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Boss CAP8

8 Farad Digital Hybrid Capacitor with Blue Illumination

  • 4.5

(16 reviews)

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  • Free USPS Priority Mail to the 48 statesdetails

Price Information

$159.99

–$90.00

$69.99

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I want to thank Kyle at the customer service desk, he is one of the best. Along with the items I ordered Sonic Electronicx.com is so reliable I will tell everyone. Web site is easy, all around a winner.

- Steven from Silver Creek, NY

See more…
  • 8 Farad Digital Hybrid Capacitor with Blue Illumination
  • 3-Digit, super bright LED voltage meter
  • Voltage measure accurate to +/- 0.1VDC
  • Blue illuminated window with light following played music
  • Automatic sleep status when volume is low or there is no voltage variation present
  • Warning tones for reverse polarity connection, over voltage (>17VDC), or low battery voltage (<10VDC)
  • Working voltage: 16VDC
  • Surge voltage: 20VDC
  • ESR (Equivalent Series Resistance): 0.015 ohm @ 120Hz, 25°C
  • Capacitance tolerance: +/- 10%
  • Dimensions: 9-1/8"L x 5-1/2"W x 2-1/2"H
  • 1-year Manufacturer's warranty
Capacitor Specifications
Capacitance (farads) 8 farads
LCD Meter Display Yes
Maximum Input Gauge Size Any Gauge with use of Ring Terminal AWG
Maximum Output Gauge Size Any Gauge with use of Ring Terminal AWG
Built-In Distribution Block No
Primary Color Chrome
Secondary Color Black
Illumination Blue
Width 5-1/2"
Height 2-1/2"
Depth 9-1/8"
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
Customer Review Summary for Boss CAP8
Average Customer Rating is 4.5 out of 5 stars:
  • 4.5
based on 16 Reviews
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Rating Distribution:
5 star:
.
.
 56%
4 star:
.
.
 38%
3 star:
.
.
 6%
2 star:
.
 0%
1 star:
.
 0%
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Average Attributes Rating:
Durability
  • 4.6
 4.6
Value
  • 4.6
 4.6
Features
  • 4.4
 4.4
Design
  • 4.9
 4.9
Usability
  • 4.8
 4.8
what's this?
Quick Comparison:
Most helpful favorable review vs. Most helpful critical review
Most Helpful Customer Reviews:
March 6, 2013 Product Review
Review by
Lindsay from Edmonton Alberta, Canada
Overall
  • 4.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 3.0
Design
  • 5.0
Usability
  • 5.0
I had a custom made box for for 2 10's made for my F-150 this cap looks awesome just peeking out from under my seat. Has a light rattle but nothing turning it up can't fix
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March 4, 2013 Awesome
Review by
Vaughn from Burnaby, BC, Canada
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
SO good for the price, The battery in my RSX is quite small, this supplement's it well reducing the load on my alternator. Passive mode is super neat. (Shuts off when not needed) Need's a chassis ground to work and remote turn on signal.
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January 15, 2013 Good value
Review by
Karamchand poonai from toronto,ontario, Canada
Overall
  • 5.0
Durability
  • 5.0
Value
  • 4.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
The product was very good ,for the price it was worth it ,its actually the best product i used so far i been shopping online....so yes i would recomend it to anyone and to shop on this website...
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January 4, 2013 Works great
Review by
MIKE from Warwick, RI
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
Cheap, good looking and keeps the power stable in my beat down 93 accord. No lights dimming, no alternator / battery fail so im very pleased with it.
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October 28, 2012 it works
Review by
na8t from oxford OH
Overall
  • 4.0
Durability
  • 4.0
Value
  • 5.0
Features
  • 3.0
Design
  • 4.0
Usability
  • 5.0
I have a punch 500x2 and a RF 300x4 on it and it keeps up with them
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View All 16 Reviews for Boss CAP8
Ring Terminals
Use these ring terminals to connect the power and ground cable to the capacitor. The more surface area the ring terminal has to the capacitor's terminal, the better the connection will be.
  Product Price Add?
Scosche Ring Terminal (1/0 AWG) Scosche Ring Terminal (1/0 AWG)
Pair of 1/0 AWG ring terminals with 3/8" hole and red and black insulating sleeves. 		$3.99
Streetwires Ring Terminals (1/0 AWG) Streetwires Ring Terminals (1/0 AWG)
Pair of 1/0 AWG set screw power ring terminals. 		$16.99
Resistors
Before a capacitor is connected directly to the 12V source, it must be charged. Using one of these resistors will allow you to safely charge your capacitor.
  Product Price Add?
Directed DEI Resistors (15-Pack) Directed DEI Resistors (15-Pack)
Pack of resistors with various values (ohms) perfect for the initial charge of your capacitor. 		$1.99
Main Product
  Product Price Add?
Boss CAP8 Boss CAP8 $69.99
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Boss CAP18
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Product Summary

Manufacturer: Boss
Model number: CAP8
UPC: 791489108973
Weight: 5.00 lbs
Internal SKU: cap8
Internal product ID: 13316