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- dafuli01@ebikeserviceparts.com
48V square integrated e-bike battery, 13Ah 15Ah 17.5Ah 20Ah. Compatible with Samebike RS-A08, Freedare Saiga, Meebike Gallop. 100x100x420mm, 30A BMS, up to 1000W motor.
Samebike / Freedare / Meebike Replacement 48V Square Integrated E-bike Battery – 13Ah / 15Ah / 17.5Ah / 20Ah
This square integrated down-tube battery is a direct replacement for fat-tire e-bikes using the 100x100mm square battery dock, including the Samebike RS-A08, Freedare Saiga, and Meebike Gallop. Built to handle up to 1000W motors, it delivers strong power and longer range with Korea/Japan 18650 cells and a smart 30A BMS.
Compatibility
✅ Samebike RS-A08 (Fat Tire) E-Bike
✅ Freedare Saiga (Fat Tire) E-Bike
✅ Meebike Gallop Step Thru E-Bike
✅ Also fits other e-bikes using the same square integrated battery dock
✅ Fits motors rated up to 1000W
Precise Dimensions & Specifications
| Parameter | Value |
|---|---|
| Battery Type | Square integrated down-tube battery |
| Nominal Voltage | 48V |
| Nominal Capacity | 13 / 15 / 17.5 / 20Ah |
| Dimensions | 100 × 100 × 420mm |
| Cell Type | Korea/Japan 18650 Li-ion |
| Cell Capacity | 2600 / 3000 / 3500mAh |
| Configuration | 13s5p |
| BMS Protection | 30A |
| Charger | 54.6V 2A / 3A |
| Display | LED power indicator |
| Weight | 3.7kg |
| Cycle Life | 800–1000 times |
| Fit Motor | up to 1000W |
Package Includes
1 × Square integrated down-tube battery (capacity as ordered)
1 × 54.6V 2A/3A charger
Key Features
✅ Drop-in Replacement: Built to the 100x100mm square integrated battery dock specs for a true fit.
✅ Multi Capacity: 13Ah / 15Ah / 17.5Ah / 20Ah options to balance range and weight.
✅ Up to 1000W Support: Designed for high-power 750W+ hub motors.
✅ Quality Korea/Japan 18650 Cells: Stable discharge and long service life (800–1000 cycles).
✅ Smart 30A BMS: Over-charge, over-discharge, over-current and short-circuit protection.
✅ LED Power Indicator with Charge and Discharge Ports.
Specifications
Brand: OEM compatible (customizable)
Product Name: Square Integrated Down-tube E-bike Battery
Nominal Voltage: 48V
Capacity: 13 / 15 / 17.5 / 20Ah
Dimensions: 100 × 100 × 420mm
Cell: Korea/Japan 18650 (2600/3000/3500mAh)
Configuration: 13s5p
BMS: 30A
Charger: 54.6V 2A / 3A
Display: LED power indicator
Weight: 3.7kg
Cycle Life: 800–1000 times
Compatible Bikes: Samebike RS-A08, Freedare Saiga, Meebike Gallop
Fit Motor: up to 1000W
Important Notes
Please verify your bike’s original battery voltage is 48V and connector matches before ordering.
Original capacities vary by model (Samebike RS-A08 17Ah, Freedare Saiga 20Ah, Meebike Gallop 20Ah); confirm your bike’s spec and desired range when ordering.
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.
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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.
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