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The Interstate 12V 100Ah 825CCA Dual Purpose Pure Lead AGM Battery (Group 31M) is engineered for marine and RV use, combining high cranking amps with deep-cycle endurance. Its spill-proof AGM design and advanced pure lead technology deliver 2-3 times longer life than standard batteries, ensuring reliable starts and sustained power for all your onboard electronics. Built tough for rugged conditions and backed by decades of trusted performance, this battery keeps you moving and connected on every adventure.
| ASIN | B0BHTT7K4J |
| Battery Cell Composition | Sealed Lead Acid |
| Battery Type | Sealed Lead Acid |
| Best Sellers Rank | #8,260 in Automotive ( See Top 100 in Automotive ) #25 in Automotive Replacement Batteries |
| Brand | Interstate Batteries |
| Brand Name | Interstate Batteries |
| Compatible with Vehicle Type | Trailer |
| Customer Reviews | 4.6 out of 5 stars 46 Reviews |
| Item Weight | 64.5 Pounds |
| Manufacturer | Interstate Batteries |
| Manufacturer Part Number | 8-31MAGMDC |
| Manufacturer Warranty Description | 2 Year Manufacturer |
| Size | Group 31M |
| Terminal | Marine Terminal |
| Vehicle Service Type | Trailer |
| Voltage | 12 Volts |
E**N
Perfect battery for the boat
High quality battery that has never left me stranded. Even after leaving my boat moored for an extended period of time, cranked over with all the expected power. I guess the best compliment to the battery is after installing it, I never had to think about it again.
M**.
Excellent product!!
Bought two of these for my RV and they outperformed the original battery many times over. Very happy with this purchase and would do it again in a heartbeat.
S**H
Good battery
Great battery!!!!!
M**N
Solid Dual-Battery Backup Setup — Reliable Power for Sump Pump and Essentials
After 12+ years, I finally replaced my sump pump backup battery setup and upgraded it properly — and I’m really glad I did. I was debating one expensive battery ( also group 31) ..but bought 2 of these for less than the cost of one. I’m running a 3/4 HP sump pump with about 7 ft of vertical head, and the discharge line slopes downward after that. So the pump isn’t under extreme load, but reliability during outages is critical for me. I paired two Group 31 AGM batteries (in parallel) with my Tripp Lite APS750 inverter/charger, and the difference is noticeable right away. Startup is smooth, voltage stays stable, and I now have significantly more runtime during outages. For wiring, I connected the batteries positive-to-positive and negative-to-negative, and then connected the inverter across the two batteries (positive on one battery and negative on the other). This helps balance the load and ensures both batteries are used evenly. A nice bonus is that I’m also able to keep my modem and WiFi running off the same setup during a power failure, which makes a big difference during storms. A few things I learned that might help others: - Don’t rely on an old battery just because it hasn’t been used much — mine was over 10 years old and definitely due for replacement. - Adding a second battery in parallel is a much better upgrade than buying a single expensive “premium” battery. - Use proper short, thick cables and connect the batteries cleanly — it really matters for performance. - Test the system after setup by simulating a power outage. Overall, this setup gives me a lot more confidence heading into heavy rain or storm season. Simple upgrade, but a huge improvement in peace of mind.
C**R
You can trust this order!
Fabulous batteries for my boat. Packed and shipped extraordinarily good!
G**Y
It’s an interstate battery
Great
J**.
High quality
I immediately tested this battery since the last one was DOA.This one tested and showed 1153 CCA.Also was 100% charged
R**H
DOA!
Arrived Completely Dead! Needed it for a holiday weekend RV trip! Now canceled!!
Trustpilot
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