Slide-in Downtube Ebike Lithium Battery, 36V 13Ah-17.5Ah 48V10.4Ah-14Ah Built-in Replacement Battery, Fit HillMiles MileCity1 MileTrail1 & URLIFE E26

414×64×93mm slide-in downtube built-in ebike lithium battery, public mold ABS housing. 36V(13-17.5Ah)/48V(10.4-14Ah). Replacement battery for HillMiles MileCity1, MileTrail1, URLIFE E26, Touroll, Onesport. 20-30A BMS, DC charge port & 5-pin discharge connector.

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Slide-in Built-in Downtube Lithium Battery Pack

This slide-in built-in downtube lithium battery pack is aftermarket replacement power source for selected electric bike models.
This battery adopts industry public mold ABS plastic housing with dimension 414×64×93mm. Slide rail design enables simple installation and removal from ebike downtube. Battery head integrates front LED capacity indicator, DC charging port and 5 pin discharge port. Equipped with built-in multi-protection BMS, multiple voltage & capacity options for ebike repair and replacement.

Compatibility

✅ Typical matching models: HillMiles MileCity1, HillMiles MileTrail1, URLIFE E26, Touroll, Onesport
✅ Designed as direct replacement for the above e-bike models with this original battery assembly

✅ Fit motor: 500W /750W /1000W ebike motor⚠️ Note: Physical shell fit does NOT guarantee communication compatibility with original ebike dashboard. Even if the battery can be installed into the frame, the BMS communication protocol and pin definition may not match the original controller/display.

Precise Specifications

ParameterDetails
Battery StyleSlide-in built-in downtube ebike lithium battery, ABS public mold case
Dimension414×64×93mm
Nominal Voltage36V / 48V optional
48V Optional Capacity10.4Ah /11.6Ah /12Ah /12.8Ah /14Ah
36V Optional Capacity13Ah /14.5Ah /15Ah /16Ah /17.5Ah
48V Full Charge Voltage54.6V
36V Full Charge Voltage42V
Charge Current2A Standard, 4A Fast charge
Max Charging Current5A
BMS Max Continuous Discharge Current20~30A
Cycle Life800-1000 cycles
Shell MaterialABS Plastic Battery Case (Public Mold)
Charge PortDC charge port
Discharge Port5 Pin discharge connector
Operating Charge Temperature0 ~ 45℃
Operating Discharge Temperature-20℃ ~ 65℃
OEM/ODMAcceptable

Package Includes

1 × Slide-in downtube lithium battery pack (selected voltage & capacity)

1 × User Manual

Key Features

✅ Public Mold ABS Slide-in Housing
Industry standard public mold ABS shell, 414×64×93mm, slide rail structure for easy sliding into downtube frame. Multiple ebike brands adopt this same battery assembly. Empty shell available from multiple plastic mold factories, support OEM custom logo and connector pinout.
✅ Wide Voltage & Capacity Selection
Two voltage options:36V &48V. Rich capacity range from 10.4Ah up to 17.5Ah, to meet different mileage requirement for urban commuting.
✅ Built-in Multi-protection BMS 20-30A
Built-in BMS provides over-charge, over-discharge, over-current, short-circuit and temperature protection. Supports max continuous discharge current 20-30A, compatible with 500W~1000W ebike motors.
✅ Front LED Capacity Indicator
LED power indicator on battery head to quickly check remaining battery level at glance.
✅ Dual Port Design: DC Charge + 5Pin Discharge
Separate DC charging port and 5 pin discharge connector, matches original port for HillMiles, URLIFE E26, Touroll, Onesport ebikes. Custom connector service available.
✅ Long Cycle Life 800-1000 Times
High quality lithium cells, reach 800~1000 charge cycles, stable performance for daily long term commuting.
✅ Customization Available
Support OEM & ODM: custom silk print logo, connector pin definition, BMS parameter according to buyer’s demand.

Important Notes

Please double check your original battery dimension, shape and connector pinout before purchase to avoid fitment issue.
This is third-party aftermarket replacement battery, NOT OEM original battery.
Physical matching of battery housing cannot guarantee communication function with original ebike display.
Charger is NOT included in package. Must use matched dedicated lithium ebike charger.
Dimension tolerance ±1~2mm exists due to production batch.
Do not disassemble, crash or soak battery in water.
Ideal replacement spare battery for ebike shops, wholesale buyers and DIY ebike users.
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What Our Riders Say

We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.

It used to take me weeks to hunt down hard‑to‑find e‑bike spare parts. Their compatibility‑check technical support saved me countless repair headaches. Reliable supplier I can always count on.

Mark Wilson Repair Technician

Flexible mixed‑batch ordering is a game‑changer for my business. Low‑risk trial‑order options, fast delivery and solid OEM‑ODM service help me expand my product range with zero inventory pressure.

Jennifer Carter Wholesale

We have been sourcing e‑bike components from them for over one year. Product quality is consistent, and their responsive after‑sales support makes our daily shop‑running much easier. Highly recommended.

Ryan Thompson ebike shop owner

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Frequently Asked Questions

We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.

We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.

All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.

Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.

Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.

Sea freight, air freight and rail transport are optional.

Lead time varies by item and shipping mode. We confirm exact timelines before each order and share tracking updates.

We provide part identification, model matching and full order follow-up support.