If you are not completely satisfied with your purchase, we are here to help. Please read our full return policy below before initiating a return.
1. Return Window
You have 30 calendar days from the date you received your item(s) to request a return. Any return request submitted after 30 days will not be eligible for a refund or exchange.
2. Eligibility Conditions
To qualify for a return, all items must meet the following conditions:
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Condition: Items must be unused, undamaged, and in the same condition that you received them.
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Packaging: Items must be returned in their original packaging with all accessories, manuals, and protective covers intact.
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Proof of Purchase: A valid receipt, order confirmation email, or proof of purchase must accompany all returns.
Non-Returnable Items:
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Batteries that have been installed, used, or show any signs of wear.
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Items marked as “Final Sale” or “Clearance” at the time of purchase.
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Customized or special-order products.
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Gift cards.
If a returned item fails to meet these conditions, we reserve the right to deny the return or charge a restocking fee.
3. How to Initiate a Return
Follow these steps to return your product:
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Contact Us: Email our support team at support@oneandes.com with your order number and the reason for return. We aim to respond to all return requests within 24 hours on business days.
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Receive RMA: We will provide you with a Return Merchandise Authorization (RMA) number and return instructions. Do not ship any item without an RMA number.
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Pack Securely: Place the item in its original packaging, include all accessories, and clearly write the RMA number on the outside of the box.
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Ship to Our US Warehouse: Ship the package to the following address:
OneAndes Returns
10320 6th St
Rancho Cucamonga, CA 91730
USA*Important: Lithium-ion batteries are classified as hazardous materials (Class 9). Please follow the shipping guidelines provided in Section 4 below. We recommend using a trackable shipping service and purchasing shipping insurance, as we cannot guarantee receipt of your returned item.*
4. Return Shipping Costs
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Defective or Incorrect Items: If the item you received is defective, damaged in transit, or different from what you ordered, OneAndes will cover the return shipping cost. In this case, we will provide you with a prepaid return shipping label.
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Buyer’s Remorse / Non-Defective Returns: If you are returning an item for any other reason (e.g., no longer needed, ordered the wrong model), you are responsible for the return shipping costs. You must prepay the return shipping cost using a trackable carrier that accepts lithium batteries. We do not provide prepaid return labels for non-defective returns.
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Lithium Battery Shipping Regulations: By law, all returns must be shipped in compliance with applicable dangerous goods regulations. We will provide guidance on proper packaging and labeling. Failure to comply may result in carrier refusal, seizure, or additional fees. We are not responsible for returned items lost or rejected by the carrier due to improper shipping.
5. Refunds
Once we receive and inspect your return at our Rancho Cucamonga, CA facility, we will notify you via email of the approval or rejection of your refund.
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Approved Refunds: If approved, your refund will be processed to your original method of payment within 5 to 10 business days. Please note that depending on your bank or credit card issuer, it may take additional time for the credit to appear on your statement.
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Partial Refunds: In certain situations, only partial refunds may be granted:
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Items not in original condition, missing parts, or damaged for reasons not due to our error.
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Items returned more than 30 days after delivery (reviewed on a case-by-case basis).
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Non-Refundable Fees: Original shipping charges are non-refundable unless the return is due to our error (defective product or incorrect shipment).
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Restocking Fee: We do not charge a restocking fee for defect-free returns, but we may deduct the return shipping cost, which will be deducted from your refund.
6. Exchanges
We replace items only if they are defective or damaged upon arrival. If you need to exchange a defective item for the same product, please contact us at support@oneandes.com. Exchanges are subject to product availability.
If you ordered the wrong battery size or model, please follow the standard return process above and place a new order for the correct item.
7. Damaged or Missing Items
If your package arrives visibly damaged, please take photos of the package before opening and contact us immediately. We will work with the shipping carrier to file a claim and arrange for a replacement or refund. Damaged or missing item claims must be reported within 7 calendar days of delivery. For immediate assistance, you may also call us at (213) 316-8849.
8. Order Cancellation
You may cancel your order without penalty if it has not yet been shipped. To cancel, email us at support@oneandes.com as soon as possible. If the order has already been processed or shipped, you will need to follow the standard return process upon receipt.
9. Warranty
All OneAndes batteries are backed by a 12-month limited warranty against defects in materials and workmanship. This warranty does not cover damage caused by misuse, improper charging, unauthorized modifications, normal wear and tear, or use outside of manufacturer specifications. For warranty claims, please contact our support team.
10. Contact Us
If you have any questions about our Return & Refund Policy, please reach out:
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Email: support@oneandes.com
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Phone: (213) 316-8849 (Mon-Fri, 9 AM – 5 PM Pacific Time)
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Mailing Address: 10320 6th St, Rancho Cucamonga, CA 91730, USA
We aim to respond to all inquiries within 24 hours during business days. Please include your order number for faster assistance.
