UL2271 Certified 48V 21.2ah Electric Bike Lithium Ion Battery Samsung 21700 Battery Pack E-Bike Li Ion E Scooter Electric Wheelchair Rechargeable Power Battery

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UL2271 Certified 48V 21.2ah Electric Bike Lithium Ion Battery Samsung 21700 Battery Pack E-Bike Li Ion E Scooter Electric Wheelchair Rechargeable Power Battery

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Product Description

Technical Specifications

Model NO.

BBG-Polly DP-5 48212

Rated Capacity

21.2Ah

Standard Voltage

48V

Cell Brand

Samsung 21700-53G

Electrolyte

Li-ion

Dimension

368*95*125mm

Contin. Working Current

40A

Peak Current

120A

Discharge Connector

Anderson / XT90s etc.

Rechargeable

Yes

Usage

E-Bike, E-Scooter

Certification

UL2271, CE, RoHS, UN38.8

Product Overview

UL2271 certified Polly-2170-5 48V 21.2Ah Lithium battery pack for e-bike

⚡ Key Specifications:

Voltage: 48V Capacity: 20Ah/21.2Ah Configuration: 13S4P

BMS: 50A continuous / 150A Peak current
Max Charging: 5~6A
Cells: Samsung 21700-53G-5300mah

Optional Cells available from Samsung (22P, 26F, 29E, 33G), Panasonic (18650PF, 32BD, 18650B, GA), and LG (B4, C2, D1, E1, MG1, MJ1).

💎 Premium Features

✔3pin high current charging port (Max. 8A)

✔LED battery level indicator

✔Standard USB port output

✔Water-resistant & firm ABS plastic casing

✔Built-in advanced BMS protection

Product Gallery

Applications & Benefits

Applications

Widely applied in Electric Bicycle, Electric vehicle, Electric Tricycle, Electric scooter, Electric golf trolley, Electric car, Electric wheelchairs, and two wheel vehicles.

Core Advantages

Long life & large capacity
Excellent low-temperature performance
Strong over-discharge resistance
Maintenance-free usage
Highest safety: No explosion, no fire

Service & Terms

Warranty

2 Years (Quality issues only)

Lead Time

7-10 working days

Payment

30% T/T advance, 70% before shipping

Sample

Delivered in 3-5 working days

Frequently Asked Questions

What is the lifespan of this lithium battery?

The battery uses high-quality Samsung 21700 cells, typically offering 800-1000 charging cycles before a significant drop in capacity occurs.

Is this battery waterproof for outdoor use?

It features a water-resistant ABS plastic casing designed to protect against splashes and light rain, making it suitable for outdoor E-bike use.

Does the battery include a protection system?

Yes, it has a built-in 50A BMS (Battery Management System) that protects against overcharging, over-discharging, short circuits, and overheating.

How long does it take to fully charge?

With a standard 5A-6A charger, a full charge typically takes approximately 4-5 hours depending on the remaining capacity.

Can I use this battery for a 1000W motor?

Yes, with a 40A continuous discharge current and 48V voltage, this battery is well-suited for high-power motors up to 1500W-2000W.

What is covered under the 2-year warranty?

The warranty covers quality defects and manufacturing issues. It does not cover man-made damage, water ingress due to improper use, or short circuits caused by user error.

Product Detail

UL2271 Certified 48V 21.2ah Electric Bike Lithium Ion Battery Samsung 21700 Battery Pack E-Bike Li Ion E Scooter Electric Wheelchair Rechargeable Power Battery

Product Description

Technical Specifications