Futaba BR4000 - Battery/Balance Checker/Servo & Receiver Checker 
  
  This is a useful multi-battery tester for RC hobby batteries that also doubles as a USB charger! 
  
  
 Features: 
 Lithium cell checker for LiPo, LiHV, LiFe & LiIon (1-8s) 
 Lithium cell balancer for LiPo, LiHV, LiFe & LiIon batteries (1-8s) 
 USB charger (USB-A port) 
 Receiver signal test (PVM/S.BUS) 
  
 Specs: 
 Input voltage XT60i onnector: 5-15V 
 Input voltage XH 2.54 balance port (1s): Max 15V 
 Input voltage XH 2.54 balance port (2-8s): Max 4.8V per cell  
 Voltage measurement accuracy: ±0.005V @ 4.2V 
 Balancing cells accuracy: <0.005V 
 Supported USB-A charging: QC 2.0/3.0, BC1.2, max output 12V/2A  
 Size: 80x55x19mm 
 Weight: 59g 
  
 Available ports: 
 XT60i: To power the USB-A charging port (5-15V) 
 JST-XH 2.54: 1-8S balancing port 
 USB Micro B: for firmware updates 
  
 Supported batteries: 
 LiFe (Lithium Ferrite): 1-8s 
 LiPo/LiHV (Lithium Polymer): 1-8s 
 LiIon (Lithium Ion): 1-8s 
 NiCd (Nickel Cadmium): 3-10 cells 
 NiMH (Nickel Metal Hydride): 3-10 cells