Anker
BAT-UT
Battery Under-Temperature
Battery module temperature too low for charging. Charging paused to protect cells; discharging may continue at reduced rate.
Common causes
Cold installation location (garage or outdoor enclosure in winter)Ambient below 0 C
What to check
STEP 1
Check ambient temperature at battery -- LFP cells cannot charge below 0 C
STEP 2
Move battery to a warmer location if possible, or insulate the space
Escalate if
Ambient temperature within operating range but fault persists -- contact Anker support
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