---
product_id: 5256538
title: "Energy Miser FE-IISB-23W-65K - 23 Watt CFL Light Bulb - Compact Fluorescent - T2-100 W Equal - 6500K Full Spectrum Daylight - 80 CRI - 70 Lumens per Watt"
brand: "longstar"
price: "$2.75"
currency: USD
in_stock: true
reviews_count: 8
url: https://www.desertcart.us/products/5256538-energy-miser-fe-iisb-23w-65k-23-watt-cfl-light
store_origin: US
region: United States of America
---

# 10,000+ Hours 1600 Lumens 23W Power Energy Miser FE-IISB-23W-65K - 23 Watt CFL Light Bulb - Compact Fluorescent - T2-100 W Equal - 6500K Full Spectrum Daylight - 80 CRI - 70 Lumens per Watt

**Brand:** longstar
**Price:** $2.75
**Availability:** ✅ In Stock

## Summary

> 🌟 Light Up Your Life with Energy Efficiency!

## Quick Answers

- **What is this?** Energy Miser FE-IISB-23W-65K - 23 Watt CFL Light Bulb - Compact Fluorescent - T2-100 W Equal - 6500K Full Spectrum Daylight - 80 CRI - 70 Lumens per Watt by longstar
- **How much does it cost?** $2.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/5256538-energy-miser-fe-iisb-23w-65k-23-watt-cfl-light)

## Best For

- longstar enthusiasts

## Why This Product

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

## Key Features

- • **High Color Rendering:** With an 80 CRI, colors appear more vivid and true to life.
- • **Illuminate Your Space:** Experience the brilliance of 1600 lumens, perfect for any environment.
- • **Eco-Friendly Efficiency:** Save energy with a mere 23 watts while achieving a 100W equivalent output.
- • **Full Spectrum Brilliance:** 6500K color temperature mimics natural daylight, ideal for plant growth.
- • **Long-Lasting Performance:** Enjoy over 10,000 hours of vibrant lighting without frequent replacements.

## Overview

The Energy Miser FE-IISB-23W-65K is a compact fluorescent light bulb that delivers a powerful 1600 lumens while consuming only 23 watts. Designed for longevity with a lifespan of over 10,000 hours, this bulb offers a full spectrum daylight experience at 6500K, making it perfect for both home and industrial settings. Its high color rendering index (CRI) of 80 ensures that colors appear vibrant and true, making it an excellent choice for plant growth and enhancing any space.

## Description

Brand Energy Miser - Wattage 23 Watt - Voltage 120 - Bulb Color Full Spectrum Daylight - Base Type Medium E26 - Color Temperature 6500 Kelvin - Length 4.53 in. - Incandescent Equal 100 Watt - Life Hours 10000 - Lumens Initial 1600 -

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Longstar |
| Light Type | CFL |
| Special Feature | Full Spectrum |
| Wattage | 23 watts |
| Bulb Shape Size | T2 |
| Bulb Base | E26 |
| Specific Uses For Product | Lamp |
| Light Color | Daylight White |
| Voltage | 120 Volts |
| Unit Count | 1 Count |
| Color Temperature | 6500 Kelvin |
| Number of Items | 1 |
| Brightness | 1600 Lumen |
| Shape | E26 |
| Color Rendering Index | 80 |
| Item Package Quantity | 1 |
| Light Source Type | CFL, Fluorescent |
| Light Source Wattage | 23 Watts |
| Control Method | App |
| Manufacturer | Energy Miser |
| UPC | 836701001356 |
| Light Output Maximum | 1600 Lumens |
| Part Number | FE-IISB-23W-65K |
| Item Weight | 0.634 ounces |
| Product Dimensions | 2.5 x 5 x 2.5 inches |
| Item model number | FE-IISB-23W |
| Is Discontinued By Manufacturer | No |
| Assembled Height | 2.5 inches |
| Assembled Length | 2.5 inches |
| Assembled Width | 5 inches |
| Special Features | Full Spectrum |
| Batteries Included? | No |
| Batteries Required? | No |
| Wattage | 23 Watts |

## Product Details

- **Brand:** Longstar
- **Light Type:** CFL
- **Special Feature:** Full Spectrum
- **Wattage:** 23 watts
- **Bulb Shape Size:** T2

## Images

![Energy Miser FE-IISB-23W-65K - 23 Watt CFL Light Bulb - Compact Fluorescent - T2-100 W Equal - 6500K Full Spectrum Daylight - 80 CRI - 70 Lumens per Watt - Image 1](https://m.media-amazon.com/images/I/715LgNeprML.jpg)
![Energy Miser FE-IISB-23W-65K - 23 Watt CFL Light Bulb - Compact Fluorescent - T2-100 W Equal - 6500K Full Spectrum Daylight - 80 CRI - 70 Lumens per Watt - Image 2](https://m.media-amazon.com/images/I/81PcuMT6ggL.jpg)
![Energy Miser FE-IISB-23W-65K - 23 Watt CFL Light Bulb - Compact Fluorescent - T2-100 W Equal - 6500K Full Spectrum Daylight - 80 CRI - 70 Lumens per Watt - Image 3](https://m.media-amazon.com/images/I/81r2aMOLLCL.jpg)
![Energy Miser FE-IISB-23W-65K - 23 Watt CFL Light Bulb - Compact Fluorescent - T2-100 W Equal - 6500K Full Spectrum Daylight - 80 CRI - 70 Lumens per Watt - Image 4](https://m.media-amazon.com/images/I/71T4aT7KY8L.jpg)
![Energy Miser FE-IISB-23W-65K - 23 Watt CFL Light Bulb - Compact Fluorescent - T2-100 W Equal - 6500K Full Spectrum Daylight - 80 CRI - 70 Lumens per Watt - Image 5](https://m.media-amazon.com/images/I/816aVwnxaJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Full product information
*by A***R on July 31, 2012*

These bulbs are rebadged in the product description. The bulb actually received is as follows (copying from the package & bulb):"""Longstar Compact Fluorescent LampSuper Day LightFull SpectrumBrightness: 1600 lumensEstimated Energy Cost: $2.77Energy Used: 23 WattsAverage Life: 10000 HoursEstimated Yearly Energy Cost, Based on 3 hrs/day, 11 cents/kWh, Cost depends on rates and useLife: 9 years, Based on 3 hrs/dayLight Appearance: 6500KEnergy Used: 23 wattsContains Mercury: For more on clean up and safe disposal, visit epa.gov/cflFE-IISB-23W23WE266500K120V60Hz420mA8-36701-00135-6Made in ChinaCAUTION:- Risk of electric shock - use only in dry locations.- Not for use where exposed to the weather.- Not for use in totally enclosed fixtures.- Not for use with timers, photocells, dimmers, and motion control devices.- This device is not intended for use with emergency exit fixtures or emergency exit lights.- This device may cause interference with radios, televisions, telephones or remote controls. If interference occurs, move this device away from or plug into another outlet.- Optimum operating temperature 5F (-15C) to 122F(50C).- Light output has more than 5% decrease when used in base down position than in base up position."""I like the bulbs. They are indeed closer to "daylight" than the EcoSmart 4000K bulbs I had been using from Home Depot, but I don't have the equipment to actually verify the color temperature or brightness. The bulbs go to half brightness and then what appears to be full brightness in less than a second, so it should be fast enough for you unless you need a truly instant-on bulb. Keep in mind that all CFLs can take 10-15 minutes to fully warm up and get to the rated brightness. But like I said, the bulbs subjectively appear to be fully bright within 1 second, any increases after that are small and beyond my ability to notice.

### ⭐⭐⭐⭐⭐ Like the Whiteness of the Light
*by L***M on January 6, 2012*

This bulb produces a light that is very white (high color temperature). You may or may not like this. I certainly do as it seems closer to natural daylight. I prefer it to the somewhat yellow color of incandescent light bulbs and most CFL bulbs.We have two lamps on the outside of are garage that light the driveway and front of the house. We're using these bulbs in each of the lamps. The extra whiteness seems to make everything much more visable. The lamps are run all evening and being outdoors are subject to temperatures that can get a little below freezing. So far, they've worked fine.We've only been using the bulbs a couple of months so I can't comment on their reliability. As the saying goes, so far so good.

### ⭐⭐⭐⭐⭐ Excited!
*by T***. on September 29, 2013*

I have a sump for my reef tank where I have Mangrove and Cheato plant to reduce nitrate for the tank. I have used 2700k CFL 23w to save electricity cost from the power compact 55w, and the plants died off.Finding this light bulb of 6500k, the right frequency for my plants, I am excited. It arrived within a few days and it was very bright compared to my old 55w power compact bulb.All 5 bulbs turned on fine. I am excited to see how long it last (warranty for more than a year)I will post update.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-09*