Specifications

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Pulse Charger
Pulse charging techniques were pioneered at the turn of the 20th Century with the last significant patent issued in
1967. The patent has now expired and a variety of pulse chargers are available from a number of manufacturers.
The pulse charger works by subjecting the battery to a sequence of pre-programmed current pulses. The
advantage of the pulse charger is that it provides for rest periods during charge.
This type of charger can also help to break down dendrite growth, a contributor to the memory effect. However
pulse chargers do not take into account the internal state of the battery. They merely subject the battery to a
series of repetitive pulses. Some units even revert to a potentially damaging trickle charge once the battery
approaches full capacity.
Benefits
Drawbacks
 Shorter charge times
 Reduces memory effect
 No feed back or control
 Repetitive charge sequence
 Poor or no conditioning process
 Long formation times
 Can require user discipline
Charge profile for pulse charger showing uniform pulse widths & height