---
title: "SpaceX Developing Starlink V4 Satellites: Focus on Power System and Cooling"
description: "SpaceX is developing Starlink V4 satellites, focusing on strengthening the power system and improving cooling. Overnight, Starship successfully launched a batch of V3 spacecraft into orbit."
date: 2026-11-14T12:58:44.826Z
lang: en
url: https://xab.info/en/posts/spacex-developing-starlink-v4-power-cooling
tags: [spacex, starlink, starlink-v4, starship, satellite-internet, space]
author: "Alexander Buran"
publisher: "XAB.info"
---

# SpaceX Developing Starlink V4 Satellites: Focus on Power System and Cooling

![Starship rocket body against the Earth's curve and bright sun in space](https://xab.info/media/2026/11/14/spacex-razrabatyvaet-starlink-v4-s-uvelichenoj-moshchnostyu-i-ohlazhdeniem/spacex-razrabatyvaet-starlink-v4-s-uvelichenoj-moshchnostyu-i-ohlazhdeniem-1.webp)

## Key Points

- SpaceX is developing Starlink V4 satellites focusing on increased power system capacity and improved cooling.
- The main challenge is accommodating a more powerful power plant while ensuring efficient heat rejection.
- The upgrades aim to handle higher loads and support growing network bandwidth requirements.
- The company has not disclosed the exact technical parameters or the timeline for V4's orbital debut.
- On the night of November 14, Starship successfully deployed a batch of Starlink V3 satellites into orbit.

SpaceX continues its work on next-generation Starlink satellites — the fourth version (V4). The company has not yet disclosed detailed technical specifications of the future spacecraft, but has already outlined two key development areas: increasing power system capacity and improving the cooling system. These two components essentially set the performance ceiling for the new generation of satellites.

### The Main Engineering Challenge

SpaceX notes that the central difficulty of the project is mounting a more powerful power generation plant on the satellites while simultaneously ensuring efficient heat rejection. As on-board loads increase, thermal management becomes a critical factor for satellite reliability and orbital lifespan, which is why the power system and cooling are viewed as an integrated system rather than separate components.

### Why Starlink Network Needs This

These upgrades are directly tied to the further expansion of the Starlink network. The new spacecraft are expected to handle higher loads and support growing network bandwidth requirements. Increasing power capacity and improving cooling create a technological margin that will allow the satellites' functionality to expand without losing the overall stability of the network.

### What Is Already in Orbit

Practical network expansion is proceeding in parallel with next-generation development: launched on the night of November 14, Starship successfully deployed another batch of Starlink V3 satellites into orbit. Orbital footage accompanying the launch captures the Starship spacecraft against the glowing Earth's limb — a signature perspective regularly published by the company during launches.

### What Remains Unknown

SpaceX has not announced specific timelines for the appearance of the first V4 satellites in orbit, nor their exact technical parameters. The company limits itself to indicating strategic directions — power system and cooling — leaving detailed specifications and schedules for subsequent announcements.

## Fact-Check & Sources

- [Спутники Starlink V4 с увеличенной мощностью и улучшенным охлаждением на подходе](https://www.ixbt.com/news/2026/11/14/sputniki-starlink-v4-s-uvelicennoi-moshhnostiu-i-ulucsennym-oxlazdeniem-na-podxode.html) - Primary source: Starlink V4 development, two focus areas (power system, cooling), heat rejection complexity, connection to bandwidth, undisclosed timelines/parameters, nighttime Starship launch with V3.
- [SpaceX показала уникальные кадры с орбиты как спутники Starlink помогают искать проблемы у Starship](https://www.ixbt.com/news/2026/08/01/spacex-starlink-starship.html) - Used as context: orbital footage of Starship and operations of Starlink V3 satellites; does not contradict the core facts.

## FAQ

### What is known about Starlink V4 satellites?

SpaceX has confirmed work on the fourth version of Starlink satellites, highlighting two key areas: increasing power system capacity and improving the cooling system. Detailed technical parameters have not been disclosed.

### What is the main challenge in developing V4?

According to SpaceX, the primary challenge is mounting a more powerful power generation plant while simultaneously ensuring efficient heat rejection.

### When will V4 satellites appear in orbit?

The company has not specified exact timelines for when the first V4 satellites will enter orbit.

### What happened with Starship on the night of November 14?

The launched Starship successfully delivered a batch of Starlink V3 satellites into orbit.