Operation Manual

Figure 51: ET1 Battery Charging
LEDs
The ET1’s Battery Charge LED shows the status of the battery charging in the ET1. See Table 2: Battery Charge
LED Status on page 20 for charging status indications. The battery fully charges in approximately six hours.
Charge batteries in temperatures from 0 °C to 40 °C (32 °F to 104 °F). Charging is intelligently controlled by the
ET1. To accomplish this, for small periods of time, the ET1 or accessory alternately enables and disables battery
charging to keep the battery at acceptable temperatures. The ET1 indicates when charging is disabled due to abnormal
temperatures via the Battery Charge LED. See Table 2: Battery Charge LED Status on page 20.
Four-Slot Battery Charger
The Four-slot Battery Charger:
Provides 12 VDC power for charging the batteries.
Simultaneously charges up to four ET1 batteries.
82 | Accessories
February 2015 | MN000022A02-A