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Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Image 1
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Image 3
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Image 4
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Image 5
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Image 6
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Image 7
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Image 8
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Thumbnail Image 1
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Thumbnail Image 3
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Thumbnail Image 4
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Thumbnail Image 5
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Thumbnail Image 6
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Thumbnail Image 7
Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor - Thumbnail Image 8

Eskute ESP500 / WELKIN WKEM002 Replacement Battery 36V 17.5Ah, Integrated Hidden 13S5P/13S6P, 250W–1000W Motor

36V 10.4Ah/13Ah/14.5Ah/17.5Ah hidden integrated battery for WELKIN WKEM002 & Eskute ESP500. 13S5P/13S6P, BMS 20A, 2600–3500mAh cells, 42V 2A/3A charger, 250W–1000W.

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WELKIN WKEM002 / Eskute ESP500 E-bike Battery 36V 10.4Ah / 13Ah / 14.5Ah / 17.5Ah
This professional lithium-ion battery is a dedicated replacement spare part engineered for 36V hidden integrated e-bikes, covering the WELKIN WKEM002 and the Eskute ESP500. Featuring a high-capacity 13S pack, it restores reliable power and extends riding range.
Compatibility
✅ WELKIN WKEM002 E-bike (Hidden Integrated, 36V)
✅ Eskute ESP500 E-bike (Hidden Integrated, 36V)
Precise Dimensions
ParameterValue
Nominal Voltage36V
Nominal Capacity10.4Ah / 13Ah / 14.5Ah / 17.5Ah
Cell Configuration13S5P / 13S6P
Battery Cell2600mAh / 3000mAh / 3200mAh / 3500mAh Li-ion
BMS20A
Battery PositionIntegrated (Hidden)
Length415 mm
Charger42V 2A / 3A
Compatible Motor250W – 1000W
Battery TypeLithium Ion (Li-ion)
Package Includes
1 × Hidden Integrated Battery Pack (capacity per selected option)
1 × Integrated BMS (20A)
Key Features
✅ Hidden Integrated Fit: Precision profile fits the WELKIN WKEM002 and Eskute ESP500 frames.
✅ 36V 13S5P/13S6P Configuration: High-grade li-ion cells deliver stable, long-lasting power.
✅ 10.4Ah / 13Ah / 14.5Ah / 17.5Ah Capacity Choices: Choose the capacity that fits your range needs.
✅ 20A BMS Protection: Protects against overcharge, over-discharge, over-current and short circuit.
✅ 4-Pin Discharge Port + Capacity Indicator: Convenient and reliable interface.
Specifications
Brand: Compatible replacement (OEM-style)
Product Name: WELKIN / Eskute Hidden Integrated Lithium Battery
Nominal Voltage: 36V
Capacity: 10.4Ah / 13Ah / 14.5Ah / 17.5Ah
Configuration: 13S5P / 13S6P
Battery Cell: 2600mAh / 3000mAh / 3200mAh / 3500mAh Li-ion
BMS: 20A
Length: 415 mm
Charger: 42V 2A / 3A
Compatible Motor: 250W – 1000W
Compatible Models: WELKIN WKEM002, Eskute ESP500
Color: As shown in the picture
Package: 1 hidden integrated battery pack (capacity per selected option)
Important Notes
Please verify your e-bike uses the hidden integrated mount and confirm the original voltage (36V) 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 the package.
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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.

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.

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