Replacement Fiamm 12FLX300 Battery 12v Sealed Rechargeable

(0)No Reviews yet



$222.38
SKU: SWU300-12FR-12FLX300
OSI Item Number: SWU300-12FR
ID: 23200

Stock Arriving Soon

This 12v high rate valve regulated lead acid battery is a compatible replacement battery for Fiamm 12FLX300 batteries. This battery has up to 10 year design life in standby applications and 308Wpc high rate discharge capabilities make it the ideal choice to replace 12FLX300 batteries in UPS applications
Chemistry:Rechargeable Valve Regulated Lead Acid VRLA
Nominal Voltage:12v
Operating Temp Range:-40 to 149F
Discharge Watts per cell @ 25°C 1.67vpc 15min:308WPC
Terminals:M6 Insert
Dimensions (L x W x H):10.20 x 6.61 x 8.37
Weight:59.53 lbs
Design Life:10 years (standby)
Case:UL 94 V-0 Flame Retardant

Ratings & Reviews

No reviews available

Be the first to Write a Review

Reviews

We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.7
Out of 5.0
A graph showing this site's review totals.
Overall Rating
96%
of customers that buy
from this merchant give
them a 4 or 5-Star rating.
Verified Buyer
February 10, 2026 by ryan K. (CA, US)
“site is slow and no should offer DOD/LE discounts.”
Verified Buyer
February 10, 2026 by Kathy G. (GA, US)
“Simple”
Verified Buyer
February 9, 2026 by Brian J. (TN, US)
“Quick and easy”