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36V integrated e-bike battery, 10.4Ah 12Ah 14Ah. Replacement for Maxtron MT-11 MT-12 Trekking 28 inch. 405mm down-tube design, 20A BMS, fits 250W-500W motor.
Maxtron MT-11 / MT-12 Replacement 36V E-Bike Battery – 10.4Ah / 12Ah / 14Ah
This integrated down-tube battery is a direct replacement for the Maxtron MT-11 and MT-12 Trekking 28 inch e-bikes. Built to the same integrated battery dock as the original 36V 11.6Ah pack, it delivers reliable power and longer range with quality 18650 cells and a smart 20A BMS.
Compatibility
✅ Maxtron MT-11 Trekking 28 Inch E-Bike (Men’s)
✅ Maxtron MT-12 Trekking 28 Inch E-Bike (Women’s)
✅ Also fits other e-bikes using the same integrated battery dock
✅ Fits motors rated 250W–500W
Precise Dimensions & Specifications
| Parameter | Value |
|---|---|
| Battery Type | Integrated down-tube battery |
| Nominal Voltage | 36V |
| Nominal Capacity | 10.4 / 12 / 14Ah |
| Dimensions | ~405 × 67 × 86mm |
| Cell Type | 18650 Li-ion |
| Cell Capacity | 2600 / 3000 / 3500mAh |
| Configuration | 10s4p |
| BMS Protection | 20A |
| Charger | 42V 2A |
| Fit Motor | 250W–500W |
Package Includes
1 × Integrated down-tube battery (capacity as ordered)
1 × 42V 2A charger
Key Features
✅ Drop-in Replacement: Built to the Maxtron MT-11/MT-12 integrated battery dock specs for a true fit.
✅ Multi Capacity: 10.4Ah / 12Ah / 14Ah options to balance range and weight.
✅ Quality 18650 Cells: Stable discharge and long service life.
✅ Smart 20A BMS: Over-charge, over-discharge, over-current and short-circuit protection.
✅ Fits 250W–500W hub motors for daily commuting and touring.
Specifications
Brand: OEM compatible (customizable)
Product Name: Integrated Down-tube E-bike Battery
Nominal Voltage: 36V
Capacity: 10.4 / 12 / 14Ah
Dimensions: ~405 × 67 × 86mm
Cell: 18650 Li-ion (2600/3000/3500mAh)
Configuration: 10s4p
BMS: 20A
Charger: 42V 2A
Compatible Bikes: Maxtron MT-11, Maxtron MT-12 (Trekking 28″)
Fit Motor: 250W–500W
Important Notes
Please verify your bike’s original battery voltage is 36V and connector matches before ordering.
Maxtron MT-11 original battery is 36V 11.6Ah; the 10.4Ah/12Ah are equal-range options and the 14Ah is a longer-range upgrade.
Capacity, weight and dimensions may vary slightly by option; allow minor measurement tolerance.
Only the battery and charger are included; other accessories are not part of the package.
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.
For more FAQs and further details, please get in touch with us
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.
