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3D Laser Scanner

Focus S

Focus M

FARO® Knowledge Base

Battery Charging and Power Dock Charger Issues with the Focus Laser Scanner



Some customers have reported problems with charging Focus Laser Scanner batteries (ACCSS8001). Over use, time, and temperature fluctuations batteries will gradually lose their maximum capacity and its ability to hold a charge. Damaged or worn Power Dock chargers (ACCSS8002), can also cause shortened life spans or even battery failure.

Damaged Power Dock Identification

Damaged or worn latches on the Power Dock charger may allow insertion of the battery with a misalignment of the electrical contacts. Batteries which are charged in a damaged Power Dock can be damaged due to this pin misalignment. Periodically inspect your Power Dock, if any signs of wear or damage are found in the areas shown below, discontinue use immediately.

Latch Inspection Area Good Bad
Resting position of latch


Latch straight


Latch leans inward

Open position of latch


Small opening


Excessive opening

Stop Pin


Stop Pin intact


Stop Pin missing

Classification of a Battery Issue

It is important to distinguish between dead batteries, batteries that are deep discharged, and those that have reached the maximum number of charging cycles.

Dead Battery

Symptom: The battery will not charge on the Power Dock or inside the scanner, the LED will remain green or switch to cyan (light blue).

Action: Battery is no longer functional, replace.

Deep Discharged Battery:

Symptom: The LED of the Power Dock or the scanner is red or violet.

Action: The battery is in a "Deep Discharged" state. Try charging the battery inside the scanner for an entire day/overnight (minimum of 8hrs). If the battery still will not charge it should be replaced.

You may also use the Power Dock for this charging, provided the Power Dock has been inspected in the areas shown above and is verified undamaged and in proper working order.

Exhausted Battery:

Symptom: Battery charges but runtime of the scanner is greatly reduced.

Action: The battery has reached the end of its life span and will need to be replaced. The life span of a battery depends heavily on the way it is maintained. Heavy usage, extreme temperatures, and improper storage can greatly reduce the life span of a battery. Refer to Battery Best Practices and Usage Guidelines at the bottom of this article for more information on how to maximize the life of your batteries.

Battery Best Practices and Usage Guidelines

  • For best battery performance, an ambient temperature of +5°C (+41°F) to +40°C (+104°F) is recommended. In colder or warmer locations, battery performance and operation time may temporarily decrease.
  • Charge within limits of 0°C (+32°F) and +45°C (+113°F) temperature.
  • Recommended charging temperatures: +10°C (+50°F) to +30°C (+86°F).
  • Discharge within limits of -20°C (-4°F) and 60°C (140°F) temperature.
  • Recommended operating temperatures: +5°C (+41°F) to +40°C (+104°F).
  • Storage temperatures: -20°C (-4°F) to +45°C (+113°F), storage humidity range: 0% to 80%.
  • Insert or remove batteries from the laser scanner in dry and dust-free environments only.
  • Do not use wet or dirty batteries in the FARO Laser Scanner or with the charger.
  • When the FARO Laser Scanner is not in use for a longer period of time, remove the battery.
  • Store in a well ventilated area. Do not store with metal objects. A short circuit can cause a fire.
  • Charge the battery the day it is to be used or on the day before. A charged battery that is unused, will gradually lose power over time.
  • If the battery becomes exhausted quickly after being fully charged, replace it with a new one.