36V 12.8Ah (461Wh)/14Ah (504Wh) Li‑ion E‑Bike Battery YJ145, High Power 18650/LG 3500 Cell, Replacement Battery for Telefunken Zündapp CHRISSON Nakamura E‑Bikes,

36V 12.8Ah(461Wh)/14Ah(504Wh) Li‑ion E‑Bike Battery YJ145 for E‑Bikes of Telefunken, Zündapp, Chrisson etc.

This high‑performance YJ145 series lithium‑ion e‑bike replacement battery is engineered for multiple brand electric bicycles. Equipped with High Power 18650 or LG 3500 battery cells, it delivers stable power output with long cycle life. It is a direct‑fit replacement battery for your original YJ145xxxx battery pack.

Compatibility

✅ Compatible battery model number: YJ145xxxx( also YJ1451004, YJ1451005 etc.)

✅ Compatible with E‑Bikes: Telefunken Multitalent RC657; Telefunken Multitalent RT540; Telefunken Multitalent RT530; Telefunken Expedition XT480; Telefunken Expedition XT481; Telefunken Kompakt F810; Zündapp Z503; Zündapp Z802, Green 7.7 (from year of construction 2021); CHRISSON E‑Bike City Herren E‑GENT; CHRISSON E‑Bike City Herren EH1; CHRISSON E‑Bike City Damen E‑LADY; Nakamura/E‑City 50; Nakamura/E‑City 110

❌ Not compatible with E‑Bikes: Zündapp Z802, Green 7.7 with the taillight luggage carrier battery EV021 (year of manufacture up to approx. 2020)

Precise Dimensions & Electrical Parameters

Package Includes

1 × YJ145 series 36V lithium‑ion e‑bike battery (12.8Ah or 14Ah according to your selection)

Key Features

✅ Perfect Replacement for YJ145xxxx Series Battery: Matches original battery specifications, direct fit for listed Telefunken, Zündapp, CHRISSON, Nakamura e‑bike models.

✅ Premium Grade Battery Cells: High Power 18650 for 12.8Ah version, LG 3500 cell for 14Ah version, stable power supply for daily cycling.

✅ Long Service Cycle Life: Supports 1000+ charge‑discharge cycles for long‑term daily use.

✅ Reliable Current Protection: Standard 10A, max 20A discharge current, 50A protection current for safe operation, end voltage 28V.

✅ No Charger Included: Works well with your original e‑bike charger, no extra charger inside package.

✅ Reasonable Weight: Approx. 2.8kg, suitable for luggage carrier mounted e‑bike installation.

Specifications

Product Name: 36V Li‑ion E‑Bike Replacement Battery YJ145 Series

Voltage: 36V Capacity: 12.8Ah / 14Ah

Energy: 461Wh / 504Wh

Weight: Appr. 2.8kg Cell

Type: High Power 18650(12.8Ah)/LG 3500(14Ah)

Cycle Life: 1000+

Standard Current: 10A

Max Current: 20A

Protect Current: 50A

End Voltage: 28V

Charger: Not included, use original compatible charger

Compatible Battery Model: YJ145xxxx (YJ1451004, YJ1451005 and more)

Fit E‑bike Brands: Telefunken, Zündapp, CHRISSON, Nakamura

Package: 1 × E‑bike lithium‑ion battery

Important Notes

Please double‑check your original battery model YJ145xxxx and your e‑bike model & production year before ordering to avoid incompatibility. Not fit for Zündapp Z802 Green7.7 equipped with EV021 taillight luggage carrier battery manufactured up to approx.2020. Charger is NOT included in package, only compatible with your original matched charger. Minor color difference may exist due to light and screen display. Allow minor manual measurement deviation. Ideal replacement for home DIY users, e‑bike repair shops and e‑bike spare parts dealers, restore your e‑bike riding power.