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Wasper
Reviewed in the United States on March 9, 2025
This review is for the YTX4L-BS, YTZ5S,140A, 2X Cranking Amps, 5X Longer Life, LiFePO4 Lithium Motorcycle Battery, ATV battery,12v 3Ah, for Dirt bikes,4 wheeler, Scooter, moped, Snapper Walk behind lawn mower batteryUpgrade to Lithium Battery: A perfect replacement for Lead Acid batteryTykool Model: LFP4L-BS-STD; Battery Type: Lithium Battery (LifePO4); Dimensions: (L) 4.44 in x (W) 2.7 in x (H) 3.34 in；Weight:1.32 Pounds; CCA: 140；Capacity: 3AH；Polarity: [- +]High Performance and Lightweight: Tykool Lithium-Ion Powersports battery LFP4L-BS-STD provide over 120 amps of starting power, over 2500 charging Cycles. Compared to lead-acid battery, it's 2X more power,10X more starts, and 5X longer life.Built in BMS: There is built-in Battery Management System (BMS), It protects the battery from over charge and discharge, over current, short circuit. Cells balancing functionFast Charging: Offers the fastest charging available and can be recharged in minutes. Offers 5x faster charging than Lead Acid batteries, and the fastest Lithium Charging availableI ordered this for my one-ton driveway rolling machine. It's driven by a Predator 13hp upright single cylinder gas engine with electric start. This should be enough cranking amps to start that engine.I definitely recommend the Tykool Lithium Battery from Amazon....
Tim Bowsher
Reviewed in the United States on March 26, 2025
Has a built in volt meter, just press the button and it reads for a few seconds. Mine came at 13.4V.10 years ago I paid a large chunk of coin for an early LiFePO4 starting battery. The price has gotten a lot better and they are so much more available now. This one does starting duties and is now less expensive than a lead acid battery. The shelf life is extremely good. I have had these batteries sit for 2 years and still be nearly full and functional. Did anyone mention they weigh nearly nothing? Feels like an empty battery case. This one is going into service, if it has issues I'll be back with an update. All quiet, things are still doing great.Oh, there are limitations on this battery you should know of. Really should use them below freezing, especially charging. And don't cook them. If it is too hot for you, it is too hot for the battery. It is a fairly narrow operating range. Can't put under the hood of a car or truck, if the battery is real close to the exhaust, not good. Would not recommend for winter toys, snow blowers, etc. The operating temps of LiFePO4 batteries is well known (easy to find if you don't know them). This battery will perform like any standard LeFePO4 battery as far as temp limits for charge and discharge (the paperwork included states below freezing charging, it isn't that special)
Bamapartsman
Reviewed in the United States on March 25, 2025
Its so small and light i couldnt believe it would crank much of anything. maybe a standby or UPS battery but crank? Well i was wrong! dead wrong! It cranked my 2cyl Onan Genset. Its a 2cyl motor but larger than a ATV motor...I tried it several times and it always spun it over, granted it was probably on the edge of its capabilities but It worked and only weighs about 2 lbs if that. It has a display on the top that displays battery voltage, thats nice. I did get a cheap chinese charger that had a setting for the lithium battery as they seem to need a little more voltage than traditional. The 12-volt LiFePO4 battery's equalized voltage is 14.6V. and float is 13.6 so make sure your charger can fit those parameters. If it will put out 14.2 that will be ok...I wouldnt charge at much over 2A with .5 to 1 being ideal. Great value for the dollar, lets just see how long it lasts. The specs are in the ad but I wont repeat them. Proof is in the pudding...Genes 2 cents!!!
R. Harshbarger
Reviewed in the United States on March 24, 2025
Extremely well packaged. Light weight and meets all specs in their listed manual and packaging.This is a LiFePO4 battery despite the confusing labeling saying it is "lithium Ion" and the chemistry IS Lithium Iron Phosphate. I used a 2 amp charger and it was done charging out of the box in less than 30 minutes.It has a neat little voltage meter on the top which gives a general idea of the state of charge. It is very well constructed and should hold up to some rough use on small engines with electric starters. It has a comparable price with other batteries on the market for its size and output. Designed to be easy to install.
TexKen
Reviewed in the United States on March 23, 2025
If a battery can be cool, this one is! Super lightweight, powerful and tiny. I unpacked it, hooked it to my trickle charger and it was 100% charged in just a short time.I then installed it on my Onan 6500 watt generator. This is a 13 HP heavy duty generator and my new battery cranked it like it was nothing. I left the fuel off so it wouldn't start just to see when the battery would start to lug down. I cranked it so long I finally decided I better quit so the starter wouldn't get hot. The battery could have continued a lot longer.The built in meter is nice and flashes the charge percentage and then holds on the voltage.There are multiple mounting positions on the posts for your cables which is a good feature.I really like this battery and would recommend it as well as purchase again. Good job on a powerful compact 12 volt battery.
T&M
Reviewed in the United States on March 21, 2025
Smaller than expected, especially for the 140CCA capacity. Got this to use on a generator starter, and it has worked beautifully. The BMS has kept this thing topped up correctly and I don't think this battery is unsafe at all. The display on the top displays the current charge value in volts, super useful to help diagnose without a multimeter needed. So far I haven't drained this battery completely, as it is not had to yet, but I will update if the battery life takes a hit through the normal usage. This battery will likely remain on a solar trickle charger when not in active use, so I don't suspect I will ever see it truly used down to dead.
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