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10-220V smooth voltage converter 4000W household electronic power transformer with high quality silicon

84 % of buyers enjoyed this product!
In stock
Sale Price: US $6.20
45 days Money back
45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
On-time Delivery
On-time Delivery
Guarantees: On-time Delivery 60 days


This is a AC 220V input, AC output voltage converter. The voltage is adjustable only when it’s connected with load. It’s not a transformer. So don’t try to adjust the voltage by a multimeter without connecting load.

It can be used to adjust voltage, light, speed, temperature, etc. It has strong housing to prevent it from be damaged. There’s a fuse in side.


Work voltage: AC 220V

Adjustable output voltage: AC 10-220V

Silicon type: BTA41600B

Contact capacity: 35A

Size: 88*55*38mm

Max. output power: 4000W (for resistive load). If it need to work for a long time, please reduce the load.

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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $6.20 / piece