My NiMH pack is not warm, and the charger still keeps cutting off. Now what?
*A: Most ‘smart’ chargers employ some form of ‘peak detection’ circuit… this or cruddy charger cabling (leads too long or too light guage, worn connectors and plugs, etc) is usually the culprit. Replace your charger cords and on-board switches every few seasons and use decent quality field gear. If the pre-mature cutoff persists, (the pack is not warm) try charging the pack DIRECTLY instead of through the Tx charge port or the Rx pack charge port/switch. If cycling confirms that indeed, the charger has shut off early you can attempt to get around the chargers peak detection circuit by using a higher Mv cutoff point or by using a different charge sub-routine, like using the Nicad charge routine instead of NiMh routine (higher Mv cutoff). Again, as always, don’t check your brain at the door. Check the temp often and stop charging when the pack warms up… since your charger ‘detection’ circuitry is being by-passed in this work around, you become the control system. I suggest you check out
*A: Most ‘smart’ chargers employ some form of ‘peak detection’ circuit… this or cruddy charger cabling (leads too long or too light guage, worn connectors and plugs, etc) is usually the culprit. Replace your charger cords and on-board switches every few seasons and use decent quality field gear. If the pre-mature cutoff persists, (the pack is not warm) try charging the pack DIRECTLY instead of through the Tx charge port or the Rx pack charge port/switch. If cycling confirms that indeed, the charger has shut off early you can attempt to get around the chargers peak detection circuit by using a higher Mv cutoff point or by using a different charge sub-routine, like using the Nicad charge routine instead of NiMh routine (higher Mv cutoff). Again, as always, don’t check your brain at the door. Check the temp often and stop charging when the pack warms up… since your charger ‘detection’ circuitry is being by-passed in this work around, you become the control system. I suggest you check out
