Zephyr Batteries
Zephyr Batteries in stock and at the lowest price. Lead-acid batteries are producing hydrogen when they are charging, that is why Zephyr produces a ventilation system, Power Vent that controls battery box venting, removing hydrogen gas while reducing cold air infiltration into the box. Is very important to have a vent solution when battery boxes are placed in basements or garages.
Zephyr Power vent 12V
Price:$66.18
Lead-acid batteries produce hydrogen
gas when charging. But if the
battery box is left open to vent gas
in cold climates, the batteries get too
cold ...
Zephyr Power vent 48V
Price:$94.34
Lead-acid batteries produce hydrogen
gas when charging. But if the
battery box is left open to vent gas
in cold climates, the batteries get too
cold ...
Zephyr Power vent 24V
Price:$66.18
Lead-acid batteries produce hydrogen
gas when charging. But if the
battery box is left open to vent gas
in cold climates, the batteries get too
cold ...
Hydrometer float type
Price:$6.19
Reads actual specific gravity for an
accurate measurement of battery
state of charge. Float type has builtin
thermometer for temperature correction. 
Hydrometer dial type
Price:$5.53
Reads actual specific gravity for an accurate measurement of battery state of charge. Float type has builtin thermometer for temperature correction. 
