12V 8Ah Lifepo4 Lithium Deep Cycle Battery 2 Pack, 2000+ Cycle Rechargeable Battery for Small Solar, Power Wheels, Lighting, Fish Finder, Off-Grid Applications with Built-in 10A BMS
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Availability:
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Arrives
Monday, Jun 2
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Style: 12V 8Ah-2Pack
Features
- Excellent Performance: Sefepoder LiFePO4 batteries are made of high quality cells with high energy density, Long cycle life, Good safety performance, no memory effect, etc. The batteries are only 1/3 of the weight of lead-acid batteries of the same capacity!More safety and environmentally friendly than lead-acid batteries.
- Safe and Reliable: LiFepo4 batteries will not burn when overcharged, overdischarged, overcurrent or short-circuited, and can withstand high temperatures without decomposing, with built-in BMS protection against overcharge, overdischarge, overcurrent and short-circuit circuits. Can be connected in series or parallel, up to 4 identical batteries in series, 6A fast charge, output discharge up to 8A continuous and 3C pulse.
- Long service life: lithium-ion batteries 2000+ cycles no problem, while traditional lead-acid batteries only 200-300 cycles, no memory effect, no matter what state the battery is in, a charge can be used.
- Wide Applications: Widely used in most fields, such as:lighting, 12V router, RV/outdoor camping, riding toys, RV, power wheels, fish finder, amateur radio, alarm system, fios router, cellular camera,solar/wind energy, off-grid applications etc.
- What You Get:2*12V 8Ah LiFePO4 battery, 12 months warranty, If you have any q
Number of Batteries: 1 Lithium Ion batteries required. (included)
Brand: SEFEPODER
Battery Cell Composition: Lithium Ion
Recommended Uses For Product: Power wheel, Fish finder,12V router, Ride on toys,Lighting, Alarm system, Camping
Unit Count: 2.0 Count
Product Dimensions: 5.94 x 2.36 x 3.7 inches
Item Weight: 2.2 pounds
Item model number: SP1208
Batteries: 1 Lithium Ion batteries required. (included)
Is Discontinued By Manufacturer: No
Date First Available: November 27, 2021
Manufacturer: SEFEPODER
Country of Origin: China
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Jun 2
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
Style: 12V 36Ah
Good quality, small and compact. Works perfectly with my electric golf push cart. Weight of the battery was great not too heavy not to lite…just perfect weight. Great price also. So far no issues. I’ve used three times already. Holding charge well. Looking forward to long use.
Reviewed in the United States on October 30, 2024 by S2K4ever
Style: 12V 8Ah
I extended my 12v car battery with this. Despite the comments not to do it, a battery balancer costs anywhere upward of $200. So I made my own for under $10. I may be wrong in some assumptions, and am still testing my setup, and will update in the future on more actual results. In the meantime, I theorize: My lead acid car battery charges at 14.4V (11A), and discharges at 12.65V (800CCA). This battery charges at 14.4V (4A), and discharges at 13.35V (8A, 20A burst). I connected this lithium battery in series to a 100W 3ohms resistor. Then I connected the lithium battery + resistor unit to the lead acid battery in parallel. After about 60 minutes of driving, the resistor was slightly warmed up, but still less than hand temperature, and the Li battery was cold to the touch, and both batteries balanced out. The resistor was added to lower the balancing currents between both batteries, and to protect the Li battery from over charge currents. From online: A lead acid battery has an internal resistance average of 20 mOhms. A lithium battery has an internal resistance average of 100 mOhms. Assuming this information is correct, and if my charging circuit provides 10A charging current (which is on the high side), the lithium battery without resistor should charge at approx 1.6A, while the lead acid should charge at 8.666A. So a resistor may not even be necessary for active (being charged) operation. More than likely the actual charge current is lower, as the charging circuit may only provide 5 to 6A of charge current,thus lowering the lithium charge current below the nominal. With added 3 ohms resistor, the 14.4 charge voltage drops to 13.75V, as a further protection against shorts, overcharges and over discharges. The main 2 reasons I have the resistor installed is: 1- High current draw protection (eg: when the battery wants to start the engine, and a voltage sag happens). 2- Battery balancing when charger circuit disconnects. Number 2 is the main reason, as the 14.4V charge voltage over the lead acid battery (13.75V on the Li battery side after resistor) disconnects, and the Lead acid battery drops to its nominal 12.50V, and the lithium to its 13.5V. That's a 1V differential between both, and with only 20mOhms on resistance, the current draw of the Lithium trying to charge the Lead acid would be about 50 amps (ignoring wiring resistances, probably closer to 25A in real life), well above the max the Li can handle. With the 3 Ohms resistor, the current draw from the Li to the Lead Acid should be closer to 0.333mA. A better suited 1Ohms resistor should allow for balancing currents of 1A. The resistor isn't the most efficient way to limit current, but considering that it was a very cheap solution, IMHO it was the best solution for an average Joe. The cons of this resistor setup, is that after shutting off the car, both batteries will self balance for a time, until the 13.50V voltage of the Li battery, matches the 12.50V of the Lead acid. Consider that the car also has parasitic losses, drawing energy from the lithium battery first; and all that balancing and parasitic losses all go through the resistor which basically converts roughly 1 to 3W in heat loss.... The second con, is that when the starter motor is engaged, drawing up to 200A (400A peak); and the Lead acid voltage drops to 10V, the Li battery will be taxed heavily. It can provide a max of 20A for a duration of 3 seconds. If we presume that the LeadAcid has an internal resistance of 10mOhms, and the Li+3Ohms resistor is 3100mOhms, then about 200A/3110*3100= 199.35A goes to the Lead Acid, and about 0.64A goes to the Lithium (provided both batteries leveled out to 12.50V). If the engine is started immediately after it was shut down (start-stop system at a red light), the Li still has 13.5V, making the amp rating ~0.83A The rest of the power gets drawn from the lead acid. For that reason, I believe a 1 or 0.5 ohm resistor may be more suited for regular cars allowing higher balancing, and higher starter discharge currents. In my case however, I own a hybrid car, and the starter only gets power from the 12V battery, if the high voltage battery is depleted. So it basically never draws power from the 12v. So the Li battery is merely there to extend the life of the 12V battery, and take care of the parasitic losses of the car (sensors, remote unlock, etc...). So far it also seems to work just fine. I'll update when something goes wrong or fails.
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Reviewed in the United States on September 29, 2022 by H B
Style: 12V 36Ah
I had an issue with this battery, as written below, but was issued a refund. I messaged about my issue and was immediately issued a refund. I bought this battery a year ago and have only used it twice with my trolling motor. Both times it left me stranded. Battery power showed 50% left then ot suddenly drains and dies completely. To recharge it I had to put it into repair mode first. I thought maybe it just overheated. I wasn't able to get the boat out again until today and it did the same exact thing. Bad battery.
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Reviewed in the United States on July 4, 2024 by JUSTIN
Style: 12V 15Ah
So far so good with dropping this in as a direct replacement for the lead acid battery that my kids electric Jeep came with. The off-brand electric Jeep came with a 5 amp hour lead acid battery, so a 15 amp hour lithium amounts to about six times the capacity. I couldn't be happier with its performance. 4 stars because it's like 30% cheaper than two months ago when I purchased, and that always hurts.
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Reviewed in the United States on December 29, 2024 by Phil
Style: 12V 12Ah
I ordered this battery to replace the one on my DuroMax XP10000EH generator. I was a little bit skeptical about it when I unpacked it because it was about 50% lighter than the original battery, but it worked perfectly. It is the exact same size as the original. My generator hadn’t been started for several years, so I had to crank it about 7-8 times before it finally started, and this battery held up fine. On a side note, Amazon offered overnight shipping for it and I had it on my doorstep in the wee morning hours the day after I placed the order. This was particularly beneficial because a storm was potentially coming and I needed it quickly. Time will tell as far as its longevity, but as of now I’m very pleased with it and highly recommend it.
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Reviewed in the United States on October 7, 2024 by MW
Style: 12V 8Ah
Bought in September, Dead in November.... past return date... Had it in a PC-UPS and it died and will not take a charge now.
Reviewed in the United States on December 1, 2024 by Diggity_Dan
Style: 12V 8Ah
Used this battery for my Verizon Back Up for Fiber. Same Size , lighter and more durable than the battery provide by Verizon.
Reviewed in the United States on November 16, 2024 by George Zulick
Style: 12V 8Ah
This is a great replacement for my acid batt I had in my ball machine. It gives me way longer lasting power. It charges quick. I’d buy this one again.
Reviewed in the United States on October 29, 2024 by Paul