TST Buddy 20” Folding Ebike 48V 10.4Ah 12.8Ah 14Ah Lithium Ion Battery for TST Buddy Folding E-bike, 13S4P 18650 Replacement

48V 10.4Ah/12.8Ah/14Ah replacement lithium battery for TST Buddy 20” folding ebike. 13S4P 18650, BMS 25A/30A, 54.6V 2A/3A charger, supports 250–1000W motors. Direct fit for TST Buddy folding e-bike.

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TST Buddy 20” Folding Ebike 48V 10.4Ah / 12.8Ah / 14Ah Lithium Ion Battery
This replacement lithium-ion battery is designed for the TST Buddy 20” Folding Ebike. Built with a 13S4P 18650 configuration and a 25A/30A BMS, it delivers stable power to the TST Buddy’s rear hub motor while offering 10.4Ah, 12.8Ah or 14Ah capacity options to extend your daily riding range.
Compatibility
✅ TST Buddy 20” Folding Ebike
Please confirm your bike model and original battery voltage (48V) before ordering to ensure a correct fit.
Precise Dimensions
ParameterValue
Nominal Voltage48V
Nominal Capacity10.4Ah / 12.8Ah / 14Ah
Cell Configuration13S4P
Battery Cell18650 (2600mAh / 3200mAh / 3500mAh)
BMS25A / 30A
Charger54.6V 2A / 3A
Compatible Motor250W – 1000W
Battery TypeLithium Ion (Li-ion)
(Battery body dimensions to be confirmed from the original battery; please verify fit before purchase.)
Package Includes
1 × 48V E-bike Battery Pack (10.4Ah / 12.8Ah / 14Ah, per selected option)

1 × Integrated BMS (25A / 30A)

Key Features
✅ Folding Ebike Fit: Designed for the TST Buddy 20” folding electric bike, matching the original 48V battery requirement.

✅ 13S4P 18650 Configuration: Grade 18650 cells with 2600/3200/3500mAh options for reliable capacity and stable discharge.

✅ 25A / 30A BMS: Built-in management system protects against overcharge, over-discharge, over-current and short circuit.

✅ 54.6V 2A/3A Charging: Safe and efficient recharging with standard 48V ebike charger.

✅ 250–1000W Motor Support: Covers the TST Buddy’s rear hub motor and similar 48V commuter setups.

Specifications
Brand: Compatible replacement (OEM-style)

Product Name: TST Buddy 20” Folding Ebike Lithium Ion Battery

Nominal Voltage: 48V

Capacity: 10.4Ah / 12.8Ah / 14Ah

Configuration: 13S4P

BMS: 25A / 30A

Charger: 54.6V 2A / 3A

Motor Compatibility: 250–1000W

Battery Type: Lithium Ion (Li-ion)

Important Notes
Please verify your bike is the TST Buddy 20” folding ebike and that the original battery is 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 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.

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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.

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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.

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