XTAR MC4S - Lithium Ion Battery Charger
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XTAR | LONDON VAPE WHOLESALE
4-BAY SMART BATTERY CHARGERXTAR MC4S Lithium-Ion Battery Charger Wholesale UK
Discover the XTAR MC4S Lithium-Ion Battery Charger at London Vape Wholesale. Featuring four independent charging bays, intelligent current adjustment, USB Type-C power and support for compatible rechargeable lithium-ion and nickel-metal hydride batteries, the MC4S offers practical multi-battery charging in a compact design.
PRODUCT HIGHLIGHTS
4 Independent Bays • USB-C Input • 0.5A × 4 / 1A × 2 • Smart Current Adjustment • Li-ion & Ni-MH Support • LED Indicators • Multiple Safety Protections
Charger only. Rechargeable batteries are sold separately. Use only with supported rechargeable battery types.
XTAR MC4S Battery Charger – Product Overview
The XTAR MC4S is a four-bay smart battery charger designed for compatible cylindrical rechargeable batteries, including popular 18650 and unprotected 21700 lithium-ion cells.
Each of its four independent charging slots operates separately, allowing supported batteries to be charged simultaneously without requiring every cell to be the same size or capacity.
The charger supports compatible 3.6V/3.7V lithium-ion batteries and 1.2V Ni-MH rechargeable batteries, making it suitable for a variety of battery-powered electronic devices.
Its intelligent charging system automatically adjusts the charging current according to the supported battery and charging configuration. The MC4S can provide 0.5A across four bays or 1A across two bays when supplied with suitable USB power.
The charger uses a USB Type-C power input and includes LED charging-status indicators, automatic charge termination and protective functions against common electrical faults.
The XTAR MC4S is supplied without batteries and is intended for use with compatible rechargeable cells only.
XTAR MC4S Key Features
Four Independent Charging Bays
Charge up to four compatible rechargeable cells simultaneously. Each bay operates independently, allowing supported batteries with different capacities or charge levels to be charged together.
Intelligent Current Adjustment
The MC4S automatically manages charging current according to its charging configuration and available power, removing the need for manual current selection.
0.5A × 4 or 1A × 2 Charging
The charger supports up to four charging bays at 0.5A each or two bays at 1A each. Actual charging performance depends on the connected batteries and USB power supply.
USB Type-C Power Input
The USB-C connection allows the charger to operate with a suitable external 5V USB power source. The manufacturer specifies a DC 5V/2.1A input.
Lithium-Ion and Ni-MH Compatibility
The MC4S supports compatible rechargeable 3.6V/3.7V lithium-ion and 1.2V Ni-MH cells, subject to the manufacturer's supported battery formats.
LED Charging Indicators
Integrated LED indicators provide straightforward visual charging-status information, helping users identify charging progress and completion.
Automatic Charge Termination
The smart charging system is designed to stop charging once a supported cell reaches its appropriate full-charge condition, helping reduce unnecessary overcharging.
Multiple Electrical Safety Protections
The charger incorporates protective functions for reverse polarity, short circuits, overcharging and abnormal input voltage conditions.
Compact Portable Design
Its approximately 100 × 97 × 26.5mm body provides a compact four-slot charging solution for home, workplace or travel use where a suitable power source is available.
0V Activation Function
XTAR includes a low-voltage cell activation function for certain compatible over-discharged batteries. This feature must not be used to attempt recovery of damaged, swollen or otherwise unsafe cells.
XTAR MC4S Charging Current Options
The MC4S automatically selects its charging current. The maximum available charging current depends on the number of occupied bays, battery characteristics and available USB input power.
| Charging Configuration | Maximum Advertised Current |
|---|---|
| Four Active Bays | 0.5A per bay |
| Two Active Bays | Up to 1A per bay |
Charging times are not fixed. They depend on cell capacity, starting charge level, battery condition and available input power. Do not assume that the highest supported current is suitable for every rechargeable cell.
XTAR MC4S Compatible Battery Sizes
The XTAR MC4S supports a range of rechargeable cylindrical battery sizes. Common examples include:
*20700 / 21700: The MC4S supports compatible unprotected cells. Longer protected 20700/21700 batteries are not supported.
**26650: The charger accommodates a maximum of two 26650 cells in the appropriate outer bays because of their larger diameter.
Additional supported lithium-ion formats include 10440, 14500, 14650, 16340, 17500, 17670, 18490, 18700, 22650 and 25500, subject to the manufacturer's specifications and physical fit.
Supported Battery Chemistries
| Battery Chemistry | Compatibility |
|---|---|
| 3.6V / 3.7V Li-ion | Supported compatible cylindrical cells |
| IMR / INR / ICR | Supported compatible lithium-ion formats |
| 1.2V Ni-MH | Supported rechargeable sizes |
| 1.2V Ni-Cd | Supported by published MC4S compatibility listings; check cell instructions |
| 3.2V LiFePO4 | Not specified as supported |
| Disposable / Primary Batteries | Not supported – never attempt to recharge |
XTAR MC4S Technical Specifications
| Brand | XTAR |
| Model | MC4S |
| Product Type | Smart Rechargeable Battery Charger |
| Number of Bays | 4 Independent Charging Slots |
| Power Input | DC 5V / 2.1A |
| Input Connection | USB Type-C |
| Charging Current | 0.5A × 4 / 1A × 2 |
| Charging Current Selection | Automatic / Adaptive |
| Supported Lithium-Ion Voltage | 3.6V / 3.7V Nominal |
| Supported Ni-MH Voltage | 1.2V Nominal |
| Lithium-Ion Charge Termination | 4.2V ± 0.05V |
| Charging Status | LED Indicators |
| Independent Charging | Yes |
| Mixed Compatible Battery Charging | Yes |
| Reverse-Polarity Protection | Yes |
| Short-Circuit Protection | Yes |
| Overcharge Protection | Yes |
| Low-Voltage Activation | Supported for Certain Compatible Cells |
| Dimensions | Approximately 100 × 97 × 26.5mm |
| Charger Weight | Approximately 95g |
| Batteries Included | No |
| USB Cable Included | Check Supplied Retail Package |
| Wholesale Supplier | London Vape Wholesale |
Specifications refer to the XTAR MC4S model. Battery compatibility depends on chemistry, dimensions, terminal configuration and cell condition.
XTAR MC4S Compatibility with Tenpower 21700 Batteries
Charging Compatible Unprotected 21700 Cells
The MC4S supports compatible unprotected 21700 lithium-ion batteries, including suitable flat-top cells that fit its charging bays.
The following Tenpower models are listed separately at London Vape Wholesale:
- Tenpower INR21700-50ME – 5000mAh / 15A
- Tenpower INR21700-40TG – 4000mAh / 35A manufacturer rating
Both are unprotected 21700-format lithium-ion cells. Confirm their physical fit, intact insulation and permitted charging conditions before use. Their discharge-current ratings are not charger output ratings.
How to Use the XTAR MC4S Battery Charger
Step 1 – Check the Batteries: Confirm that each battery is rechargeable, supported by the MC4S and free from visible damage.
Step 2 – Connect USB Power: Connect the charger to a suitable 5V USB power supply using an appropriate USB-C cable.
Step 3 – Insert the Cells: Place each battery into a compatible charging bay, following the positive and negative polarity markings.
Step 4 – Allow Automatic Charging: The charger detects the supported battery configuration and manages the charging process automatically.
Step 5 – Check LED Indicators: Monitor the charging-status indicators and consult the user manual for the meaning of each light pattern.
Step 6 – Remove Fully Charged Cells: Once charging is complete, remove the batteries promptly. Do not use the charger as a storage holder.
Step 7 – Store Batteries Safely: Place spare lithium-ion batteries in suitable individual protective cases, away from conductive objects.
XTAR MC4S Battery Charging Safety
Important Charging Precautions
Rechargeable batteries can overheat or become hazardous if damaged, incorrectly charged or used with unsuitable equipment.
- Only charge supported rechargeable battery chemistries and sizes.
- Never attempt to charge disposable or non-rechargeable batteries.
- Do not charge swollen, leaking, punctured or visibly damaged cells.
- Inspect lithium-ion battery wraps and insulating rings before charging.
- Do not leave charging batteries unattended or charge while sleeping.
- Keep the charger away from water, moisture and direct sunlight.
- Use a stable, non-flammable surface with adequate ventilation.
- Do not cover the charger during operation.
- Use a suitable USB power source and cable.
- Never force oversized or protected 21700 cells into the bays.
- Do not attempt to recover physically damaged or dangerously over-discharged batteries.
- Remove batteries after charging and store them separately in protective cases.
- Keep the charger and batteries out of reach of children and pets.
- Stop use immediately if abnormal heat, odour, smoke or damage occurs.
What's Included with the XTAR MC4S?
- 1 × XTAR MC4S Four-Bay Battery Charger
- 1 × XTAR Warranty Card
These are the contents listed by London Vape Wholesale. Other retail packages may include a USB charging cable and user manual; confirm the exact supplied package before advertising those accessories as included. Batteries are sold separately.
Frequently Asked Questions
What is the XTAR MC4S?
It is a four-bay smart charger for supported rechargeable lithium-ion and Ni-MH batteries.
How many batteries can the MC4S charge?
It can charge up to four compatible batteries simultaneously, subject to their physical dimensions and charging configuration.
Can the XTAR MC4S charge 18650 batteries?
Yes. Compatible rechargeable 18650 lithium-ion batteries are supported.
Does the MC4S support 21700 batteries?
Yes, it supports compatible unprotected 21700 cells. Longer protected 21700 batteries are not supported.
Can I charge Tenpower 40TG and 50ME batteries?
Both models use the unprotected 21700 lithium-ion format. Confirm physical fit, cell condition and charging requirements before using them with the MC4S.
What is the charging current?
The charger supports up to 0.5A across four bays or 1A across two bays, depending on the charging configuration.
Does the charger select current automatically?
Yes. The MC4S automatically manages charging current within its supported operating modes.
Does the XTAR MC4S use USB-C?
Yes. The MC4S uses a USB Type-C input and requires a suitable external 5V USB power source.
Can the MC4S charge AA and AAA batteries?
It supports compatible rechargeable AA and AAA Ni-MH batteries. It must not be used to recharge ordinary disposable alkaline batteries.
Can different batteries be charged together?
Yes. Its independent charging bays support mixed charging of compatible cells, subject to the manufacturer's restrictions.
Does the MC4S stop charging automatically?
Yes. It incorporates automatic charge termination for supported rechargeable batteries. Remove batteries once charging is complete.
What safety protections are included?
The charger includes protection against reverse polarity, short circuits, overcharging and abnormal voltage conditions.
Does the XTAR MC4S include batteries?
No. Rechargeable batteries are purchased separately.
Is a USB cable included?
Some MC4S retail packages include a USB cable, but the current London Vape Wholesale listing does not confirm one. Check the supplied package.
Can I charge LiFePO4 batteries?
LiFePO4 support is not specified for the MC4S. Do not charge LiFePO4 cells unless the manufacturer explicitly confirms compatibility.
Where can I buy the XTAR MC4S wholesale in the UK?
The XTAR MC4S Lithium-Ion Battery Charger is listed at London Vape Wholesale. Log in to your trade account to check current pricing and availability.
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XTAR MC4S Lithium-Ion Battery Charger Wholesale UK
Explore the XTAR MC4S four-bay smart battery charger at London Vape Wholesale. Featuring independent charging slots, automatic current adjustment, USB-C input, compatibility with supported lithium-ion and Ni-MH rechargeable cells, and built-in electrical protections, the MC4S provides a compact multi-battery charging solution.
Log in to your trade account to check current wholesale prices, availability and ordering information.
Important Battery Charger Safety Information: Use the XTAR MC4S only with supported rechargeable batteries. Never charge disposable batteries, damaged cells or unsupported battery chemistries. Check polarity, cell dimensions and battery condition before use. The charger supports compatible unprotected 21700 cells but not longer protected 21700 batteries. Do not leave charging batteries unattended, cover the charger during use or expose it to excessive heat or moisture. Remove cells when charging is complete. Follow the XTAR user manual and battery manufacturer's instructions.