Product Description
This bundle pairs the upgraded XTAR VC2L 2-slot smart charger with high-capacity XTAR 21700 4900mAh 10A lithium-ion rechargeable batteries. (Available in 1-Pack or 2-Pack options). The included 21700 battery delivers an impressive 4900mAh true capacity, a 3.6V nominal voltage, and a robust 10A maximum continuous discharge current. It features a Button Top positive terminal, ensuring excellent contact with high-power devices like drones. The XTAR VC2L charger features an upgraded extendable spring-loaded slot design, specifically engineered to safely accommodate protected 20700 and 21700 batteries—making it a perfect match for this kit. With a vibrant color VA LCD screen, 2A single-slot fast charging, Type-C input, and 0V activation, this kit provides a highly compatible, informative, and powerful charging solution for your high-drain portable electronics.
Key Features
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Complete High-Performance Power Kit: Includes one XTAR VC2L upgraded charger (with Type-C cable) and one or two XTAR 21700 4900mAh 10A batteries based on your selection.
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High-Capacity Battery Specifications: Features 4900mAh true capacity, a 3.6V nominal voltage, a 4.2V charging cut-off, and a 10A maximum continuous discharge current. It features a Button Top positive terminal, perfectly suitable for and RC drones. Weighing 71g, it measures 21.4mm in diameter and 74.8mm in height.
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Upgraded Extendable Battery Slots: The VC2L features a newly designed spring-loaded bay that securely accommodates this 21700 battery. A key advantage: it safely supports protected 20700 and 21700 batteries, providing superior versatility over many standard chargers.
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Innovative Color VA LCD Display: Equipped with a high-contrast color screen using a creative gauge-style interface, it clearly displays real-time battery voltage, charging current gear, charged capacity (mAh), and battery type.
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2A Single-Slot Fast Charging & Type-C Input: Supports adjustable charging currents: 2A for a single slot, 1A for two slots, or 0.5A for two slots. Features a modern Type-C port (5V 2.1A) for easy connection to phone adapters, laptops, or power banks.
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Intelligent Charging & 0V Activation: Automatically identifies battery types and applies TC-CC-CV for Li-ion or 0ΔV/-ΔV pulse charging for Ni-MH. Built-in 0V activation safely revives over-discharged batteries.
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Comprehensive Safety Protection: Built-in over-current, over-voltage, over-charge, short-circuit, and reverse polarity protection (with "Err" warnings on the screen), supported by intelligent temperature control.
Product Parameters
Charger (XTAR VC2L):
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Model: XTAR VC2L
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Input Power: DC 5V 2.1A (Type-C)
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Constant Charging Current: 2A x 1 / 1A x 2 / 0.5A x 2
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Charging Cut-off Voltage: 4.2 ± 0.05V (Li-ion) / 1.45 ± 0.1V (Ni-MH)
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Charging Cut-off Current: ≤150mA
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Operating Temperature: 0 - 40°C
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Dimensions: 136 x 63 x 33 mm
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Net Weight: 115g
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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
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Supported Ni-MH/Ni-CD Sizes: AAAA, AAA, AA, A, SC, C
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Upgrade Note: This charger supports protected 20700 and 21700 batteries.
Battery (XTAR 21700 4900mAh):
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Brand: XTAR
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Model: 21700 Rechargeable Li-ion Battery
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Nominal Capacity: 4900mAh
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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: 10A
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Positive Terminal: Button Top
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Weight: 71g
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Dimensions: 21.4 ± 0.3mm (Diameter) x 74.8 ± 0.5mm (Height)
Applications
- Reliable and powerful power source for high-performance RC drones, aircraft models, and robotics.
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Long-lasting energy for high-lumen EDC tactical flashlights and searchlights.
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Professional battery management for outdoor survival gear and emergency backup systems.
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A versatile and future-proof charging solution that natively supports protected 21700 cells, offering superior device compatibility.
Frequently Asked Questions (FAQ)
Q1: What is included in this bundle?
A1: The bundle includes one XTAR VC2L smart charger, one Type-C charging cable, one user manual, and either 1 or 2 units of the XTAR 21700 4900mAh 10A Button Top batteries based on your selected variant.
Q2: Can the VC2L charger accommodate the 21700 battery in this kit?
A2: Absolutely. The VC2L features an upgraded extendable spring-loaded slot design specifically engineered to safely accommodate this 74.8mm long 21700 battery (including those with protection boards).
Q3: How do I switch the charging current on the VC2L?
A3: Simply click the physical button located just below the LCD display screen to cycle through the three current settings: 2A for a single slot, 1A for two slots, or 0.5A for two slots.
Q4: What does the color VA LCD display show?
A4: The innovative gauge-style display provides real-time, easy-to-read information including battery voltage, charging current gear, charged capacity (mAh), and battery type. If a battery is inserted incorrectly, the screen will clearly display "Err".
Q5: Can I charge a Li-ion and a Ni-MH battery at the same time?
A5: Yes. The VC2L features completely independent dual-slot circuits, allowing you to safely charge a 3.6V Li-ion battery (like this 21700) in one slot and a 1.2V Ni-MH battery in the other slot simultaneously.
