10 Best E-Bike Li-ion Battery Taillight of December 2025

• 【ULTRA-BRIGHT LED BIKE TAIL LIGHT】- Smart bike lights with turn signal has 29 of 85LM LED lights, which is too bright enough to be seen from 150ft away in foggy/rainy day/dark night or even during the day. How intelligent tail light for bike back and cycling safety.
• 【WIRELESS REMOTE CONTROL BIKE LIGHTS】- Remote control the bike tail light to send signals in six different modes (Steady Light/ Warning Light/ Flicker Light/ Turn Left/ Turn Right/ Brake Light), which is easy to use buttons on the wireless controller. Remote control on handlebar, easy for cyclist to control during riding. Suitable for Mountain, MTB and Road Bicycles.
• 【USB RECHARGEABLE BIKE TURN SIGNALS】 - The bike turn signals use 2200mAh Li-on battery, allow the bike tail light to be fully charge in 3-4 hours and can work for about 7 hours under constant brightness. The remote control use 180mAh Li-on battery, which can keep working for more than 2 months after 1-2 hours fully charge. Both the signal light and remote control can be charged from any USB Port, convenient and save your money and hassle.
• 【EASY TO INSTALL】 - Take out the turn signal and the fixed support in the packing box, along the grooves, slide the fixed support in grooves and snap the buckle. Put the loaded turn signal on the bicycle seat tube and tighten it with screws, suitable seat tube: 0.98-1.26in. The remote control is fixed on the bike handle and tighten it up with a screwdriver, suitable handle bar: 0.71-1.1in.
• 【IPX4 WATERPROOF】 - IPX4 Waterproof level make this bike turning light can be used in small to moderate rain in the temperature of in -4-140°F -- your best partner for outdoor biking. Cycling Safety Mountain Bike.

Panapo

• 【Fast Delivery】The Ebike battery will be shipped from CA/GA, You will get your electric bike battery with in 3-7 business days normally
• 【Ebike battery specification】This Ebike battery is 36V 10Ah, compatible with 200-500W motor. Max constant discharge current: 20A. It comes with battery 42V 2A charger . The upgrade battery with light indicator, you will know the battery power clearly.
• 【Waterproof Battery】The outer layer of the battery pack is made of waterproof PVC material, insulation, anti-corrosion and wear resistance . The inner layer has the advantages of low melting point, waterproof seal and high adhesion.For the battery life, please put it in a bag or a case when using.
• 【Long life time】Every Lithium battery have pass the QC appearance and function test before shipment. The Ebike battery charge cycle exceeds 1000 times, life expectancy of up to 5 years. Standard connector with #5 connector(T plug). If you need other connectors, please contact us.
• 【Warranty】30 day free return, 1 year quality assurance, if the ebike battery damaged within one year, we offer free repair service in USA. For any question just let us know.

VISET LI

• INCLUDED Bosch E-bike System plug
• REMOVE Bosch plug to work with any 6V-15V e-bike system
• 3 RED POWER LEDS
• SEATPOST or seatstay mounting
• 220 DEGREES of visibility
• Fit Type: Universal Fit
• Sport Type: Cycling

Portland Design Works

• 【Smart Super Bright Bicycle Tail Light】Our bicycle taillights are equipped with 100 lm LED light to provide excellent lighting, ensuring the safety of long-distance riding in rainy and foggy weather, making your night travel more convenient and safer. This is the best taillight for your bicycle, a great gift for family or friends.
• 【Remote Control with Turn Signal】This bike tail light comes with left and right turn signals, which can be turned on by the remote control. There are 3 modes: red light,red light-flashing,and all flashing, which can better attract the attention of other cyclists and make each other more riding safety.
• 【Waterproof and Rechargeable】The IPX4 waterproof design makes this rear bike light more convenient to travel on rainy days. Built-in 1000mAh large capacity battery, which can be quickly charged through the USB interface, so you don’t need to worry about running out of battery.
• 【Easy to Install and Adjustable】This wireless bike tail light is compatible with most mountain or road bikes and is easy to install and use. The visual range of this bicycle tail light can reach 270 degrees, and the angle can be adjusted according to your needs to obtain the best viewing angle.
• 【Long Lasting and Worry-free Shopping】Our bicycle safety warning cycling light for night is made of high-quality material, which is drop-resistant, wear-resistant and has a long service life. If you have any dissatisfaction with our bicycle taillights, please feel free to contact us for replacement or refund.

MOMIMO

• 🚚【 2-5 Days Fast Delivery】Please ignore the delivery Estimate date in system, we ship from USA, normally it takes 2-5 business days to delivered at you.
• 👍【One month free Return/ One Year Warranty/ Lifetime Technical Support】One month free return, one year quality assurance, if your product damaged within one year, we offer free repair service in USA, if the battery can't repaired, we will send new one to you for free. Any problem, please contact seller for help.
• 🏅🔋👍【Parameter 】This Ebike battery is 48V 13AH, 1000W/750W/500W motor（50W-1000W） motor. Max constant discharge current: 30A. Size: 370*90*110MM. Charger: 54.6V 2A . Discharge：Anderson（Male&Female Side）
• 🏅🔋【Key Features】The battery has a usb socket, which can be used to charge other out-of-home devices. 📌 Bottom of the battery is a 4pin bottom plate, which is easy to disassemble and replace. 📌Equipped with a switch, which can be turned off in time without using the battery to avoid wasting power. 📌 LED power Indicator, inform you charge your battery on time.
• 🏅🔋【 ≥80% Capacity After 800 Cycles】adideer has implemented a strict high quality management policy:Every Lithium battery have pass the QC appearance and function test before shipment. The Ebike battery charge cycle exceeds 1000 times, life expectancy of up to 5 years.

adideer

• 🚴 【US Warehouse in Stock】Ship from CA, US, normally it takes 2-5 business days to delivery
• 🚴 【Output】52V 20AH ebike battery, Domestic 2500 battery cell, suitable for 1000W/750W/500W/250W motors, 30A BMS Protection Board, 58.8V 2.5A charger. Comes with a pair of Anderson connectors with wires for battery end and controller end
• 🚴 【High Quality】High quality lithium ion cell and equipped with a BMS protection board in battery prevent from over charge, over discharge, over current and short circuit to ensure the long life expectancy
• 🚴 【Design】E-bike battery with taillight ensure you drive safely, and the battery level lights can inform you to charge in time. Sturdy aluminum shell, easy to transport and to take it. Modern Shape design, easy to install and remove. The USB port can charge your phone and other devices in outdoor
• 🚴 【Battery Rack】The E-bike Li-ion battery with a rack, it is very easy to assemble, and it fits for 24'' 26'' 28'' wheels
• 🚴 【One-Year Warranty】If the product have any problems, just contact with our store, we have after-service in American and professional people to solve it ( Any other Volt, wattage and request, please contact with us, we can customize for you )

J JOYISI

• [MATERIAL]: Made of high‑quality materials, durable and easy to use.
• [CONVENIENT]: The tail light can be connected to the controller or directly to the battery.
• [180 DEGREE]: With a large beam angle of 180 degrees, you can see the tail lights of electric bicycles in different directions.
• [LED LIGHT]: LED warning light, increase night cycling safety.
• [IDEAL CHOICE]: Wonderful cycling equipment for night riding.

Vikye

• 🌷 【Output】48V 20AH Rear Rack Lithium E-Bike Battery Pack with Taillight+Double Layer Luggage Rack
• 🌷 【Performance】Battery Suitable Motor power 250W 350W 450W 500W 650W 750W 800W 1000W
• 🌷【Perfect Design】Light taillight , easy to install and remove. Eco friendly and safe to use
• 🌷【Technology Skill】Comes with a charger, when charging, please open the switch and charge for at least 8 hours, when the red light of charger turns green, it means fully charged.
• 🌷【Battery Rack 】The Ebikes Li-ion battery with a rack, it is very easy to assemble.

KENPLA