Calibrate Nikon EN-EL18 batteries
Posted by Erick Cardenas on
Our LCH-DC-ENEL18 dual battery charger includes a Calibration function on the charger similar to the Nikon MH-26a or MH-33 chargers. The following article will help you learn when & how to calibrate the battery.
Links from Nikon:
- Battery Endurance >> https://onlinemanual.nikonimglib.com/d6/en/18_technical_notes_12.html
- Calibrating Batteries >> https://onlinemanual.nikonimglib.com/d6/en/18_technical_notes_09.html#CGEJIFAEF9
Battery Endurance
Your battery and camera will communicate the battery lifespan or endurance. This will vary based on how often you use the camera and which options or settings are selected. To maximize your battery performance, Nikon recommends the following:
- Keep your battery contacts clean.
- Use a charged battery immediately. Batteries that sit will lose charge.
- Check the condition of the battery using the [] option in the setup menu. If a CAL icon appears in the [] field, calibrate the battery in the charger.
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If the battery has not been been used for more than 6 months, then recharge after calibration is complete.
How to Calibrate a Battery
The MH-26a battery charger can detect whether batteries require calibration and calibrate them as necessary to ensure the accuracy of the battery level display. Calibration status and progress are shown by lamps on the battery charger.
If the calibration LED for the current battery chamber flashes when a battery is inserted, the battery needs to be calibrated.
To begin calibration, press the calibration button for the current chamber for about a second. The chamber light for the current battery chamber flashes while calibration is in progress.
The display can be read as follows:
Although calibration is recommended for accurate measurement of battery charge state, calibration need not be performed when the calibration lamp flashes. Once begun, calibration can be interrupted as desired.
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If the calibration button is not pressed while the calibration lamp is flashing, normal charging will begin after about ten seconds.
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To interrupt calibration, press the calibration button again. Calibration will end and charging will begin.
When calibration is complete, the calibration and charge lamps will turn off and charging will begin immediately.
Errors:
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If the “L” and “R” chamber and calibration lamps flash on and off in sequence when no battery is inserted…
…there is a problem with the charger. Unplug the charger and contact us. -
If the “L” and “R” chamber and calibration lamps flash on and off in sequence when a battery is inserted…
…a problem has occurred with the battery or charger during charging. Remove the battery, unplug the charger, and contact us.
Charging and Calibrating Two Batteries
If batteries are inserted in both chambers, they will be charged in the order inserted. If a calibration button is pressed when either calibration lamp is flashing, the charger will calibrate and then charge whichever of the batteries was the first to be inserted. The second battery cannot be calibrated or charged until the process is complete.
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