I bought two of these batteries (12V 100ah). First ordered one to test, satisfied I ordered a second. Both Received On-Time, Good Packaging. Extra terminal bolts provided each. Documentation is good, clear values for User programmed chargers.
These are setup in series now to form a 24V 100ah battery pack. I opted to pay more by having two batteries rather than one 24V battery for a few reasons. As stated above, I was concerned with the quality and wanted to test one battery before doubling down for twice the expense. Second, these batteries have a battery management system which is internal to the battery. If it goes bad, chances are the battery will be useless. Having two go bad is unlikely. So I can always reconfigure my system to run from the good 12V battery. Finally, I have a lot of 12V stuff and having a pair of very good 12V batteries gives me more options.
These batteries are well built, case seems generic but sturdy. Especially happy with the Terminals, they seem very firmly mounted to the case and hold connections tight.
I've run several capacity checks on this, but the only full capacity test I made would be characterized as a .1C test. That is a constant discharge of 100watts, but in my case it was a refrigerator with defrost so when it did run it was about 110watts and about 330watts during the defrost cycle.
I was expecting it to run about 39hours but it only made 32 hours. However, then I worked in the inverter efficiency (90%) and the vampire power used by the inverter even when it is not generating wattage. I did several different discharge tests and always got above 95% of the rated watt/hours. That is excellent considering the price point on these batteries in comparison to other similar batteries.
I DO NOT recommend any PWM charger with these. I tried charging the battery with a Renogy Voyager and the pulses exceeded the max voltage causing the Battery's Management System to disconnect. Even though this Renogy charger has a LifePO4 setting. I contacted Renogy they were no help, I also contacted AmperTime and the good news is they actually responded. But I knew what the problem was and it simply was not a battery or Battery Management System issue. Needless to say I bought an MPPT charger, EPEVER Triron and it works great. But that is for another review.
Couple more notes. I am shocked at how lightweight this battery is, they weigh about a third of what a typical flooded battery would. Every time I pick them up I am surprised by their lightweight. I am sure RV people will appreciate this.
The max voltage I got on these batteries is 13.5V after it settles, I was expecting 14.4V. Without making this longer, don't worry about it. It is a weird charge curve and 13.5V is basically 99% charge. My discharge test confirm these batteries will perform to there approximate 100ah rating.
In Summary, very happy, highly recommended and I did buy two, perhaps get more in the future.
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This Item  LiTime 12V 100Ah LiFePO4 Battery BCI Group 31 Lithium Battery Built-in 100A BMS, Up to 15000 Deep Cycles, Perfect for RV, Marine, Home Energy Storage |  |  |  |  |  | |
| Price | $279.99 | -6% $299.99 List: $319.99 | -13% $299.99 List: $342.99 | $1,199.95 | $514.12 | $772.19 |
| Delivery | Get it May 10 - 13 | Get it May 21 - 23 | Get it May 16 - 20 | Get it May 15 - 21 | Get it May 16 - 17 | Get it May 21 - 22 |
| Customer Ratings | ||||||
| Easy to install | ||||||
| Light weight | ||||||
| Value for money | ||||||
| Longevity | ||||||
| Storage Capacity | ||||||
| Sold By | Li Time US | Li Time US | Li Time US | CHINS-US | Li Time US | Li Time US |
| compatible vehicles | RV | Trolling Motor, Boat, RV | RV, Van, Boat, Truck, Solar System | Passenger Car, Trailer | Boat, RV | Boat |
| size | 12V100Ah | 12V100Ah TM | 12V100Ah Group 24 | 12V 100AH | 12V 100Ah Gp24 (2 Pack) | 12V 100Ah Gp24 (3 Pack) |
| terminal type | M8 Terminal | — | — | — | Marine Terminal | Marine Terminal |
| resistance | 40 ohm | — | 40 milliohms | 5 milliohms | — | — |
| voltage | 12.8 volts | 12.8 volts | 12.8 volts | 12 volts | 12 volts | 12 volts |
| number of cells | 4 | 4 | 4 | 5 | — | — |
Product Description
Reliability, Durability and Longevity
LiTime 12V 100Ah lithium battery applies Automotive Grade A LiFePO4 Cells and a built-in 100A BMS, which offer excellent performance, unbeatable safety and massive power. More reliable and safer on indoor or outdoor installations and applications.
HOW TO INSTALL THE SYSTEM
Seamless Integration: Explore LiTime Complementary Accessories for LiFePO4 Battery Applications.
Not A Starting/Power Battery
• Do not use it as a starting battery
• Do not use it to run Golf Cart
• Charge the battery between 32°F and 122°F
Series/Parallel Tips
• The same model (capacity & voltage & BMS)
• The same brand
• Recent purchases (within 3 months)
Battery Mounting Direction
• The sides and tops of batteries can not be placed face down.
100% Green Energy
• The LiTime 12V100Ah LiFePO4 Battery doesn't have any heavy metal. It has large power but still portable.
LiTime LiFePO4 Battery Product Spotlight
 12V100Ah LiFePO4 Battery |  12V50Ah LiFePO4 Battery |  12V100Ah Group 24 LiFePO4 |  12V200Ah PLUS LiFePO4 |  12V300Ah LiFePO4 Battery |  12V400Ah LiFePO4 Battery |  12V460Ah LiFePO4 Battery | |
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Customer Reviews
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Price
| $279.99 | $169.99 | $299.99 | $569.99 | $869.99 | $529.99 | $1,499.99 |
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Nominal voltage
| 12.8V | 12.8V | 12.8V | 12.8V | 12.8V | 12.8V | 12.8V |
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Energy
| 1280Wh | 640Wh | 1280Wh | 2560Wh | 3840Wh | 2560Wh | 2944Wh |
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Rated Capacity
| 100Ah | 50Ah | 100Ah | 200Ah | 300Ah | 200Ah | 230Ah |
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BMS
| 100A | 50A | 100A | 200A | 200A | 100A | 200A |
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Max. Continuous Output Power
| 1280W | 640W | 1280W | 2560W | 2560W | 1280W | 2560W |
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Dimension
| L13*W6.77*H8.43in | L7.79*W6.53*H6.69in | L10.24*W6.61*H8.30in | L21*W8.2*H8.5in | L20.55*W9.45*H8.58in | L21*W8.2*H8.5in | L19*W6.7*H9.5in |
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Recommend Chg Current
| 20A (0.2C) | 10A (0.2C) | 20A (0.2C) | 40A (0.2C) | 60A(0.2C) | 40A (0.2C) | 46A (0.2C) |
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Max. Continuous Charge Current
| 100A | 50A | 100A | 200A | 200A | 100A | 200A |
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Max. Cont Discharge Current
| 100A | 50A | 100A | 200A | 200A | 100A | 200A |
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Max. Discharge Current
| 280A | 100A | 280A | 400A | 400A | 280A | 400A |
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Charge Voltage
| 14.4V±0.2V | 14.4V±0.2V | 14.4V±0.2V | 14.4V±0.2V | 14.4V±0.2V | 14.4V±0.2V | 14.4V±0.2V |
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Charge Method
| CC/CV | CC/CV | CC/CV | CC/CV | CC/CV | CC/CV | CC/CV |
From the brand
Service Phone: 315 333 9794
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LiTime 12V 100Ah LiFePO4 Battery Built-in 100A BMS System
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Reviews with images
Fully charge it upon receiving.
Worked well for running iceco fridge. Shaded camp sites and two day rain event almost killed it while on road. Not charging fully before trip didn't help. However weather cooperated and 100 watt solar panel with victron mmpt brought battery to float voltage. Five amp rc charger had struggled to fully charge it. Overall, the case is solid and it is running fridge and media. Happy so far.
Top reviews from the United States
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Reviewed in the United States on March 28, 2024
Style: 12V 50AhVerified Purchase
Worked well for running iceco fridge. Shaded camp sites and two day rain event almost killed it while on road. Not charging fully before trip didn't help. However weather cooperated and 100 watt solar panel with victron mmpt brought battery to float voltage. Five amp rc charger had struggled to fully charge it. Overall, the case is solid and it is running fridge and media. Happy so far.
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Top reviews from other countries
The Science Dude
Works great so far, bought for $300 during Christmas sale - making a power station battery extender
Reviewed in Canada on January 10, 2024Style: 12V 100AhVerified Purchase
Groetzner
Super Qualität zu günstigem Preis
Reviewed in Germany on May 18, 2021Style: 12V 300AhVerified Purchase
Groetzner
Reviewed in Germany on May 18, 2021
Der Akku kam dann als normales Paket mit dem Paketversand. Die Verpackung war unversehrt und der Inhalt auch. In der Verpackung war eine gut verständliche Anleitung mit allen notwendigen Parametern um die optimale Einstellung für meinen Victron Charger/Inverter vorzunehmen. Es ist zwar laut Anleitung auch eine Ladung mit normaler Blei/Gel-Kennlinie möglich, jedoch habe ich mich für die optimierte Lithium-Kennlinie entschieden und das Ladegerät entsprechend umgestellt.
Die M8-Anschlüsse sind sauber und stabil vergossen. Für ein einzelnes Ringterminal (am 70mm² Kabel) ist die mitgelieferte Schraube lang genug. Für ein zweites Kabel müsste man eine längere Schraube verwenden. Da LiFePo4-Batterien nur direkt mit einer Sicherung verbunden werden dürfen ist ein zweites Kabel normal nicht notwendig und zulässig (außer ggf. bei Parallelschaltung mit sehr kurzen Kabeln).
Ich habe das Ladegerät wie empfohlen auf einen maximalen Ladestrom von 60A begrenzt. Die Batterie war bei Lieferung mit 13,2 V wohl ungefähr zu 70% geladen. Der Ladevorgang verläuft für LiFePo4 typisch. Es wurde für ca. 1,5 Stunden mit einem konstanten Ladestrom von 60A geladen. Dabei steigt die Spannung nur leicht auf ca. 13,5V an. In den letzten 3 Minuten steigt die Spannung ziemlich schnell auf die von mir eingestellte Maximalspannung von 14,6V an. Es findet jetzt wahrscheinlich das Balancing statt. Der Strom reduziert sich auf ca. 1A. Nach 10 Minuten ist Schluss und die Batterie macht "dicht", d.h. der Strom sinkt auf 0,0A. Der integrierte Überladeschutz wirkt zuverlässig.
Die Entladung liefert eine ähnliche Kurve, d.h. die Spannung sinkt relativ schnell auf 13,3 V ab und bleibt dann dort trotz immer größerer entnommener Strommengen fast konstant. Nur bei sehr starken Entladeströmen sinkt die Spannung temporär weiter ab. Bei z.B. einer Entladung mit 150A sinkt die Spannung auf 12,3V. Ich gehe davon aus, dass dieses Zellbedingt ist und nicht an einer zu dünnen Verkabelung innerhalb des Akkus liegt. Reduziert man den Entladestrom wieder steigt die Spannung sofort wieder auf 13,2V.
Meine alten Gel-Akkus konnten den Entladestrom nicht liefern und fielen ab 100A auf unter 11V. Auch der Ladestrom ging nicht über 30A bei 14,4V. Jetzt funktioniert endlich das Gesamtsystem.
Die Gewichtsersparnis ist Klasse. 130kg Blei raus und 30kg Lithium rein bei größerer nutzbarer Kapazität.
Wer die Anfangsinvestition nicht scheut, wird sich sicherlich am Ende über die viel größere Zyklenzahl und damit auch Lebensdauer freuen.
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Henry O'Grady
A1 Best build quality
Reviewed in Australia on March 7, 2024Style: 12V 50AhVerified Purchase
