Folding E-Bike Lithium Battery Pack
SUTENAI DCH-Series Hidden In-Frame Folding E-Bike Lithium Battery Pack –
DCH-003 / DCH-006 / DCH-009 Form Factors (36V, 48V & 52V Options) for 350W–1000W Motors (Includes Integrated Smart BMS & Key Lock)
Restore or upgrade the range of your foldable electric bicycle with the SUTENAI DCH-Series Concealed Lithium-Ion Battery Pack. Designed specifically to slide directly inside the main frame tubing of popular folding e-bikes (including Lectric XP, ENGWE EP-2 Pro, Samebike, Mate X, and CMACEWHEEL), the DCH series protects your power source from weather, debris, and theft while preserving a clean frame geometry.
Available in three standard casing dimensions (DCH-003, DCH-006, and DCH-009), this series covers 36V, 48V, and 52V nominal system voltages with energy capacities from 10Ah up to 17Ah. Each pack features a high-current Smart Battery Management System (BMS), a heavy-duty aluminum housing, an anti-theft key locking switch, and a fold-out handle for effortless battery removal.
⚠️ Dimensions & Voltage Compatibility Notice
IMPORTANT FITMENT GUIDANCE:
Measure Your Internal Tube: Measure your original battery casing length and cross-section before ordering:
DCH-006 Casing Size: ~430 mm × 103 mm × 43 mm
DCH-003 Casing Size: ~410 mm × 103 mm × 43 mm
DCH-009 Casing Size: ~420 mm × 115 mm × 58 mm (Wider high-capacity profile)
Voltage Matching: Match system voltage strictly with your controller rating (36V, 48V, or 52V).
Motor Output Rating: Rated for continuous motor current from 350W up to 1000W setups.
🚀 Key High-Performance Features
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Hidden In-Frame Protection: Keeps the battery fully enclosed inside the bike frame to protect cells from rain, impacts, mud, and external damage.
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Integrated Anti-Theft Lock & Switch: Key-operated locking mechanism secures the battery inside the frame while acting as the main circuit power switch.
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Multi-Voltage System Support: Available in 36V, 48V, and 52V versions to replace stock factory packs or upgrade system power output.
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Internal Smart BMS Security: Guards internal cell blocks against short circuits, overcharging, over-discharging, and over-current events.
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Retractable Fold-Out Handle: Integrated pull-handle allows quick removal for off-bike charging at home or at your desk.
📊 Technical Specifications Matrix
| Specification Parameter | SUTENAI DCH-Series Battery Specifications |
| Brand Name | SUTENAI |
| Casing Model Models | DCH-003 | DCH-006 | DCH-009 (In-Frame Folding) |
| Cell Type & Chemistry | Grade-A 18650 Cylindrical / Lithium-Ion (Li-Ion) |
| Nominal Voltage Options | 36V | 48V | 52V DC |
| Nominal Capacity Options |
36V: 10Ah, 12Ah, 15Ah 48V: 10.4Ah, 12.8Ah, 15Ah, 17Ah 52V: 12.5Ah, 15Ah, 17Ah |
| Compatible Motor Power | 350W, 500W, 750W, 1000W Motors |
| Casing Dimensions |
DCH-003: 410 × 103 × 43 mm DCH-006: 430 × 103 × 43 mm |
| Safety Circuitry | Integrated Smart Battery Management System (BMS) |
| Enclosure Material | Heavy-Duty Aluminum Alloy Protection Shell |
📋 Ideal Applications
The SUTENAI DCH Internal Battery Series is designed for folding micro-mobility platforms:
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Folding Electric Commuter Bikes (Lectric XP 2.0/3.0, ENGWE EP-2 Pro, Samebike LO26)
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High-Power Folding Fat-Tire Bikes (Mate X, CMACEWHEEL, Lankeleisi)
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36V, 48V, and 52V OEM Replacement and Custom In-Frame Builds
📦 Package Contents
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1 x SUTENAI DCH Lithium-Ion Internal Frame Battery Pack (Selected Model/Voltage/Capacity)
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2 x Frame Key Locks
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1 x Discharge Plug Cable Connector
Upgrade or replace your folding e-bike's internal battery today. Check your frame measurements, select your model and voltage options, click Add to Cart, and order now!


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ALEAIVY foldable electric bicycle battery parameter table
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Nominal Voltage:
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36V/48V(Optional voltage)
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Nominal Capacity:
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10.4Ah 12.8Ah 14Ah 14Ah (Customized capacity)
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BMS:
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20A-30A (350W to 1000W motor use)
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BMS Function:
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Over-Current, Over-Discharge, Over-Charge,
Short-Circuit Protection, Balance act.
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Size:
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It is up to your battery needs
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Discharge Cut-Off Voltage:
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upon request(Please consult customer service)
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Charge Voltage:
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upon request(Please consult customer service)
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Cycle Life:
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80% capacity after 800 cycles
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Battery Type:
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LI(NiCoMn)O 2 18650
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Batteries:
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Brand 18650 cells
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Warranty:
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12 months
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Weight:
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as required
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Charging Working Temperature:
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0~45°C
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Discharge Working Temperature:
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-20~60°C
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Storage Temperature:
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-10~40°C
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Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.