WATTNINE 21V 5A Lithium-Ion Battery Charger is specifically designed to charge 5S NMC lithium-ion battery packs, which have a nominal voltage of 18.5V and a full charge voltage of 21V. Built with CC (Constant Current) and CV (Constant Voltage) charging technology, this charger ensures safe, stable, and efficient charging while protecting battery health and extending lifespan.
Designed in a table-top SMPS form factor, this 105W charger features a built-in cooling fan and a durable metal enclosure for efficient heat dissipation, ensuring reliable performance during extended charging cycles. It is ideal for e-bikes, electric scooters, robotics, and DIY battery systems
Features:
- Optimized for 5S NMC lithium-ion battery packs (18.5V nominal, 21V max)
- Stable output: 21V DC @ 5A for fast and safe charging
- CC & CV charging protection for improved battery safety and longevity
- Wide input voltage: 100–240V AC, 50/60Hz
- LED indicators for Power, Charging, and Charged status
- Low ripple & low noise output for stable operation
- Durable metal body with ventilation for efficient heat dissipation
- Secure high quality DC barrel jack output for reliable connection
- Table-top design for easy and stable placement
- Built-in cooling fan for effective thermal management
- Designed for high efficiency output with built-in protection – Over-voltage protection (OVP), Over-current protection (OCP), Short-circuit protection, Thermal shutdown, Reverse Battery Protection
Specifications:
- Input Voltage: 100–240V AC, 50/60Hz
- Output Voltage: 21V DC
- Output Current: 5A Max
- Output Power: 105W
- Dimensions: 200mm x 80mm x 60mm
- Wire Length: 1.3 meters
- Charging Mode: Constant Current (CC) & Constant Voltage (CV)
- Battery Compatibility: 5S NMC Lithium-Ion Battery Packs
- Connector Type: DC Barrel Jack
- Body Material: Metal
- Country of Manufacture: India
Applications:
- Charging 5S (18.5V nominal) lithium-ion battery packs
- E-bikes and electric scooters
- Robotics and automation systems
- DIY battery packs and portable power solutions
- Energy storage and electric mobility applications
Package Includes:
1 × WATTNINE 21V 5A Lithium-Ion Battery Charger
