
48V 10.4Ah/13Ah/15Ah/16Ah/20Ah lithium-ion downtube battery for Ridstar H20 Pro folding fat-tire ebike. 13S4P/13S5P, BMS 15–40A, 2C/3C discharge, 426/451×110×68mm, 2A/3A/4A charger.
| Parameter | Value |
|---|---|
| Nominal Voltage | 36V / 48V |
| Nominal Capacity | 10.4Ah / 13Ah / 15Ah / 16Ah / 20Ah |
| Cell Configuration | 13S4P / 13S5P |
| Battery Cell | 18650 (2600mAh / 3200mAh / 3500mAh) |
| BMS | 15A / 20A / 30A / 40A |
| Discharge Grade | 2C / 3C |
| Battery Position | Down Tube (Integrated) |
| Size | 426 / 451 × 110 × 68 mm |
| Charger | 2A / 3A / 4A |
| Compatible Motor | 250W – 1000W |
| Battery Type | Lithium Ion (Li-ion) |
✅ Downtube Fit: Direct fit for the Ridstar H20 Pro downtube battery mount.
✅ 48V Power: Matches the Ridstar H20 Pro 48V system.
✅ 10.4Ah–20Ah Capacity Choices: Choose the capacity that fits your range needs.
✅ 13S4P/13S5P Configurations: Grade 18650 cells with 2600/3200/3500mAh options.
✅ 15A/20A/30A/40A BMS: Protects against overcharge, over-discharge, over-current and short circuit.
✅ 2C/3C Discharge: Supports the 1000W rear hub motor under load.
Brand: Compatible replacement (OEM-style)
Product Name: Ridstar H20 Pro Downtube Lithium Battery
Nominal Voltage: 36V / 48V
Capacity: 10.4Ah / 13Ah / 15Ah / 16Ah / 20Ah
Configuration: 13S4P / 13S5P
Size: 426 / 451 × 110 × 68 mm
BMS: 15A / 20A / 30A / 40A
Charger: 2A / 3A / 4A
Discharge: 2C / 3C
Motor Compatibility: 250–1000W
Battery Type: Lithium Ion (Li-ion)
Please verify your bike is a Ridstar H20 Pro folding fat-tire e-bike using the downtube battery and confirm the original voltage (48V) before ordering to prevent incompatibility.
Capacity options are selected at purchase; please confirm the required Ah before ordering.
Only the battery pack is included; charger, frame or other accessories are not part of this listing.

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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.
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