WEIZE 12V 50Ah Trolling Motor LiFePO4 Lithium Battery, 8000+ Deep Cycles, Built in BMS Group 24 Battery for Power Wheelchair, RV, Solar, Marine, Boat, Home Energy Storage, Backup Sump Pump
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This item is eligible for return within 30 days of receipt
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
18 left in stock
Arrives
Jul 29 – Jul 31
Size: Pack of 1
Style: 12 Volt 50AH
Features
- BUILT TO LAST with 2,000+ cycles at 100% depth of discharge, outlasting lead-acid batteries 5+ times
- AUTOMATIC BMS protects battery from overcharge, discharge, short circuiting for safety and performance
- LIGHTWEIGHT at 1/2 the weight of lead-acid batteries, versatile for fish finders, solar, scooters, and more
- SAFE AND ECO-FRIENDLY lithium iron phosphate chemistry, no risk of fire or leakage
Brand: WEIZE
Size: Pack of 1
Terminal: Marine Terminal
Manufacturer: Weize
Manufacturer: Weize
Brand: WEIZE
Model: lifepo4
Item Weight: 14 pounds
Product Dimensions: 9.02 x 5.43 x 8.19 inches
Item model number: lifepo4
Batteries: 1 12V batteries required. (included)
Manufacturer Part Number: LP12-50-T
Amperage: 50 Amps
Date First Available: March 22, 2021
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jul 29 – Jul 31
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
For many years at work, we used conventional lead acid batteries for lighting, which did not work all that well. A few years ago we switched to automotive deep cycle AGM's, which did work much better, but they have gotten very expensive lately. Now, Lithium batteries have become much more reasonable, and should perform much better in this type of service. Additionally, the built in BMS should provide protection from over use and/or lack of appropriate charging, which occurs far too often. Only downside is the need for a specific Lithium battery charger, but they have become inexpensive and readily available.
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Reviewed in the United States on December 20, 2024 by Daniel Berry
I received the 50Ah battery in short order. Shipped from CA. I know I know its a bump address for china but still. Undamaged and at 45% charge. I connected a proper LiPo4 charger and walked away. (ie low amps). Tested the next day at 14.4 100% I am now using it for QRP with a FT-817 ND and a 50w amp. For testing of the battery. I ave been able to operate my PORTA ham shack with a Xiegu G-90 and 100w amp and a President Lincoln II plus 10-12 meter. Windows laptop for digital connection of the G-90 and screen interface. FT8 was flawless. I transmitted for 40 minutes off and on and on standby (receive only). The battery was still at 62% I used a FAT .50 cal ammo can and it fits like a glove. I used a 50amp reset-able breaker so it will trip open (shut off) the power when I close the lid. 73
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Reviewed in the United States on July 22, 2024 by David David
Bought this battery less than a year ago and it’s stopped charging. I use a Noco lithium charger and it still charges my other lithium batteries. Battery throws a fault and won’t charge now. I reached out to the manufacturer without any reply. Looks like I’m out a battery! If you’re looking at this battery, I’d move on the the next one from a different manufacturer.
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Reviewed in the United States on March 27, 2025 by Dawson
Received the battery in march of this year. Everything seemed great with the battery the first couple times I used it. Now I’m getting an error message and will not take a charge. Sent a request to the company for a replacement. Hopefully they take care of the situation and I’ll come back and update the review. Update 8/2/24 - contacted the company and to this point they have been very responsive. Appears I have a defective battery, they are sending a replacement. Update 8/7/24 - received the replacement today, I appreciate how responsive the company was to my issue. I’m going to raise my star rating because of that. Hopefully everything works well moving forward.
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Reviewed in the United States on July 21, 2024 by bill q.
I have pumped close to 200 gallons of diesel and haven’t had to recharge the battery. It’s been working fine even in the cold weather. I love the convenience of not using alligator clips to run my pump off of a vehicle. The tank is so much more user friendly with having an on board battery.
Reviewed in the United States on December 17, 2024 by Khaki
I use this to power a small trolling motor. Previously I had a 100ah, 60 pound AGM lead battery that I left on the boat all the time with a solar charger. This is so lightweight I just take inside occasionally for charging. I don't know how long it will power my trolling motor because I've never run it down enough to tell. I can use it all weekend and my small charger is still able to top it off in a couple hours.
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Reviewed in the United States on September 12, 2024 by Dane
Not going with one star because Amazon customer service was really helpful and refunded the purchasse price right away with no problems. I think the battery was at the warehouse too long and it was just the one I got. I put the charger on it and left it 6 hours with no change or charge. It was a charger meant for that specific type of lithium battery and had worked on other batteries so I am sure it was not the problem. WEIZE also responded in a timely manner, so I can't say I am disappointed with them. I just got a battery that had been sitting awhile and lost the charge to the point it was not recoverable.
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Reviewed in the United States on December 10, 2024 by DS
Very hit or miss. I’ve had multiple 6-7 hour trips using this on a 33lb minkotta and never had an issue, there’s been 2 trips where I lost power after 30 minutes. I charge with a Nocco genius at 5-10amps, and maintenance charge. I’m just not sure what its deal is but glad I had a back up lead battery on standby. I want to have the confidence in such a lightweight sealed battery but what’s the point if I have to have a back up battery for those weird 30 minute days.
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Reviewed in the United States on June 12, 2025 by Bill68