21V Battery Protection Circuit Board – PCB with Heat Dissipation
21V Battery Protection Circuit Board – Stable, Safe & Efficient
Keep your power tools and portable electronics running smoothly with this 21V Battery Protection Circuit Board (PCB). Engineered for precise current control and built-in safety mechanisms, this compact board is the ideal upgrade or replacement for a wide range of DeWalt DCD and DCF series tools.
Made in Mainland China.
Key Features
- Stable Current Output: Precise control technology ensures consistent power delivery to connected devices, including outdoor photography lights and portable electronics.
- Efficient Heat Dissipation: PCB construction promotes low-temperature operation even under heavy loads, maintaining peak performance in high-frequency electronic environments.
- Overcharge & Over-Discharge Protection: Intelligent safeguards actively extend battery life by preventing damaging charge cycles.
- Overcurrent & Short Circuit Protection: Built-in safety mechanisms provide comprehensive protection for consumer electronics operating in complex environments.
- Space-Saving Design: Compact, tool-free installation makes this board easy to integrate into a wide variety of devices — perfect for electronics enthusiasts and DIYers.
- Multi-Battery Compatibility: Supports multiple battery types, making it a versatile solution for power tools and portable devices.
Specifications
- Material: PCB
- Voltage: 21V
- Output Power: 150–500W (including 500W)
- Voltage Range: High voltage (50–1000V DC / 75–1000V AC)
- Length A: Approx. 5.12 in (13 cm)
- Length B: Approx. 3.94 in (10 cm)
- Reusability: Reusable
- Model Number: 02DD13AC810535
Compatible Models
DCD Series: DCD740, DCD740B, DCD740C1, DCD740N, DCD780, DCD780B, DCD78032, DCD787, DCD7880L2, DCD75dn, DCD980L2, DCD980M2
DCF Series: DCF885C2, DCF883L2, DCF883B, DCF880, DCF870M2, DCF883B, DCF885B, DCF888, DCF895C2, DCF895L2, DCF895N2
Package Includes
- 1× 21V Battery Protection Plate
Note: Please allow 1–2 cm variance due to manual measurement. Colors may vary slightly between monitors and the actual product.
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Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What devices is this 21V battery protection circuit board compatible with?
A: This PCB protection board is compatible with a wide range of DeWalt DCD and DCF series power tools, including the DCD740, DCD780, DCD980L2, DCF885C2, DCF895C2, and many more. Please check the full compatibility list above before purchasing.
Q: Does this board protect against overcharge and short circuits?
A: Yes. The board features built-in overcharge, over-discharge, overcurrent, and short circuit protection mechanisms, making it a comprehensive safety solution for your battery-powered devices.
Q: Is a battery included with this circuit board?
A: No, the battery is not included. The package contains only the 21V battery protection plate. However, a charger is included with the kit.
Q: How difficult is installation?
A: The board features a space-saving, tool-free installation design, making it straightforward for electronics enthusiasts and those comfortable with DIY electronics work.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.