XTAR MC4S 4-Bay Smart Charger with 26650 5200mAh 7A Battery Bundle | Type-C Portable Power Kit for High-Lumen Flashlights and Outdoor Gear

Product Description

This bundle combines the lightweight and portable XTAR MC4S 4-slot smart charger with ultra-high-capacity XTAR 26650 5200mAh 7A lithium-ion rechargeable batteries. (Available in 1-Pack or 2-Pack options). The included 26650 battery delivers a massive 5200mAh true capacity, a 3.6V nominal voltage, and a stable 7A maximum continuous discharge current. Weighing 95.5g, it is a true powerhouse for heavy-drain outdoor equipment. The XTAR MC4S charger features four independent charging circuits, a universal Type-C input, smart battery type recognition, and 0V activation. Weighing only 95g, this kit provides a highly portable, reliable, and powerful power solution. Please note the physical limitations: Slots CH1 and CH4 are designed to accommodate large 26650 batteries, while Slots CH2 and CH3 cannot fit the 26650 size. (Note: MC4S does NOT support protected 20700 and 21700 batteries).

Key Features

• Complete High-Capacity Power Kit: Includes one XTAR MC4S 4-slot charger (with USB cable) and one or two XTAR 26650 5200mAh 7A batteries based on your selection.

• Massive Battery Capacity & 7A Output: The 26650 battery provides 5200mAh true capacity, a 3.6V nominal voltage, a 4.2V charging cut-off, and a 7A max continuous discharge current. Weighing 95.5g, it ensures long-lasting, heavy-duty energy output.

• Dedicated Large-Size Slots: To safely accommodate the 26.5mm diameter and 69.3mm height of the 26650 battery, please use CH1 or CH4 (outer slots). CH2 and CH3 are shorter and cannot hold the 26650 size.

• 4 Fully Independent Charging Slots: Each slot features independent circuit control, allowing you to safely mix charge Li-ion and Ni-MH/Ni-CD batteries without interference.

• Smart Battery Identification: Automatically recognizes battery types and applies the optimal charging strategy: TC-CC-CV for Li-ion and precise 0ΔV / -ΔV detection for Ni-MH.

• 0V Activation Technology: Built-in 0V activation feature safely revives and recovers over-discharged lithium batteries, breathing new life into dead cells.

• Intuitive LED Indicator Lights: Red light indicates charging or activation; Green light means fully charged, empty slot, or poor contact; Flashing red/green indicates reversed polarity.

• Type-C Input & Ultra-Portable Design: Modern Type-C port allows for easy power connection via wall adapters, laptops, or car chargers. The charger weighs just 95g, making it ideal for travel and EDC use.

• Comprehensive Safety Protections: Built-in overcurrent, overcharge, overvoltage, and short-circuit protections. Automatically stops charging when the battery is full.

Product Parameters

Charger (XTAR MC4S):

• Model: XTAR MC4S

• Input Power: DC 5V 2.1A (Type-C)

• Constant Charging Current: 1A x 2 / 0.5A x 4

• Charging Cut-off Voltage: 4.20 ± 0.05V (Li-ion)

• Charging Cut-off Current: ≤70mA

• Operating Temperature: 0 - 40°C

• Dimensions: L100 x W97 x H26.5 mm

• Net Weight: 95g

• Supported Battery Types: 3.6V / 3.7V Li-ion (IMR/INR/ICR), 1.2V Ni-MH / Ni-CD

• Supported Sizes (CH1 & CH4): 10440, 14500, 14650, 16340, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22650, 25500, 26650

• Supported Sizes (CH2 & CH3): 10440, 14500, 14650, 16340, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700

• Important Restrictions: This charger does NOT support protected 20700 and 21700 batteries.

Battery (XTAR 26650 5200mAh):

• Brand: XTAR

• Model: 26650 Rechargeable Li-ion Battery

• Nominal Capacity: 5200mAh

• Nominal Voltage: 3.6V

• Charging Cut-off Voltage: 4.2V

• Max Continuous Discharge Current: 7A

• Weight: 95.5g

• Dimensions: 26.5 ± 0.3mm (Diameter) x 69.3 ± 0.5mm (Height)

• Note: Manual measurement has an error margin of 0.5mm.

Applications

• Reliable and powerful energy supply for high-lumen searchlights, tactical flashlights, and heavy-duty outdoor EDC gear.

• Stable 7A power source for extended-use outdoor headlamps and camping lanterns.

• Efficient portable charging solution for heavy-duty RC models, drones, and outdoor survival equipment.

• Convenient mixed charging for both high-capacity 26650 Li-ion and 1.2V Ni-MH household batteries.

Frequently Asked Questions (FAQ)

Q1: What is included in this bundle?
A1: The bundle includes one XTAR MC4S 4-slot smart charger, one USB-A to USB-C charging cable, one user manual, and either 1 or 2 units of the XTAR 26650 5200mAh 7A batteries based on your selected variant.

Q2: Can I fit the 26650 batteries into this charger?
A2: Yes, but strictly only in slots CH1 and CH4. The MC4S is designed with outer slots (CH1 and CH4) to accommodate the 26.5mm diameter and 69.3mm height of 26650 batteries. Slots CH2 and CH3 are shorter and cannot fit this battery size.

Q3: Can the MC4S charge protected 20700 or 21700 batteries?
A3: No. The MC4S does NOT support protected 20700 and 21700 batteries. Please do not use those cells with this charger.

Q4: What does the flashing Red and Green LED lights mean?
A4: When the LED lights flash between red and green, it indicates the battery has been inserted with reversed polarity. Please immediately remove the battery and insert it in the correct orientation.

Q5: What is the maximum charging current of the MC4S?
A5: The MC4S supports a maximum charging current of 1A for 2 slots simultaneously, or 0.5A for all 4 slots simultaneously.