10. Estimation of operating time
2000Wh × DOD × η ÷ (load W) = charging time
（
unit
：
h
）
Note
：
DOD is the battery discharge depth
，
η is the local inverter efficiency,
DOD=90%,η=88%
。
(4) When the battery power is discharged to 0%, the DC and AC output will automatically
turn off. Only when the battery power is charged to more than 5%, the DC and AC output
can be turned on, which is to protect the battery and enhance its cycle life.
(5) This machine supports charging and discharging simultaneously.
Smartphone
175-200Times
10W
LED Light Bulb
Television
Electronic Tools
Around 19-20hrs
80W
Refrigerator
Around 17-19hrs
90W
Slow Cooker
Around 8-9hrs
200W
Around 75-85hrs
20W
Around 20-22hrs
75W
- 10 -
Содержание EB200
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