1、Check the power
Firstly, calculate the total power of all your appliances (e.g. refrigerator 200W+TV 150W+rice cooker 800W=1150W).
Choose an inverter with a rated power that is more than 20% higher than the total power (1150W × 1.2=1380W → recommended 1500W or greater).
Too small=unable to move equipment; Too big=a waste of money.
2、Don't forget about surge power
Some appliances, such as refrigerators, water pumps, or motors, require 2-3 times the power to start.
Be sure to check the surge power of the inverter to ensure that it can withstand the impact at the moment of startup!
3、Choose the appropriate waveform
Pure sine wave: stable, just like mains power. Safe for televisions, refrigerators, microwaves, and fans. The price is slightly higher.
Correct sine wave: cheaper! But there may be noise, which may cause the fan speed to slow down or the charger to heat up.
If you want to run multiple household appliances, for peace of mind, please choose pure sine wave.
4、Safety first
There must be overvoltage, overload, overheating, and short circuit protection.
Choose an inverter with an automatic start stop cooling fan and an aluminum alloy casing for better cooling performance.
Check if there is security certification.
Additional features
LED display screen: Real time monitoring of voltage and electricity consumption.
USB fast charging port: super convenient for charging mobile phones/tablets.
APP remote control: High end models support monitoring through mobile phone systems - very suitable for solar energy devices.
Remember: a good inverter=reliable power+more durable appliances.
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