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Ecotric Replacement 36V Battery for Ecotric Lark Electric Bike

🏍 Goes Up To 20 MPH!

⏪ 30 Day Return Policy!

🚚 FREE Shipping in 2-3 Days!

📝 18-Month FULL Manufacturers Warranty!

Original Price $239.00 - Original Price $239.00
Original Price
$239.00 - $239.00
Current Price $239.00

Ecotric Replacement 36V Battery for Ecotric Lark Electric Bike

Upgrade your riding experience with the Ecotric Replacement 36V Battery designed exclusively for the Ecotric Lark Electric Bike. This cutting-edge 36V 10Ah (360 Wh) Lithium-Ion battery pack is engineered to deliver unparalleled performance and reliability. Whether you're a daily commuter or a weekend adventurer, this battery pack is your ticket to extended journeys and worry-free rides. Let's explore the remarkable features that make this battery a game-changer for electric bike enthusiasts.

High-Quality Lithium-Ion Cells

At the heart of this battery pack lies a collection of high-quality lithium-ion cells known for their impressive energy density and exceptional discharge efficiency. These advanced cells are the key to unlocking the Ecotric Lark's full potential, providing you with the power needed to conquer various terrains and long-distance rides. Whether you're navigating urban streets or tackling off-road trails, these cells ensure your electric bike performs at its best.

But quality isn't just about performance; it's about durability too. The Ecotric Replacement Battery boasts a super long service life, with a cycle life that can reach more than 600 cycles. This longevity means you can rely on this battery pack for countless adventures, making it a smart and sustainable choice for eco-conscious riders. Say goodbye to frequent battery replacements and hello to years of uninterrupted riding pleasure.

Detachable Design for Convenience

Ecotric understands that convenience is key when it comes to electric bike batteries. That's why they've designed this replacement battery with a detachable feature. Gone are the days of lugging your entire bike indoors to charge the battery. With this ingenious design, you can simply remove the battery pack and take it home for charging. It's a game-changer for urban riders and commuters who want to keep their bike safe from theft or vandalism.

The detachment process is a breeze, and you won't need to fuss with any intricate wiring connections. The battery securely mounts to the base without the need for wires or cables, ensuring a hassle-free experience. This user-friendly design saves you time and effort, so you can focus on what matters most—enjoying your ride.

Extended Range for Ultimate Freedom

Picture this: you're out on your Ecotric Lark Electric Bike, exploring new horizons, and you suddenly realize you've ventured farther than ever before. Thanks to the Ecotric Replacement Battery, you no longer have to cut your adventure short. A spare battery can double the distance you travel, giving you the freedom to fully immerse yourself in the journey without being bothered by low power warnings.

With the 36V 10Ah capacity, this battery pack offers the endurance you need for those epic rides and longer commutes. It's the perfect companion for riders who want to break free from range limitations and experience the thrill of extended journeys. Whether you're exploring scenic routes, running errands, or simply enjoying a leisurely ride, this battery has your back.

Built for the Ecotric Lark Electric Bike

The Ecotric Replacement 36V Battery is not just any generic electric bike battery—it's tailor-made for the Ecotric Lark Electric Bike. This precision engineering ensures a seamless fit, both physically and electrically. You can trust that this battery pack is optimized to work in harmony with your Lark, delivering consistent power output and performance.

Compatibility matters, and Ecotric has left no room for compromise. When you invest in this replacement battery, you're making a choice that guarantees a hassle-free experience. No more worrying about compatibility issues or modifications—simply swap out your old battery for the Ecotric Replacement Battery, and you're ready to roll.

Eco-Friendly and Sustainable

At Ecotric, sustainability is at the core of their mission. By choosing the Ecotric Replacement 36V Battery, you're not only enhancing your riding experience, but you're also making an eco-conscious choice. Lithium-ion batteries are renowned for their environmental benefits, including reduced greenhouse gas emissions and energy efficiency.

By extending the life of your electric bike with a reliable replacement battery, you're contributing to a more sustainable future. Fewer battery replacements mean less waste in landfills and a reduced overall carbon footprint. It's a small step towards a greener planet, but every effort counts, and Ecotric is proud to be part of the solution.

Safety First

Safety is paramount when it comes to electric bike batteries, and Ecotric takes this aspect seriously. The Ecotric Replacement Battery is equipped with robust safety features to ensure your peace of mind during your rides. These features include overcharge protection, over-discharge protection, short-circuit protection, and temperature control.

With these safeguards in place, you can confidently explore your surroundings without worrying about battery-related mishaps. The battery's intelligent management system actively monitors and manages these safety mechanisms, so you can focus on the road ahead, knowing you're in good hands.

Easy Installation and Maintenance

Ecotric is committed to making your electric bike experience as hassle-free as possible. That's why they've designed the Ecotric Replacement Battery for straightforward installation and minimal maintenance. Whether you're a seasoned electric bike enthusiast or a newbie, you'll appreciate the user-friendly approach.

The battery pack comes with clear, step-by-step instructions to guide you through the installation process. No need for complex tools or technical expertise—Ecotric has ensured that anyone can install this battery with ease. Plus, the low-maintenance design means less time spent on upkeep and more time spent enjoying the open road.

The Ecotric Replacement 36V Battery for the Ecotric Lark Electric Bike is a game-changing addition to your electric bike setup. Its high-quality lithium-ion cells, detachable design, extended range, and tailored compatibility with the Ecotric Lark make it a must-have for riders looking to elevate their cycling experience.

But this battery is more than just a performance booster; it's a sustainable choice that aligns with Ecotric's commitment to environmental responsibility. With safety features, ease of installation, and minimal maintenance, it's clear that Ecotric has gone above and beyond to ensure that this replacement battery meets the needs of riders of all skill levels.

Invest in the Ecotric Replacement 36V Battery today and unlock a world of possibilities for your Ecotric Lark Electric Bike. Say goodbye to range anxiety and hello to endless adventures on two wheels. Ride smarter, ride longer, and ride greener with Ecotric.





Rated voltage: 36V

Battery capacity: 10Ah

Weight: 8lb

Built-in charge level indicator

Lockable and removable with two includes keys


The battery also has an 18-month warranty. You can view our return policy for details.

FREE Shipping in 48 States!

Shipping takes 2-3 business days on most orders, with a max of 6-8 business days for more off beat addresses.

ALL of our Orders are Shipped from our Warehouses right here in the USA!

Ecotric Electric Bikes are Shipped 95% assembled! Simply mount the front wheel, set the handlebars, and screw in the pedals. Then enjoy the ride!

FREE Shipping is offered through UPS, FEDEX & USPS.

Spare parts typically ship via USPS, while ebikes and batteries typically ship via UPS or FedEx

If a wrong or insufficient shipping address is porvided, you will be responsible for the second shipping cost.

As soon as your bike has shipped, you will receive an email with Tracking Number allowing you to see the scheduled delivery time to your exact adderss.

Pick Up from Oakland, CA Warehouse...
If you wish to pick up your order directly from the warehouse, please contact us to set up a pick-up date and time via email

Ecotric Return Policy

  1. Ecotric Electric Bicycle Return Policy allows you to return or exchange your electric bicycle once within 30 days start from the date of receiving the bike. Please check the warranty terms for complete information for when a return is applicable. Please note that we do not accept the return of the spare parts or accessories(except battery).

  2. Please request a Return and Exchange Authorization. (contact ECOTRIC Support for a return label at Once the Return and Exchange Authorization is issued, we will email you a return label. You must print the return label and stick it on the box to ship back the electric bike.

  3. Ship-back charge:

         a. If the unit purchase under a free-shipping promotion, there will not be a refund for shipping cost. However, the customer will have to bear the 20% restocking fee of the original price if the return is unrelated to quality, damages or wrong item but merely for a personal and discretional last-minute decision from the buyer.

         b. If the return is accepted, Ecotric will issue a pre-paid shipping slip to you by email. You print the return label and stick it on the box, and take the package to the nearest UPS store.(If you need the pick-up service, please tell us, and we will arrange a return label with the pick up fee for you, but customer will need to pay for this pick-up fee.)

  4. The returned unit must be in like-new condition, include all original packaging,  accessories, and documentation. Any missing components may be deducted from the refund . Any shipping damage during the ship-back may incur a deduction from the refund. 

  5. Returned units are subject to a 20% of inspection and restocking fee from the original price plus 

    There will be 3% charge that will be deducted from the original price paid. This fee is mandated by the bank and/or credit card company and not within our control.

  6. The refund will be issued in an average time frame of 2-3 weeks after we are receiving, inspecting, and processing the returned unit.

  7. If customer wants to cancel the order after the shipping label being created, customer will have to bear the shipping cost.

Warranty information

To make a warranty claim always keep handy the E-Bike model, date of purchase, E-Bike serial number as well as the original order number from our website.

Every ECOTRIC electric bicycle purchased on our website comes with an 18 months warranty ( In the period of 18 months from purchase by Official Authorized Store) against manufacturing defects in materials or workmanship on its frame, battery, motor, controller, and display.

This warranty applies only to the original buyer of the ECOTRIC bicycle and is not transferable under any circumstances. The original buyer refers to the buyer who can provide the order number.

This limited warranty does not apply to normal wear and tear, malfunctions, or failures due to abuse, neglect, improper repair, improper maintenance, alteration, modification, damage or failure due to accident or other improper use, installation of third party components, parts, or accessories, or any products that have been modified from manufacturer’s specifications. The battery warranty does not include damage from power surges, use of improper charger, improper maintenance or other such misuse, normal wear or water damage.

It is important that you register within 30 days after the original purchase to activate the warranty, all fields are required to successfully submit your registration form.



For your reference, please refer to below comprehensive warranty:

1. Frame – are warranted to be free from defects in material or workmanship for 18 months from purchase by Official Authorized Store. Paint finish is considered consumable and is not part of the warranty.
2. Display, Controller and Motor Assembly – are warranted to be free from defects in material or workmanship for a period of 18 months from purchase.
3. Original Batteries – are warranted to be free from defects in material or workmanship for a period of 18 months from the date of purchase as follows: full replacement during the first 12 months, while replacements needed during months 13-18 are prorated.

The battery is sealed and cannot be opened or fixed. The battery should not have a percentage of nominal charge retention of 60% or less. Misuse of the battery, negligence or attempt to open or repair it will void the warranty.

4. General: The bicycle is backed up by a 18 months main warranty, certain components listed on this chart or consumables may be subject to a different period of coverage or not included in this warranty.

5. Consumables: Components subject to wear are not covered by the warranty: Tires, inner tubes, brake lever, brake caliper, brake lines, brake pads, basket, wheel lining tape, light bulbs, LEDS, fuses, etc.

Exclusions: The other parts are Normal wear parts which are excluded from this warranty.
If any parts happen to be damaged during shipping, please contact us immediately after shipment arrival. ECOTRIC will send a replacement part at our expense and will work with you to fix the issue.
Please note that for warranty issues, the customer is responsible for the cost of labor to install warrantied components, however, we will cover the Shipping costs of warranty parts.

If the warranty is void for any reason the customer shall bear any repair or replacement costs resulting from vehicle misuse, negligence or abuse.
Always follow care and preventive maintenance procedures.
Always keep receipts from any services performed to the vehicle by an authorized distributor or service center.
The warranty will be voided by any of the following circumstances:

  1. Failure to follow all directions or recommendations listed in the user manual.
  2. Cycling collision, accident or vehicle damage caused by careless parking 
  3. Acts in violation of laws 
  4. Never registered your ebike or cannot provide the order number
  5. DIY repairs on electronics
  6. Abusive use the bicycle in off-road terrain, mud, snow, water, sand, gravel and water
  7. If the bicycle is used as rental unit 
  8. Damages caused by natural disasters such as earthquakes, lightning, fire, flooding and other hazards .
  9. Rust and/or paint fading caused to heavy exposure to rain, hail, snow or direct sunlight for prolonged periods of time.
  10. Overloading beyond recommended capacity .
  11. Damages caused by nails, needles, broken glass , debris , sharp rocks or other foreign objects .
  12. If the bicycle is used but not limited to stunts, jumping from ramps, stairs or elevated ramps.
  13. If vehicle is used in competitions or racing.
  14. If vehicle has been modified for any purposes on the motor, electrical system, suspension frame, and battery.
  15. Use of other components not approved by the manufacturer.
  16. Damages resulted from improper care and handling.

Due to the nature of the product some components must be exclusive from the manufacturer such as but not limited to the battery, motor, main gauge cluster, controllers, Led headlights, brake drums or disc rotors and pads etc. Other components such as tires, tubes, saddle, racks, baskets may be used from market-ready or compatible products previous approval from the retailer or manufacturer.
For any questions about your warranty or to make any claims please contact ECOTRIC bikes at:



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