
MEITRACK TA255 series of products Solar Asset Tracker User Guide
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charging time
Charging time of the tracker: 6–7 hours
Charging time of the tracker and battery box 1: 13–15 hours
Charging time of the tracker and battery box 2: 13–15 hours
Note: If the battery power is low, it may affect positioning and data transmission of the tracker. So you need to charge
the battery before using.
6Charging mode and charging time LED Indicator
6.1 Charging LED Indicator
Power LED indicator (red) Description
Steady off The battery is low, the tracker is in sleep mode, or the tracker stops
charging.
Steady on The tracker is charging. (When the tracker is supplied power with an
external power supply or with the solar panel, the red LED indicator is on.)
LED Indicator(blue) Description
0.5 seconds on and 0.5 seconds off
(one cycle every 1 second)
The tracker is charging, and the battery power is in the range of 0 to 50%.
When the battery power reaches 70%, the LED indicator stops blinking.
1 second on and 1 second off The tracker is charging, and the battery power is in the range of 51% to 60%.
When the battery power reaches 70%, the LED indicator stops blinking.
2 seconds on and 1 second off The tracker is charging, and the battery power is in the range of 61% to 70%.
When the battery power reaches 70%, the LED indicator stops blinking.
Steady on When the battery power is greater than or equal to 70%, the LED indicator
is steady on.
LED Indicator(green) Description
0.5 seconds on and 0.5 seconds off
(one cycle every 1 second)
The tracker is charging, and the battery power is in the range of 71% to 80%.
When the battery power reaches 98%, the LED indicator stops blinking.
1 second on and 1 second off The tracker is charging, and the battery power is in the range of 81% to 90%.
When the battery power reaches 98%, the LED indicator stops blinking.
2 seconds on and 1 second off The tracker is charging, and the battery power is in the range of 91% to 98%.
When the battery power reaches 98%, the LED indicator stops blinking.
Steady on When the battery power is greater than or equal to 98%, the LED indicator
is steady on.
Note: The three LED indicators are steady on. The battery power is full.
6.2 Device Status LED Indicator
GPS LED indicator (blue) Description
Blink fast (once every 0.1 seconds) The tracker is being initialized.