Lithium Battery Charging Module - DD28CRTA

Overview:
The 2-in-1 Lithium Battery Charging Module combines a lithium battery charger with a DC-DC step-down converter, designed for single or multi-cell lithium-ion, LiFePO4, or lithium titanate batteries. With adjustable output and multiple protection features, it is highly versatile and reliable for various charging and power management applications.
Features:
- Adjustable Output Voltage: DC 1.2V to 23V (configurable for 4.2V, 4.3V, 4.35V, 8.4V, 12.6V, 16.8V, 21V).
- Maximum Current: 1A (adjustable by modifying the Rcs resistor).
- Battery Protection: Over voltage protection with automatic adjustment for deeply discharged batteries.
LED Indicators:
- "CR" LED: Indicates charging status.
- "OK" LED: Signals fully charged or constant voltage mode. After light turns on, please continue charging for 10-20 minutes.
- Environmental Tolerance: Operates in temperatures ranging from -40 C to 85 C.
- Versatility: Functions as a voltage source when no battery is connected.
- Compact Design: Lightweight and easy to use.
Applications:
- Car battery charging.
- Solar-powered battery charging systems.
- Portable speakers and mobile loads.
- Electric bicycle chargers and UPS systems.
- Industrial and medical equipment.
- Handheld devices and battery backup systems.
- Stand-alone chargers for lithium-ion, LiFePO4, or lithium titanate batteries.
Specifications:
- Input Voltage: DC 6.6V - 25V.
- Output Voltage: DC 1.2V - 23V adjustable.
- Maximum Current: 1A.
- Working Temperature: -40 C to 85 C.
- Dimensions: 45mm x 20mm x 15mm.
- Weight: 7g.

What's in the box
1 x Lithium Battery Charging Module - DD28CRTA