---
product_id: 22029060
title: "Welthink 16804 400W HPS and Metal Halide Electronic Ballast, Pack of 4"
brand: "welthink"
price: "34905371₫"
currency: VND
in_stock: false
url: https://www.desertcart.vn/products/22029060-welthink-16804-400w-hps-and-metal-halide-electronic-ballast-pack
store_origin: VN
region: Vietnam
---

# Welthink 16804 400W HPS and Metal Halide Electronic Ballast, Pack of 4

**Brand:** welthink
**Price:** 34905371₫
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Welthink 16804 400W HPS and Metal Halide Electronic Ballast, Pack of 4 by welthink
- **How much does it cost?** 34905371₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/22029060-welthink-16804-400w-hps-and-metal-halide-electronic-ballast-pack)

## Best For

- welthink enthusiasts

## Why This Product

- Trusted welthink brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

400W HPSMH Electronic Ballast High power factor PF0.99 Low harmonic General harmonic THD 10. ULCUL listed.Features. Match HPS and MH lamps automatically. High light efficiency. Low power consumption. Constant power output Constant power and light output when voltage varies between -15-Plus15 of rating voltage. Protection functions Open circuit and short circuit protection.. Easy installation Easy to hang the lamp No need any external starter and compensation capacitor. Completely silent No humming and buzzing. Working temperature -10Degree C-Plus40Degree C. Approval UL CUL EMC RoHS. Dimension - 16 x 11 x 13 in.SpecificationsData is based on operating a standard 400W MHHPS lamp on a typical commercial 120V60Hz power supply.

## Features

- Match HPS and MH lamps automatically
- High light efficiency
- Constant power output: Constant power and light output when voltage varies between -15%-Plus15%
- Protection functions: Open circuit and short circuit protection.

## Images

![Welthink 16804 400W HPS and Metal Halide Electronic Ballast, Pack of 4 - Image 1](http://ecx.images-amazon.com/images/I/41mDE2wdScL.jpg)

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**Shop now:** [https://www.desertcart.vn/products/22029060-welthink-16804-400w-hps-and-metal-halide-electronic-ballast-pack](https://www.desertcart.vn/products/22029060-welthink-16804-400w-hps-and-metal-halide-electronic-ballast-pack)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-04-23*