Timeusb 12V 100Ah Pro LiFePO4 Battery, Grade A Battery Cells, Compact Lithium Battery, Built-in 100A BMS,10-Year Lifetime, Perfect for RVs, Solar Home System, and Off-Grid Applications

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Bought this 24V battery for my new trolling motor. Havent had time to try it out yet, but i have their 12V battery on my livescope and it works fantastic. These batteries are weigh much less than the old lead ones.

Good high quality true deep cycling batteries built tough with excellent customer service. Although I've installed a lot of solar since the 1990's, I am now sold on using Lithium Iron Phosphate on home solar installations to replace more typical lead-acid type batteries. Also perfect as an RV house battery. First thing I noticed was that their "Users Manual" was exceptionally well written and easy to read without any confusing language or translation errors. This was a welcome beginning. Communication with the seller, Time-USB is also nothing less than excellent. They gave me a heads-up when the batteries shipped, and they arrived very well packaged with plenty of protection and sooner than expected. If you have technical questions regarding set-up, the folks at Time-USB will be happy to walk you through the process quickly. I worked with Tanya and Gerri, who I found very knowledgable, easy to understand and answered all of my questions completely. I'm liking these new batteries because they are much lighter than Lead-Acid, much safer than most other Lithium-ion types, and if they work as specified, they will be far less expensive in the long run. Unlike lead acid, which can only tolerate about a 50% depth of discharge on a regular basis, you can discharge these all the way down without damage thanks to the built-in battery management circuitboard, or BMS. Although you will get more cycling lifetime if the depth of discharge is more conservative. These batteries work wonderfully along with a good quality, properly configured charger or solar charge controller, like the Morningstar Tristar MPPT series pictured, although custom settings were required. I'm also using Victron's BMV-712 Smart Battery Monitor with Bluetooth to easily and remotely monitor the system's production, battery status and power usage. Another nice thing about LiFePO4 (or LFP) is their very high (99%) charge efficiency compared to lead-acid at 94% or much lower as they age. Speaking of age, if installed and configured correctly, you should theoretically be able to get up to 5x the cycling life from these Lithium Iron Phosphate (LFP) type lithium-ion batteries, perhaps up to 10 years making these a perfect choice for off-grid solar or similar high cycling, high demand battery systems. Lastly, if you should have a problem, Time-USB tech support will resolve it, they also have a 5 year warranty on their products. I've ordered from them 3 times, and always had a good experience. Quality Built Tough!

Eccezionale per la capacità e la leggerezza,oltre le aspettative. Ottimo prodotto.

Works as expected. I use this in a small storage shed outside to provide lighting as there is no electricity out there. I have some 12v 4x4 lights connected to an inverter with a dusk to dawn sensor which runs the entire night without issues thus lighting the area all night every night without fail and the need to increase my light bill daily. Sometimes I even use it to power other appliance such as a vacuum and/or power washer to maintain my vehicle.