Essential details
MOQ:500 pieces
Shipping:Express Delivery, Air freight, Land freight, Ocean freight
Product Introduction
VELTOK 15W Lithium Ion Battery Charger - 1S/2S/3S/4S, 4.2V-16.8V, 500mA-2000mA Smart Li-ion Charger
VELTOK 15W Lithium Ion Battery Charger is a high-performance smart charger designed for 1S, 2S, 3S, 4S Li-ion battery packs, supporting multi-voltage (4.2V, 8.4V, 12.6V, 16.8V) and multi-current (500mA, 1000mA, 1500mA, 2000mA) options. Engineered with PC fireproof material, strict quality testing, and comprehensive safety protections, it meets global certifications and international safety standards. With stable charging performance, support for OEM/ODM and small trial orders, it's widely applicable for robots, drones, RC cars, digital devices, and various Li-ion battery-powered products worldwide.
Technical Specifications (Detailed Parameters)
Parameter | Details |
Input Voltage | 100-240V AC, 50/60Hz, 1.0-0.6A (universal input, compatible with global voltage) |
Total Power | 15W |
Cell Compatibility | 1S, 2S, 3S, 4S Lithium Ion Battery Packs |
Output Voltage | 4.2V (1S), 8.4V (2S), 12.6V (3S), 16.8V (4S); customizable for specific needs |
Output Current | 500mA, 1000mA (1A), 1500mA (1.5A), 2000mA (2A); adjustable |
Charging Mode | Trickle/Constant Current/Constant Voltage (3-stage charging), ensuring safe and fast charging |
Loading Regulation | ±5% |
Over-Voltage Protection | 115%-135% of rated output voltage |
Over-Current Protection | 130%-150% of rated output current |
Operating Temperature | -10°C~+55°C (10-90% R.H, Non-condensing), suitable for indoor/outdoor use |
Storage Temperature | -40°C~+65°C (10-90% R.H, Non-condensing); Alternative: -20-85°C |
Operating Humidity | 10%~90% RH (Non-condensing); Alternative: 20%-90% RH |
Storage Humidity | 5%~95% RH (Non-condensing) |
Insulation Strength | Class A |
Withstanding Voltage | 3,000V AC (minimum), 5mA (maximum), double insulation protection |
MTBF | Over 50,000 hours with full load in 25°C ambient condition, long service life |
AC Inlet & Design | Universal Plug (optional: EU/US/UK/AU), Plug-in Type Wall Mount, compact and space-saving |
Efficiency | Level VI Efficiency, energy-saving, low power consumption, meets global energy standards |
Charging Precision | ±1% voltage precision, ensuring stable and safe charging for Li-ion batteries |
Product Features & Advantages
Multi-Cell Compatibility: 15W charger supports 1S/2S/3S/4S Li-ion packs, 4.2V-16.8V, 500mA-2000mA, compatible with drones, RC cars, digital devices.
3-Stage Smart Charging: ±1% voltage precision, 3-stage (trickle/constant current/constant voltage) charging extends battery life, avoids overcharge damage.
Full Safety Protections: Short circuit, over voltage/temperature/current, overcharge protections + auto recovery, meeting Li-ion safety standards.
Premium Safe Material: PC Fireproof case, double insulation, flame-retardant, safe for long-term use.
Stable Performance: Low temperature rise, EMI filter reduces interference, reliable for global use.
Global Compatibility: 100-240V universal input, optional EU/US/UK/AU plugs for global markets.
Energy-Saving: Level VI efficiency, low power consumption, compliant with global regulations.
Strict QC & Warranty: 100% full load/aging tests, ISO9001, 36-month free replacement warranty.
Convenient & Competitive: Wall-mount, multiple interfaces; competitive price, OEM/ODM, short lead time, ideal for global wholesale.
Applicable Scenarios
Widely used for 1S/2S/3S/4S Li-ion battery packs in various devices, including aircraft, cars, boats, drones, RC toys, digital cameras, portable power banks, LED lights, medical devices, small household appliances, and other electronic products that require 4.2V-16.8V, 500mA-2000mA Li-ion battery charging, suitable for global personal and commercial use.
Packing Details
1 piece per plastic bag + inner box (packing terms can be negotiated when placing an order, suitable for global shipping and storage, with anti-collision protection to ensure product safety during transportation).






