Firman P03603 Generator Battery 12v 9Ah
This 12V rechargeable sealed lead acid battery is a compatible replacement for Firman P03603 batteries. The voltage, capacity, and physical dimensions of this high quality battery are nearly identical to the Firman P03603 battery used in Firman portable generators. The manufacturer of this battery has ISO9001 and ISO14001 certification with UL and CE approvals.
| Chemistry: | Sealed Lead Acid |
| Nominal Voltage: | 12v |
| Nominal Capacity: | 9Ah |
| Dimensions (In.): | 5.95 x 2.56 x 3.70 |
| Terminals: | Tin plated brass posts with nut & bolt fasteners |
| Weight (lbs): | 6 |
| Warranty: | 12 months |
| Condition: | Brand New |
| Notes: | 3-5 Years Design Life |
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
Overall Rating
96%
of customers that buyfrom this merchant give
them a 4 or 5-Star rating.
September 16, 2026 by Al M. (IA, US)
“o.k. .......”
September 14, 2026 by A Reviewer (TX, US)
“Parts came up quickly on Google. Easy to decipher.”
September 13, 2026 by James S. (NC, US)
“Easy to navigate”
