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NERMAK 6V 4.5Ah Lithium LiFePO4 Battery 2 Pack, 2000+ Cycles Rechargeable Lithium Iron Phosphate Battery for Emergency Light, Game Feeder, Kids Ride On Car and More with BMS (F1 Terminals)

  • Based on 161 reviews
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Availability: In Stock.
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Arrives Friday, Oct 23
Order within 12 hours and 57 minutes
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Size: 6V 4.5Ah-2 PACK


Features

  • Superior Performance: Lithium iron phosphate battery has high energy density, Long cycle life, Good safety performance, No memory effect, etc. NERMAK LiFePO4 battery has built-in BMS protection to prevent overcharge, Over-discharge, Over-current and short circuit, and very low self-discharge rate.
  • Long Cycle Times: Lithium batteries 2000 + cycles no problem while the traditional lead-acid batteries only 200-300 cycles, More safety and environmentally friendly than lead-acid batteries.
  • Widely Uses: Widely uses in most areas such as: Emergency Light, Deer Game Feeder, Exit Sign, Electronics, Fire & Security Systems, Lantern, Kids Ride On Car, Home Alarm and more...
  • Expansion and RechargeCan be connected in series or parallel, in series, Up to 4 identical batteries can be connected,Quick charge by 3A , and heavy-duty output discharge up to 5A continuous and 3C Pulse.
  • Warm Note: 1* 6 Volt 4.5Ah Replacement lithium ion battery,12 months warranty, If you have any question for our product, Contact us: click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller" (please use LiFePo4 special charger, with fully automatic SLA charger may not be fully charged)

Description

LiFeP04 batteries are maintenance-free batteries, If you need them all the time, Then lead-acid becomes too unreliable and laborious, The battery's lithium-ion properties reduce the weight of traditional lead-acid batteries to less than half, While significantly improving performance and capacity, Traditional lead-acid batteries contain large amounts of lead, After disposal if not properly disposed of, Will pollute the environment, While lithium materials without any toxic or hazardous substances, Recognized by the world as a green battery, Its great durability allows you to easily use them at home and at work, Or safe outdoor needs , The environment is most important. Recommend using a professional LiFePO4 charger to charge the battery so that it can be charged to its full capacity (existing lead-acid battery chargers (wet, AGM or gel) will also work fine) Lithium ion batteries can be discharged up to 100% without causing damage. Make sure to charge the battery immediately after discharge. We recommend limiting the discharge to 80-90% depth of discharge (DOD) to avoid disconnection of the battery by the BMS. 6V LiFePO4 battery have no liquid inside. This allows you to safely mount the battery where you want to place it. Founded in 2014, the company is a professional new energy battery and accessories manufacturer. Has a R&D team with nearly 10 years of industry experience. Insist on using brand new A-grade battery cells. Strict quality control assembly factory Provide customers with more and better quality products

Number of Batteries: 1 Lithium Ion batteries required. (included)


Brand: NERMAK


Battery Cell Composition: Lithium Ion


Battery Capacity: 4.5 amp_hours


Recommended Uses For Product: Flashlight, Remote Controls จกรยาน, Toys


Number of Batteries: 1 Lithium Ion batteries required. (included)


Brand: NERMAK


Model Number: 6V4.5A


Model Name: lifepo4


Manufacturer: Huizhou Yu'an Technology Co.,Ltd


Included Components: 2*6v 4.5Ah lifepo4 battery


Warranty Description: 1 year


Battery Cell Type: Lithium Ion


Battery Capacity: 4.5 amp_hours


Voltage: 6.4 volts


Reusability: Rechargeable


Amperage: 4.5 A


Unit Count: 2 Count


Battery Weight: 0.3 kg


Item Dimensions: 3.23 x 2.2 x 4.96 inches


Item Weight: 11.2 ounces


Antenna Location: Flashlight, Remote Controls จกรยาน, Toys


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Oct 23

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.

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Top Amazon Reviews


  • Solved a problem
Nice product, worked well
Reviewed in the United States on July 13, 2026 by Geoff

  • Amazing performance.
These batteries are the future, for everything except heavy current usage. The internal circuitry shuts the down when abused, although short duration high currents are allowed for several seconds until things get hot (I suppose) , then a few seconds later, power is restored. I use them to power small motors with short surges of 10C and they cope well. The voltage stays so constant it makes other battery chemistry look stupid. And they seem to hold their charge forever. No wonder they are coming to EVs. If there is a better chemistry coming, it will be real game changer all round, as these are already way better than anything else, so far. ... show more
Reviewed in the United States on October 31, 2024 by Paul B

  • Great for Hog 20 Amp battery replacements!
These batteries work great as replacements for the old lead batteries that came standard with my old Pignose Hog 20 portable amplifier! Dimensionally, they fit perfectly and keep the amp fully powered for at least 7.5 hours! I would have tested them longer but why bother? They work great. The only issue has to do with re-charging the batteries. They have to be removed from the amp and charged individually using a specific device designed for these types of lithium batteries. Amazon recommended I use the ULTRAPOWER 4-Amp 14.6 Volt LiFePO4 Battery Charger,12.8 Volt LiPO Lithium Battery Charger and it worked great. Looking forward to playing my blues harmonica again through this amazing amp! ... show more
Reviewed in the United States on May 8, 2024 by Douglas J. Obrien

  • Works OK, but this model does not have the USB recharging port!
Battery works fine, but it should have a USB recharging port built in like the competing products have. I missed this when I ordered it.
Reviewed in the United States on September 11, 2026 by PCJack

  • J
Good
Reviewed in the United States on July 14, 2026 by J

  • Should come with charger
light weight but wont take a charge without purchasing a lithium battery charger. I put these in a couple HD Lucky Ducks
Reviewed in the United States on October 26, 2023 by Ice-Man_Vexilar-King

  • Funcionable
Excelente producto
Reviewed in the United States on March 13, 2026 by Carlos

  • Do not buy
Very disappointed in these batteries. I put them in my 6V deer feeder that feeds twice a day and they lasted a whopping 3 days. I figured with it being lithium that they would last quite awhile. Not the case here.
Reviewed in the United States on September 20, 2025 by Bsol

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