Yingjiao Top Quality Li-ion Battery Charger 29.4V 3.7V

Customization: Available
Usage: Laptop, Switching, Mobile Phone, Game Player, Digital Camera, Phone, Display
Output Type: AC or DC

Product Description

Basic Specifications

Model NO.:YS25
Certification:TUV, RoHS, ISO9001, CCC, CE
Color:Black
Type:Electric / Li-Ion Battery Charger
Internal Structure:On-Off Type
Power Source:Half-Bridge Type
Connection:Plug In
Input:100-240VAC 50/60Hz
Output Voltage:16.8V / 21V / 25.2V / 29.4V / 33.6V
Output Current:0.1-3A Constant Current
Rated Power:36W Max.
Dimension:105*45*28.5mm

Product Description

🔋 High-Quality Li-Ion Battery Charger
Designed for stability and safety, this charger supports a wide range of output voltages including 16.8V, 21V, 25.2V, 29.4V, and 33.6V, making it ideal for various battery pack configurations.
Feature Details
ProtectionsShort Circuit / Over Current / Over Voltage
Leakage Current0.25mA Max. at 264VAC input
No Load Power<0.3W
Working Temp-20°C to 50°C
Working Humidity5%-90% RH non-condensing
MTBF100,000 hours minimum at full load (25°C)
LED IndicatorRed: Charging; Green: Idle/Fully Charged

Model Comparison & Details

Model DC Voltage Rated Current Current Range Rated Power
YS25-168200016.8V2000mA100-2000mA33.6W
YS25-210150021V1500mA100-1500mA31.5W
YS25-252120025.2V1200mA100-1200mA30.24W
YS25-294100029.4V1000mA100-1000mA29.4W
YS25-336100033.6V1000mA100-1000mA33.6W

Product Showcase

Certification Banner

Manufacturing Excellence

✅ Industry Experience: Established in 1996, specializing in switching power adapters, transformers, and chargers.

✅ Advanced Facility: Operating within a 15,000 square meter facility with over 600 skilled employees and 12 high-frequency transformer production lines.

✅ Technology Driven: Equipped with advanced Panasonic high-speed SMT sets, lead-free wave soldering machines, and 16 large plastic injection machines.

✅ Global Quality: Certified by ISO9001:2000, with product approvals including CE, EMC, RoHS, REACH, UL, TUV, and CCC.

Factory Workshop Production Process

Frequently Asked Questions

What do the LED indicators on the charger mean?
The LED indicator shows red when the battery is actively charging and turns green when the charger is idle or the battery is fully charged.
Does this charger have built-in safety protections?
Yes, the charger includes multiple protection features: Short Circuit Protection (SCP), Over Current Protection (OCP), and Over Voltage Protection (OVP).
What is the input voltage range for international use?
The charger supports a universal input voltage of 100-240VAC at 50/60Hz, making it suitable for use in most countries with the appropriate plug adapter.
What types of batteries is the YS25 series compatible with?
It is primarily designed for Li-Ion and NI-MH battery packs, with output options ranging from 16.8V to 33.6V depending on the specific model.
Is this charger certified for safety standards?
Yes, our products carry major international certifications including CE, TUV, RoHS, CCC, and comply with LVD EN 60335 standards.
What is the durability rating (MTBF) of the unit?
The charger has a Mean Time Between Failures (MTBF) of at least 100,000 hours when operated at a full load in a 25°C ambient environment.

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