36V 13Ah / 15Ah / 17.5Ah / 18Ah / 20Ah Hidden E-Bike Battery, 468Wh-720Wh, 10S5P, 21700 Cells, 20A BMS, Fit 500W, Compatible with Accolmile Antelope 700C Step-thru Electric City Bike

36V/48V hidden e-bike battery for Accolmile Antelope 700C step-thru city bike, 10.4Ah-20Ah (up to 720Wh), 21700 cells, 20A BMS, 411×92×73mm, CE/RoHS/UN38.3 certified.

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36V / 48V Hidden E-Bike Battery (21700)

This is a 36V / 48V integrated (hidden frame) lithium-ion battery using 21700 cells, available in 10.4Ah to 20Ah capacities across voltage options (up to 720Wh). Engineered as a drop-in replacement for the Accolmile Antelope 700C Step-thru Electric City Bike, with flexible fit for electric, mountain, city and cruiser bikes. Built with 21700 Li-ion cells, it delivers 800-1000 charge cycles through a 20A BMS, with an LED display and CE / RoHS / UN38.3 / MSDS certification.

Compatibility

✅ Accolmile Antelope 700C Step-thru Electric City Bike

✅ Compatible with 36V / 48V 500W motor systems

✅ Mount: Integrated (hidden frame)

✅ Fits electric bike, mountain bike, city bike, cruiser bike

⚠️ Important: Fits integrated / hidden frame battery slot; verify voltage, mounting and connector before ordering.

Capacity Options

VoltageModelCapacityEnergyConfigurationWeight
36V13Ah13Ah468Wh10S5P3.5kg
36V15Ah15Ah540Wh10S5P3.5kg
36V17.5Ah17.5Ah630Wh10S5P3.5kg
36V18Ah18Ah648Wh10S5P3.5kg
36V20Ah20Ah720Wh10S5P3.5kg
48V10.4Ah10.4Ah499Wh13S4P3.5kg
48V12.8Ah12.8Ah614Wh13S4P3.5kg
48V14Ah14Ah672Wh13S4P3.5kg

Key Features

✅ Integrated Frame Fit: Hidden frame shell (411 × 92 × 73 mm) mounts flush inside the frame and locks in place.
✅ Multi-Capacity Options: Choose 36V 13Ah-20Ah or 48V 10.4Ah-14Ah to match your range.
✅ Premium 21700 Cells: High energy density for stable voltage and long service life.
✅ 20A Smart BMS: Over-charge, over-discharge, over-current and short-circuit protection.
✅ 800-1000 Cycle Life: Reliable performance across years of commuting.
✅ Certified Safety: CE, RoHS, UN38.3, MSDS compliant.
✅ LED Display: Check remaining capacity at a glance; protected discharge and charge ports.

Technical Data

ParameterValue
Nominal Voltage36V / 48V
Nominal Capacity36V: 13Ah-20Ah / 48V: 10.4Ah-14Ah
Cell21700 Li-ion
Size411 × 92 × 73 mm
Weight3.5kg
BMS20A
Charger42V / 54.6V, 3A
Fit Motor500W
Cycle Life800-1000 Times
DisplayLED
Battery PositionIntegrated (hidden frame)
ApplicationElectric bike, e-bike, electric vehicle
CertificationCE / RoHS / UN38.3 / MSDS

Packing List

  • 1 × Battery (integrated frame mount)
  • 1 × Charger (42V / 54.6V, 3A)
  • 1 × User Manual

Specifications

Product Name: 36V / 48V Hidden E-Bike Battery (21700)

Voltage: 36V / 48V

Capacity: 36V: 13Ah / 15Ah / 17.5Ah / 18Ah / 20Ah; 48V: 10.4Ah / 12.8Ah / 14Ah

Cell: 21700 Li-ion

Size: 411 × 92 × 73 mm

Weight: 3.5kg

BMS: 20A Smart BMS

Charger: 42V / 54.6V, 3A

Fit Motor: 500W

Cycle Life: 800-1000 Times

Display: LED

Battery Position: Integrated (hidden frame)

Application: Electric bike, e-bike, electric vehicle

Certification: CE / RoHS / UN38.3 / MSDS

Fit For: Accolmile Antelope 700C Step-thru Electric City Bike

Important Notes

  • Confirm your bike uses an integrated / hidden frame battery slot and matches the voltage (36V or 48V) before ordering.
  • This is a replacement battery, not an original Accolmile item — verify mounting, connector and BMS protocol first.
  • Charge with the included charger (42V / 54.6V 3A) matching your battery voltage.
  • Warranty: battery 18 months, charger 12 months.
  • Range varies with rider weight, terrain and assist level.

testimonials

What Our Riders Say

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.

Mark Wilson Repair Technician

Flexible mixed‑batch ordering is a game‑changer for my business. Low‑risk trial‑order options, fast delivery and solid OEM‑ODM service help me expand my product range with zero inventory pressure.

Jennifer Carter Wholesale

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.

Ryan Thompson ebike shop owner

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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.

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.

We provide part identification, model matching and full order follow-up support.