Futaba BR-4000 Battery Checker 1-8 Cells

The Futaba BR-4000 is a compact, multi-function battery and balance checker with integrated servo and receiver checking capabilities. Designed for 1–8 cell packs, it supports popular chemistries including LiFe, LiPo/LiHV, LiIon, NiCd and NiMH. A precise voltage display error of ±0.005V at 4.2V helps you assess pack status with confidence, while a USB 2.0 output provides convenient power for compatible devices.

Key Features

• Battery, balance, servo and receiver checker in one unit
• Supports LiFe, LiPo/LiHV, LiIon, NiMH and NiCd chemistries
• For 1–8 cell packs
• USB 2.0 output for charging compatible devices
• Voltage display error: ±0.005V @ 4.2V
• Working voltage: 5V ~ 36V
• Compact case size: 80 x 55 x 19 mm
• Lightweight: approx. 59 g
• Colour: Black
• Futaba part number: FUT05102709-1

Built to Futaba standards, the BR-4000 helps RC enthusiasts quickly evaluate battery health and perform basic servo and receiver checks at the field or bench.