Charger
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Vendor:SPERAS
SPERAS 21700 dual-slot Type C-USB battery charger
The SPERAS ZL21 is a portable dual-slot Type C-USB battery charger with each single slot max output of 1A, available for large-sized 21700, 18650 Lithium batteries and Capable of charging 2 batteries simultaneously and controlling each slot. Specification Input DC 5V/2A Output Voltage...- $12.69
- $12.69
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Vendor:SPERAS
SPERAS ZT20 Smart Battery Charger & Tester with LCD
Professional Battery Diagnostics SPERAS ZT20 Smart LCD Battery Charger & Tester Take complete control of your power. The SPERAS ZT20 goes beyond simple charging. Featuring a high-definition LCD screen, battery capacity testing, and over-discharged restoration capabilities, it is the ultimate management tool for all...- $24.26
- $24.26
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Vendor:SPERAS
SPERAS ZL11 Charger 21700 18650 1 Slot Charge
The Ultra-Compact EDC Charger SPERAS ZL11 Single-Slot Smart Battery Charger Travel light without sacrificing capability. The SPERAS ZL11 is a highly portable, single-bay Li-ion charger weighing only 36.8g. Despite its tiny footprint, it easily accommodates massive protected 21700 batteries, making it the perfect everyday...- $6.90
- $6.90
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Vendor:SPERAS
SPERAS NL8 AA/AAA 1.2V/1.5V LED Charger
Smart Power Station SPERAS NL8: Intelligent 8-Slot Universal Battery Charger (Type-C) Power up all your essential gear at once. The SPERAS NL8 features 8 independent charging channels with smart auto-detection, allowing you to mix and match different battery chemistries and sizes simultaneously with zero...- $18.99
- $18.99
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Vendor:SPERAS
SPERAS ALL4 Smart LCD Battery Charger | 4-Slot AA/AAA USB-C
Smart LCD Power Hub SPERAS ALL4: Smart 4-Slot Battery Charger with LCD Display Take the guesswork out of charging. The SPERAS ALL4 features an intuitive LCD screen for real-time monitoring, 4 independent channels, and smart auto-detection to safely charge mixed battery chemistries simultaneously. SPERAS...- $14.99
- $14.99
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Vendor:SPERAS
SPERAS PD2170 Power Bank Charger 21700 18650 Charger
The Ultimate 2-in-1 Charging Device SPERAS PD21700 Smart Battery Charger & Power Bank Don't just charge your flashlights; charge your life. The SPERAS PD21700 isn't just a high-efficiency smart charger for your 21700 and 18650 batteries. Engineered with advanced parallel balance charge-discharge technology, it...- $35.66
- $35.66
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Vendor:SPERAS
SPERAS D4S LCD Charger 21700 Charger
The 4-Slot Powerhouse SPERAS D4S Smart LCD 4-Slot Battery Charger Scale up your charging capabilities. The SPERAS D4S is built for heavy users who demand efficiency. Featuring 4 fully independent charging slots, auto-selected rapid charging up to 2A, and a comprehensive LCD display, it...- $39.99
- $39.99
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Vendor:SPERAS
SPERAS i4 Charger 4 slot Charger 21700 Charger
Streamlined 4-Slot Power SPERAS i4 Smart LED 4-Slot Battery Charger Maximum reliability without the complexity. The SPERAS i4 is a rugged, highly efficient 4-bay charger featuring clear LED indicators, up to 2A fast charging in the fourth slot, and automatic intelligent charging modes (CC,...- $24.26
- $24.26
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Never run out of power in the dark. The SPERAS Smart Charger Series provides professional, safe, and lightning-fast charging solutions for all your high-drain devices. From tactical flashlights to everyday electronics, our universal battery chargers are engineered to maximize battery life and keep your gear fully operational.
Next-Generation Charging Technology
Whether you are a hardcore flashlight enthusiast, a professional photographer, or an outdoor adventurer, our chargers offer industry-leading features designed to meet your specific needs:
- Ultimate Compatibility: Our intelligent chips seamlessly detect and charge almost any cylindrical rechargeable battery, including heavy-duty 21700 and 18650 Lithium-ion batteries, as well as standard AA/AAA Ni-MH and Li-ion cells.
- Smart LCD & Capacity Testing: Stop guessing your battery's health. Advanced models feature high-definition LCD screens that display real-time voltage, current, and precise battery capacity testing.
- Multi-Functional Power: Select SPERAS chargers go beyond simply charging batteries—they double as emergency OTG power banks, allowing you to charge your phone directly from your flashlight batteries via USB-C.
Explore Our Signature Chargers:
- For Outdoor Survival: The SPERAS PD2170 isn't just a 21700/18650 charger—it acts as a portable power bank to keep your mobile devices alive in the wilderness.
- For Professional Data: The SPERAS ZT20 and D4S offer multi-slot charging with comprehensive LCD readouts and battery capacity testing functions.
- For Everyday Gear: Need to charge household devices? The SPERAS ALL4 is the ultimate smart LCD solution for your AA and AAA batteries.
Frequently Asked Questions (FAQ)
What battery sizes do SPERAS chargers support?
Our comprehensive lineup covers almost all cylindrical battery sizes. Depending on the model, they support high-capacity Lithium-ion batteries like 21700, 18650, 26650, and 14500, as well as everyday AA and AAA batteries.
Can I use my SPERAS charger as a power bank?
Yes! Specific models like the SPERAS PD2170 are designed with a dual-purpose OTG function. Once you place a charged 21700 or 18650 battery inside, you can plug in a USB cable and use it to fast-charge your smartphone or other USB devices.
Is it safe to leave batteries in the charger overnight?
Absolutely. All SPERAS smart chargers are equipped with advanced safety circuits. They feature automatic cut-off technology that stops the charging process the exact moment a battery reaches 100% capacity, preventing overcharging, overheating, and extending the overall lifespan of your batteries.
Ready to upgrade your power management? Browse our full selection of smart chargers below and ensure your gear is always ready for action.