Thunder Power TP820CD Dual Port DC Battery Charger/Discharger/Cycler/Balancer

The Thunder Power TP820CD is a professional-grade dual-port DC battery charger, discharger, cycler, and balancer designed primarily for RC hobby batteries and other rechargeable battery packs. It was a high-end charger in its class and remains popular among RC enthusiasts.

Key Specifications

• Dual independent charging ports
• Up to 20A charge current per port
• Up to 800W total charging power (400W per port)
• Supports:
  • LiPo, Li-Ion, LiFe (A123): 1–8 cells
  • NiCd / NiMH: 1–24 cells
  • Lead-acid (Pb): 6–30V
• Built-in cell balancing for lithium batteries
• Storage charge/discharge mode
• Internal resistance measurement
• Data logging and monitoring functions
• USB firmware update capability
• Input power: 10.5–28V DC (requires an external DC power supply)

Features

• Charge two different batteries simultaneously.
• Balance lithium cells during charging for improved safety.
• Charge, discharge, cycle, and store batteries.
• Suitable for large RC airplane, helicopter, drone, and vehicle battery packs.
• Compact aluminum housing with dual cooling fans.