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🔋 Power your adventures with unstoppable dual-purpose energy!
The Weize BCI Group 31M is a 12V, 110AH sealed AGM battery designed for marine and RV use, delivering 825 cold cranking amps and 240 reserve capacity minutes. Featuring advanced AGM technology, it offers twice the cycle life of traditional flooded batteries, rapid charging up to 5x faster, and superior vibration resistance. Its maintenance-free, leak-proof design ensures long-lasting, reliable power for both starting engines and deep cycling applications.








| ASIN | B0CJVHQRHB |
| Automotive Fit Type | Universal Fit |
| Battery Cell Composition | Lead Acid |
| Battery Type | Lead Acid |
| Best Sellers Rank | #18,675 in Automotive ( See Top 100 in Automotive ) #45 in Powersports Batteries |
| Brand | WEIZE |
| Brand Name | WEIZE |
| Compatible with Vehicle Type | Boat, Marine, RV |
| Customer Reviews | 4.2 out of 5 stars 242 Reviews |
| Included Components | Battery |
| Item Dimensions D x W x H | 6.81"D x 12.99"W x 8.35"H |
| Item Weight | 67.5 pounds |
| Manufacturer | WEIZE |
| Manufacturer Part Number | BAD-1555 |
| Manufacturer Warranty Description | 2 Year Warranty |
| Model Number | BAD-1555 |
| Number Of Cells | 1 |
| Product Dimensions | 6.81"D x 12.99"W x 8.35"H |
| Terminal | DT, SAE/M8 Stud, SAE/M8 Threaded Post, WNT |
| Vehicle Service Type | Boat, Marine, RV |
| Voltage | 12 volts |
F**S
Great batteries and packaged well.
Great batteries, perform as advertised. These were packaged very well, which is very important for heavy items being shipped.
M**.
Great battery at a good price.
Very heavy (60lbs) batteries. Purchased 3 to use in parallel for starting a CAT diesel in an RV.
G**Y
Short lived
Lasted less than 2 yrs
F**N
Lots of power
I bought this battery as my backup to a new interstate group 31 agm dual purpose battery. Quite frankly I think this battery outperforms the Interstate even though it is way cheaper.
L**S
Great Quality Battery – Well Packaged and Fast Shipping
Great product and excellent buying experience. The battery arrived very well packaged and protected, which is important for a heavy item like this. Everything came in perfect condition with no damage at all. Build quality looks solid and the terminals are strong and well designed. I’m using it in my boat and it performs exactly as expected. Communication from the seller was excellent and shipping was very fast. Overall, I’m very satisfied with the purchase and would definitely buy from this seller again. Highly recommended.
S**N
Weize BCI Group 31M Dual Purpose Battery
You had better have some help putting this in your boat. It's definitely no lithum. This thing is heavy! I have not had it in my Cobalt 222 very long, but compared to my other battery, it spins the motor and starts the 8.1L big block almost effortlessly it appears. A welcome change. It charges quickly. I am not sure of the longevity, but I was quite impressed with the packaging, the instructions and the build quality so far. They say most batteries are produced by a handful of manufacturers and then branded. I am not certain of that and so I cannot speak to it. I will say so far so good on this one and for the price point, this might be an exceptional find. Again, its one heavy unit so might need some help getting this where you want it in your boat.
D**.
Too early to tell… I like it so far!
It’s on the charger now and the NOCO GenPro charger indicates it is in “maintenance” mode which indicates it arrived fully charged. I’ll check it with a multi-meter later. Overall, the battery is clean and has dual mounting posts which will be perfect for a cranking battery and low-amp accessories on my boat.
M**T
Agm battery for boat
all went well with order fast shipping packaged well came with full charge
Trustpilot
2 days ago
1 month ago