# 6V 4.5Ah UPS Battery for CSB CP640 — resale value

Source: JunkPal price guide — https://junkpal.ai/products/6v-4-5ah-ups-battery-for-csb-cp640-b00k8usrgq

**6V 4.5Ah UPS Battery for CSB CP640** sells for about **$12.99** new or sealed, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/6v-4-5ah-ups-battery-for-csb-cp640-b00k8usrgq

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $12.99 |

Values are medians of real closed eBay sales, updated 2026-07-22. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DUPS%2520Battery%2520CSB%2520CP640%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DUPS%2520Battery%2520CSB%2520CP640%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | Mighty Max Battery |
| Category | All Electronics |

## About

This listing is for a Mighty Max Battery, specifically a 6V 4.5Ah UPS Battery designed for the CSB CP640.

This battery is sought by users maintaining or upgrading their CSB CP640 systems.

Resale value is determined by the battery's condition and whether it is complete.

## FAQ

**What is this battery used for?**

This is a 6V 4.5Ah UPS Battery intended for use with the CSB CP640.

**What factors affect the resale value?**

The resale value is driven by the battery's overall condition and completeness.

**Is this battery compatible with other equipment?**

This specific listing is for the battery designed for the CSB CP640.

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Full price guide: https://junkpal.ai/products/6v-4-5ah-ups-battery-for-csb-cp640-b00k8usrgq
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-22, based on real sold listings (junkpal.ai)"