This is the Futaba BR-2000 Battery Checker/Discharger.
Checks NiCd and NiMH receiver batteries and 1 cell
Li-Ion batteries (voltage display only).
FEATURES: Displays voltage and charge level
Discharge function is adjustable from 1-3 (slow to fast)
amps
Red (danger), Orange (caution), and Blue (safe), zones on the
circular graph clearly indicate voltage status
Auto shut off, and built-in fan
Accepts Futaba J style input plug
Uses receiver package voltage to operate
Can be used with 4.8, 6.0 and 7.2V packs (not with 8.4V or 9.6V Tx)
One year limited warranty
INCLUDES: One Futaba Receiver Battery BR-2000
One Futaba J connector with male and female ends
Small screwdriver
Futaba warranty card
Instruction sheet
SPECS: Length: 3" (77mm)
Width: 3" (77mm)
Height: 1-1/4" (26mm)
Weight: 4.40oz (125g)