Charging EyeLink batteries
Original
Press TEST button to check the battery power level. If charging required ...
- Plug in correct battery charge lead (#1 for #1 etc).
- GREEN Power LED will light, also ORANGE Charge LED.
- Charge LED will go out when battery is fully charged / "Complete".
Note
Make sure the battery is switched OFF when charging.
Unplug the battery once fully charged. Do not leave attached to the charger.
Do not leave a battery on charge overnight.
- Add a piece of Micropore tape to the battery front, to indicate the battery needs charging next day.
- Use a fully-charged battery for an acquisition session (if possible).
- Swap to a new battery between acquisitions.
- Put first battery on charge.
"A battery with 2-3 hours left should be fine for a short experiment. Do not risk using it for a 2-hour experiment." (SR Research).
/ ON-OFF Switch / TEST button
New
To check the current battery level, move the Battery POWER Switch to the ON position, and press the Battery level TEST button.
- There are five LEDs in the Battery Level Indicator window on top of the battery (3 GREEN, 1 ORANGE, and 1 red).
- Each LED represents approximately 20% of the battery charge.
- The Indicator is disabled during charging and when the POWER switch is OFF to prevent accidental discharge.
| LED State (With Power Switch ON and Battery Level button pressed) |
Charge State | Action to take |
|---|---|---|
| All LEDs are lit (3 GREEN plus RED and ORANGE) |
Fully charged | Ready for extended use or storage |
| 1 GREEN LED (plus RED and ORANGE) |
Less than 50% charged | Please charge |
| Only ORANGE and RED LEDs | Battery Level low, limited time remaining |
Please charge before starting further use |
| RED LED only | Critically low, may lose power in a few minutes |
Please charge as soon as possible |
| No LEDs lit | Battery completely discharged |
Please charge immediately! |
Battery #4 showing a full charge.
To Charge
- Plug in the labelled charger cable (e.g. #4) into the appropriate battery.
- Switch on the labelled (e.g. #4) Mains plug. The LEDs on the charger will display its status.
| LED | Status |
|---|---|
| RED | Charging is in progress |
| YELLOW | The battery is fully charged and is now in trickle charging mode The Mains plug can be switched off, and the charger lead disconnected from the battery |
| GREEN | Trickle charging is complete |
Typical charging time is ~4 hours (from the Battery Level showing a RED-only LED).
Note
Make sure the battery is switched OFF when charging.
Unplug the battery once fully charged. Do not leave attached to the charger.
Do not leave a battery on charge overnight.
- Add a piece of Micropore tape to the battery front, to indicate the battery needs charging next day.
- Use a fully-charged battery for an acquisition session (if possible).
- Swap to a new battery between acquisitions.
- Put first battery on charge.
"A battery with 2-3 hours left should be fine for a short experiment. Do not risk using it for a 2-hour experiment." (SR Research).
Battery #4 Charger showing a GREEN LED (indicating trickle charging is complete).