Replacement Fiamm 12FLX300 Battery 12v Sealed Rechargeable
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 |
Reviews
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4.7
Out of 5.0

Overall Rating
96%
of customers that buyfrom this merchant give
them a 4 or 5-Star rating.
October 12, 2026 by Kathy F. (WI, US)
“I wish there were lead times listed in the cart.”
October 12, 2026 by Stephen R. (NM, US)
“Easy to navigate, fai price”
October 10, 2026 by Jesse L. (TX, US)
“Easy to find what I needed, no problems checking out”

