batt - boil
- battery analyzer
- battery box
- battery bus
- battery cable
- battery capacity
- battery charging
- battery charging circuit
- battery charging rectifier
- battery chute
- battery clip
- battery commutator
- battery compartment
- battery constant-current charge
- battery constant-voltage charge
- battery cutoff
- battery cutout
- battery cycle
- battery discharge capacity
- battery discharge prevention
- battery discharhe prevention
- battery heater
- battery leads
- battery loader
- battery local action
- battery mounting
- battery of boilers
- battery plate forming
- battery polarity
- battery room
- battery supply
- battery switchboard
- battery terminal
- battery traction
- battery-booster set
- battery-charging booster
- battery-charging generator
- battery-charging rheostat
- bay
- bayard-alpert gauge
- bayonet base
