Product Description
This bundle pairs the sophisticated XTAR VC4SL 4-slot smart charger with the ultra-high-capacity XTAR 26650 5200mAh 7A lithium-ion rechargeable battery. (Available in 1-Pack or 2-Pack options). The included XTAR 26650 battery delivers a massive 5200mAh true capacity, a 3.6V rated voltage, and a stable 7A maximum continuous discharge current, making it an excellent energy powerhouse for heavy-drain equipment. The VC4SL charger goes beyond standard charging, featuring QC3.0 3A fast charging via Type-C, a clear LCD display, Capacity Grading mode to measure real mAh, Internal Resistance testing to detect aged cells, and a Storage mode that automatically maintains the battery at its optimal 3.7V long-term storage voltage. This kit offers a complete, professional, and intelligent power maintenance solution.
Key Features
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Complete High-Capacity Kit: Includes one XTAR VC4SL 4-slot smart charger (with Type-C cable & storage pouch) and one or two XTAR 26650 5200mAh 7A batteries based on your selection.
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Massive Battery Capacity & Output: The 26650 battery provides an impressive 5200mAh capacity, a 3.6V nominal voltage, and a robust 7A max continuous discharge current. Weighing 95.5g, it ensures long-lasting, stable energy for heavy loads.
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Intelligent Charger Diagnostics: The VC4SL features a professional LCD screen that offers a Capacity Grading mode (charge-discharge-charge cycle to test true mAh) and a built-in Internal Resistance test to easily identify aging, weak, or damaged battery cells.
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QC3.0 3A Fast Charging: Supports 9V QC3.0 Type-C input, delivering an ultra-fast 3A single-slot charging current, with adjustable 2A/1A/0.5A/0.25A currents for flexible multi-slot charging.
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Voltage Precision & Storage Management: Features a high-precision 4.20V ± 0.05V charging cut-off voltage to prevent overcharging. The Storage mode automatically charges or discharges the battery to the ideal long-term storage voltage of 3.7V, significantly extending battery lifespan.
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Extensive Slot Compatibility: The VC4SL's flexible spring-loaded slots are specially designed to accommodate the 26650 battery (26.5mm diameter) safely, while also supporting a wide array of Li-ion battery sizes from 10440 up to 32650.
Product Parameters
Charger (XTAR VC4SL):
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Input Power: QC3.0 Type-C (9V/2A, Max 18W)
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Constant Charging Current: 3Ax1 / 2Ax2 / 1Ax4 / 0.5Ax4 / 0.25Ax4
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Charging Cut-off Voltage: 4.20V ± 0.05V (Li-ion) / 1.45V ± 0.1V (Ni-MH)
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Charging Cut-off Current: ≤120mA
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Optimal Storage Voltage: 3.7V (Li-ion), 1.2V (Ni-MH)
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Operating Temperature: 0°C - 40°C
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Dimensions: L156 x W115 x H35 mm
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Net Weight: 212g
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Supported Battery Types: 3.6V/3.7V Li-ion (IMR/INR/ICR), 1.2V Ni-MH/Ni-CD
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Supported Li-ion Sizes: 10440, 14500, 14650, 16340, 17335, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22650, 25500, 26650, 32650 (Flat Top)
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Supported Ni-MH/Ni-CD Sizes: AAA, AA, A, SC, C
Battery (XTAR 26650 5200mAh):
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Brand: XTAR
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Model: 26650 Rechargeable Li-ion Battery
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Nominal Capacity: 5200mAh
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Nominal Voltage: 3.6V
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Charging Cut-off Voltage: 4.2V
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Max Continuous Discharge Current: 7A
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Weight: 95.5g
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Dimensions: 26.5±0.3mm (Diameter) x 69.3±0.5mm (Height)
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Note: Manual measurement has an error margin of 0.5mm.
Applications
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Ideal long-lasting power source for high-lumen searchlights, tactical flashlights, and heavy-duty EDC gear.
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Reliable and stable 7A power supply for outdoor headlamps and extended-duration camping lanterns.
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Professional battery grading, testing, and storage management for RC hobbyists and model aircraft.
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Heavy-duty backup power for outdoor survival kits, emergency radios, and communication equipment.
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Pre-conditioning batteries for long-term storage in power stations and DIY battery packs.
Frequently Asked Questions (FAQ)
Q1: What is included in this bundle?
A1: The bundle includes one XTAR VC4SL 4-slot smart charger, one Type-C fast charging cable, one user manual, one travel storage pouch, and either 1 or 2 units of the XTAR 26650 5200mAh 7A batteries depending on your selection.
Q2: Is the 26650 5200mAh battery compatible with the VC4SL charger?
A2: Yes. The VC4SL charger features wide, extendable spring-loaded slots specifically designed to accommodate larger diameter batteries like the 26650 (26.5mm). It fits safely and will charge efficiently.
Q3: What does the 7A max continuous discharge current mean for my devices?
A3: The 7A discharge rating means the battery can safely provide a continuous current of up to 7 Amps to your high-drain devices without overheating or performance drops, making it perfect for powerful flashlights and high-output outdoor gear.
Q4: What are the voltage specifics of the VC4SL's Storage mode for this battery?
A4: If you leave the battery unused for a long time, the Storage mode will automatically charge or discharge this 3.6V 26650 battery to the optimal long-term preservation voltage of 3.7V. This specific voltage prevents chemical aging and significantly extends battery life.
Q5: How can I confirm the battery is fully charged?
A5: Once the VC4SL charger detects the battery has reached the precise charging cut-off voltage of 4.20V ± 0.05V and the charging current drops below 120mA, the LCD screen will flash "FULL", and the LED indicator will turn green, confirming it is ready for use.
