High Capacity 21700 Lithium Power Packs (36V - 72V | Up to 60Ah)
High Capacity 21700 Lithium Power Packs (36V - 72V | Up to 60Ah)
SAIKEUNG Hailong & Polly DP7 Downtube E-Bike Battery Series – High Capacity 21700 Lithium Power Packs (36V - 72V | Up to 60Ah)
Take your electric bicycle or high-powered custom e-bike to absolute peak performance. The SAIKEUNG Downtube Hailong / Polly DP7 Lithium Battery Series is engineered for maximum range, sustained power delivery, and effortless integration. Built with premium, high-density 21700 lithium-ion cells, this heavy-duty battery line supports standard commuters up to massive 3000W high-torque setups.
Whether you need a lightweight 36V cruising pack, a standard 48V/52V daily driver, or a high-voltage 60V/72V speed monster, SAIKEUNG offers fully customizable architectures to match your vehicle's frame and controller requirements.
🚀 Key High-Performance Features
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Premium 21700 Cell Architecture: Utilizes next-generation 21700 cells featuring a significantly higher energy density, better thermal efficiency, and an extended cycle life compared to traditional standard cells.
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Massive Power & Customization Support: Built to handle immense continuous current draws—perfect for high-wattage e-bikes and bicicletas elétricas up to 3000W. Custom internal builds are available upon request!
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Ergonomic Downtube Cases (Hailong / Polly DP7): Encased in sleek, rugged, frame-mounted housings that lock securely in place to protect your battery from trail vibrations and debris. Features a built-in battery gauge and security key lock.
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Tax-Free DDP International Shipping: Rest easy knowing that import duties and local taxes are 100% pre-paid by us for over 30 countries across Europe, Asia, and Oceania.
🛡️ Certified Global Quality & Warranty Protection
Your property and your vehicle's safety are backed by strict international manufacturing certifications and a risk-free protection framework:
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Compliance Certifications: Fully CE, FCC, and RoHS certified. Contains no chemicals of high concern (
High-concerned chemical: None). -
1-Year Comprehensive Warranty: Includes an inclusive 1-year hardware warranty. Any verified internal quality issues qualify for 100% free repair or direct replacement.
| System Voltage | Supported Capacity Configurations | Best Application |
| 36V Systems | 16Ah / 23Ah / 30Ah | Standard Commuter & Folding E-Bikes |
| 48V Systems | 17.5Ah / 20Ah / 24Ah | Daily Mid-Drive & Hub Commuter Bikes |
| 52V Systems | 20Ah / 25Ah / 30Ah | High-Torque Performance E-Bikes |
| 60V Systems | 20Ah / 25Ah / 30Ah / 40Ah / 50Ah / 60Ah | High-Speed Scooters & Off-Road Builds |
| 72V Systems | 20Ah / 30Ah / 40Ah / 50Ah / 60Ah | Ultra-Performance / Up to 3000W Motors |
🌍 Global Shipping & Delivery Logistics (DDP Service)
Because lithium-ion batteries are classified as specialized, high-capacity products, they transit via specialized shipping channels to ensure safe transport.
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Duty-Paid (DDP) Included Countries: USA, Germany, France, Spain, Netherlands, Italy, Poland, Belgium, Denmark, Portugal, Sweden, Australia, South Korea, Thailand, Malaysia, Singapore, Russian Federation, and more. (Taxes and customs tariffs are entirely paid by us!)
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Estimated Delivery Timeframes:
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North American & European Destinations: ~30 Business Days
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Asian Destinations: ~20 Business Days
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📦 Package Includes:
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1 x SAIKEUNG Premium Lithium-Ion Battery Pack (Selected Voltage/Capacity Frame)
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1 x Heavy-Duty Downtube Mounting Base Plate with Integrated Discharge Ports
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2 x Anti-Theft Security Keys
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Note: High-quality matching chargers are securely packaged based on regional plug choices.
Dear Buyer: Welcome! Our products represent premium build standards and support deep structural customization. If you need a custom connector, wire leads, or sizing, reach out to our customer service line immediately.
Eliminate range anxiety and maximize your e-bike's power output. Select your exact voltage/capacity combination from the variants box below and click Add to Cart to buy your SAIKEUNG battery today!
Samsung 21700 lithium battery pack 36V Specifications:
Rated voltage: 36V
Rated capacity: 60Ah/50ah/40ah/35ah/30ah/25ah
Type composition: 10S7P
Battery: Built-in 21700 Samsung battery
Model: Electric scooter/electric bicycle/lithium-ion battery
Battery size: 367mm x 156mm x 95mm
Battery weight: about 7kg.
Charging method: CC / CV.
Standard charging current: 5A.
Maximum continuous charging current: <10A.
BMS: Maximum 100A,
Maximum peak current 100A
Charging voltage: 42V
Discharge cut-off voltage: 29.6V
Cycle life: 3000 times
Charging temperature: -15-65℃
Discharge temperature: -15-65℃
Protection function: overcharge, overdischarge, overcurrent, short circuit, balance
Applicable motor: 36 V 250W-3000W motor
(Note: the battery voltage must match the motor)
The packing list includes:
1 * 36V lithium-ion battery pack (with box)
1 * 30 cm cable assembly
1 * 42v charger
Samsung 21700 lithium battery pack 48V Specifications:
Rated voltage: 48V
Rated capacity: 60Ah/50ah/40ah/35ah/30ah/25ah
Type composition: 13S5P
Battery: Built-in 21700 Samsung battery
Model: Electric scooter/electric bicycle/lithium-ion battery
Battery size: 367mm x 156mm x 95mm
Battery weight: about 7kg.
Charging method: CC / CV.
Standard charging current: 5A.
Maximum continuous charging current: <10A.
BMS: Maximum 100A,
Maximum peak current 100A
Charging voltage: 54.6V
Discharge cut-off voltage: 39.2V
Cycle life: 1500 times
Charging temperature: -15-65℃
Discharge temperature: -15-65℃
Protection function: overcharge, overdischarge, overcurrent, short circuit, balance
Applicable motor: 48 V 250W-3000W motor
(Note: the battery voltage must match the motor)
The packing list includes:
1 * 48V lithium-ion battery pack (with box)
1 * 30 cm cable assembly
1 * 54.6v charger
Samsung 21700 lithium battery pack 52V Specifications:
Rated voltage: 52V
Rated capacity: 60Ah/50ah/40ah/35ah/30ah/25ah
Type composition: 14S5P
Battery: Built-in 21700 Samsung battery
Model: Electric scooter/electric bicycle/lithium-ion battery
Battery size: 367mm x 156mm x 95mm
Battery weight: about 7kg.
Charging method: CC / CV.
Standard charging current: 5A.
Maximum continuous charging current: <10A.
BMS: Maximum 100A,
Maximum peak current 100A
Charging voltage: 58.8V
Discharge cut-off voltage: 42V
Cycle life: 3000 times
Charging temperature: -15-65℃
Discharge temperature: -15-65℃
Protection function: overcharge, overdischarge, overcurrent, short circuit, balance
Applicable motor: 52 V 250W-3000W motor
(Note: the battery voltage must match the motor)
The packing list includes:
1 * 52V lithium ion battery pack (with box)
1 * 30 cm cable assembly
1 * 58.8v charger
21700 Samsung li-ion battery pack 60V Specification:
Battery Voltage: 60V
Rated capacity: 60Ah/50AH/45H/40AH/35AH/30AH/25AH/20AH
Category: Li-ion Battery
Battery core: built-in 21700 Samsung battery
Array mode: 16s4p
Battery size: 367*95*156mm (the measurement may have an error of 1-2mm)
Battery weight: about 7KG
Voltage : Peak - 67.2V, working - 60V
Maximum constant discharge current: 90A
Peak current: 100A
Charging voltage: 67.2V
Charging Current: <10 Amps
Discharge cut-off voltage: 51.2V
Power: 300W-3000W
Application: E-bike Battery, electric scooter, electric wheelchair
Charging method: CC/CV
Cycle life: 3000 times
Charging temperature: -15-65℃
Discharge temperature: -15-65℃
Protection function: overcharge, overdischarge, overcurrent, short circuit, balance
Applicable motor: 60 V 250W-3000W motor
(Note: the battery voltage must match the motor)
The packing list includes:
1 * 60V lithium-ion battery pack (with box)
1 * 30 cm cable assembly
1 * 67.2v charger
21700 Samsung Li-ion battery pack 72V Specification:
Battery Voltage: 72V
Rated capacity: 60Ah/50ah/40ah/35ah/30ah/25ah
Category: Li-ion Battery
Battery core: built-in 21700 Samsung battery
Array mode: 20s3p
Battery size: 367*95*156mm (the measurement may have an error of 1-2mm)
Battery weight: about 7KG
Voltage : Peak - 84V, working - 72V
Maximum constant discharge current: 90A
Peak current: 100A
Charging voltage: 84V
Charging Current: <10 Amps
Discharge cut-off voltage: 60V
Power: 300W-3000W
Application: E-bike Battery, electric scooter, electric wheelchair
Charging method: CC/CV
Cycle life: 3000 times
Charging temperature: -15-65℃
Discharge temperature: -15-65℃
Protection function: overcharge, overdischarge, overcurrent, short circuit, balance
Applicable motor: 72V 250W-3000W motor
(Note: the battery voltage must match the motor)
The packing list includes:
1 * 72V lithium-ion battery pack (with box)
1 * 30 cm cable assembly
1 * 84v charger
New 36v 48v 52v 60V 72v large capacity 21700 lithium-ion battery, suitable for high-power motor 250w 500w 750w 1000w 1500W 2000W 2250W 2500W 3000W, built-in Samsung battery, imported high-quality battery, large capacity, long use time, used to modify mountain bikes/electric bikes/robots, long cruising range, with charger (American plug/European plug is required, XT60/XT90 cable connector is required, please leave a message in the remarks column.)
Original 60V Battery 20AH 25AH 30AH 35AH 40AH
45AH 50AH 60AH ebike Battery Hailong DP7 100A BMS 350W 500W 750W 1000W 1500W 1700W 2250W 2500W 3000W 21700 Samsung Cell Battery Pack
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.
