---
product_id: 345987980
title: "2 Pcs for Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity"
brand: "freshsell"
price: "2485 kr"
currency: ISK
in_stock: true
category: "Freshsell"
url: https://www.desertcart.is/products/345987980-2-pcs-for-seiko-ms621fe-fl11e-3v-5-5mahr-rechargeable
store_origin: IS
region: Iceland
---

# 5.5mAh High Capacity 3V Lithium Power Rechargeable & Lead-Free 2 Pcs for Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity

**Brand:** freshsell
**Price:** 2485 kr
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your system’s memory with confidence—never lose a setting again!

## Quick Answers

- **What is this?** 2 Pcs for Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity by freshsell
- **How much does it cost?** 2485 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/345987980-2-pcs-for-seiko-ms621fe-fl11e-3v-5-5mahr-rechargeable)

## Best For

- freshsell enthusiasts

## Why This Product

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

## Key Features

- • **Error Code Fixer:** Instantly resolves CMOS checksum, system timer, and RTC errors for smooth operation.
- • **Reliable BIOS Backup:** Ensures your system clock and BIOS settings never miss a beat.
- • **Perfect Compatibility:** Tailored for Seiko MS621F & MS621FE models—plug and play peace of mind.
- • **Supercharged Longevity:** 5.5mAh capacity delivers extended uptime for critical motherboard memory.
- • **Eco-Friendly Rechargeable:** Charge anytime without memory effect—sustainable power for your tech.

## Overview

This 2-pack of 3V, 5.5mAh rechargeable lithium CMOS batteries is designed specifically for Seiko MS621F and MS621FE models. Featuring lead-free, RoHS-compliant chemistry, these batteries provide reliable BIOS backup, fix common system errors, and support sustainable recharging without memory degradation.

## Description

Features:Great Part to replace the broken and non working CMOS Battery for Genuine Seiko MS621F MS621FEThis CMOS Battery is guaranteed to work.The small amount of memory on a computer motherboard that stores the BIOS settings.To reset the BIOS settings to their default levelsNo memory effect. Chargeable even if it has not been used up yet.High capacity batteryThe real time clock battery CMOS BIOS backup battery.Will fix the following error codes: Systems battery error / System CMOS checksum bad / System Timer error / Real-Time Clock Error Compatible with:Seiko MS621F Seiko MS621FESpecifications:Battery Chemistry: LithiumVoltage - Rated: 3V Capacity: 5.5mAh @ 15µA Termination Style: Requires HolderStandard Charge Current: 15µALead Free Status: Lead FreeRoHS Status: RoHS CompliantDiameter: 0.7cm/0.28inchQuantity: 2 PcsNote:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bidDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Contents:2 Pcs x Rechargeable Battery

## Features

- ✔ 100% brand new and high quality
- ✔ Great Part to replace the broken and non working CMOS Battery for Genuine Seiko MS621F MS621FEThis CMOS Battery is guaranteed to work.The small amount of memory on a computer motherboard that stores the BIOS settings.
- ✔ To reset the BIOS settings to their default levelsNo memory effect. Chargeable even if it has not been used up yet.High capacity batteryThe real time clock battery CMOS BIOS backup battery.Will fix the following error codes: Systems battery error / System CMOS checksum bad / System Timer error / Real-Time Clock Error Compatible with:Seiko MS621F Seiko MS621FE
- ✔ Specifications:Battery Chemistry: LithiumVoltage - Rated: 3V Capacity: 5.5mAh @ 15µA Termination Style: Requires HolderStandard Charge Current: 15µALead Free Status: Lead FreeRoHS Status: RoHS CompliantDiameter: 0.7cm/0.28inch
- ✔ Quantity: 2 Pcs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07LG5FVXB |
| Best Sellers Rank | 122,511 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 2,179 in Rechargeable Household Batteries |
| Brand | Freshsell |
| Compatible Models | clock |
| Customer Reviews | 4.5 4.5 out of 5 stars (3) |
| Date First Available | 18 Dec. 2018 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Item Weight | 20 g |
| Model Number | Freshsell |
| Voltage | 3 Volts |

## Product Details

- **Battery capacity:** 5.5 Milliampere Hour (mAh)
- **Battery cell composition:** Lithium
- **Brand:** Freshsell
- **Recommended uses for product:** Clock
- **Voltage:** 3 Volts

## Images

![2 Pcs for Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity - Image 1](https://m.media-amazon.com/images/I/31EGO+6ZrHL.jpg)
![2 Pcs for Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity - Image 2](https://m.media-amazon.com/images/I/31rw7Y7Pq-L.jpg)
![2 Pcs for Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity - Image 3](https://m.media-amazon.com/images/I/41rrB24AF-L.jpg)
![2 Pcs for Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity - Image 4](https://m.media-amazon.com/images/I/519ycwrZUcL.jpg)
![2 Pcs for Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity - Image 5](https://m.media-amazon.com/images/I/51JSJUM7K4L.jpg)

## Frequently Bought Together

- 2 Pcs for Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity
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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-03-07*