Long Lasting LiFePO4 36V 20Ah Electric Bike Battery

Item No.: TWE0250
Nominal Voltage: 38.4V
Nominal Capacity: 20Ah
Max Dimensions: 241*130*147mm
Warranty: 1 year
Certificate: CE, ROHS, UN38.3, IEC62133, etc.
Customized specifications!
Description Brand Introduction Review
Product Specifications
Item Specifications Remark
Model No. LF36V20AH Lithium Iron Phosphate Battery
Nominal Voltage 38.4V
Nominal Capacity 20Ah @0.2C standard charge&discharge
Dimensions 241*130*147mm Customized
Cycle Life ≥2000 times ≥80% of the initial capacity
Housing Material Epoxy board+PVC
Terminal Type Connector
Charge Cut-off Voltage 43.8V
Discharge Cut-off Voltage 30V
Standard Charge Current 10A
Max Charge Current 20A
Standard Discharge Current 10A
Max Continuous Discharge Current 20A
Max Peak Discharge Current 40A
Operation Temperature Charge: 0℃~45℃, Discharge: -20℃~60℃
Storage Temperature 0℃~25℃ 12 months
-5℃~35℃ 3 months
-20℃~45 ℃ 1 month
Internal Resistance ≤45mΩ
Weight Approx. 7.2kg
Protection Over charge, over discharge, over current, over voltage, short circuit, cell protection, temperature protection, etc.
Product Advantages
-High safety, no fire, no explosion
-With advanced smart BMS
-Green and Environmental
-High discharge rate&Low self-discharge rate
-Good performance in high temperature and low temperature
-Light weight&Small volume: 70% lighter than lead acid battery
-Long cycle life over 3000 times, 10 years service life
Solar energy storage system, solar street light, emergency lighting, billboard lighting, backup power, portable audio system, UPS, Telecommunication, electric sprayer, access control, security system, electric scooter, electric vehicle, golf cart, RV, AGV, forklift, fish finder, garden tool, home appliances, etc.
Home Energy Storage
Solar Street Light
Golf Cart
Portable Audio System
Safety certificate: CE,CB, IEC62133, UL, PSE
Environmental certificate: ROHS, REACH
Quality management certificate: ISO9001, ISO14001, BSCI
Shipping certificate: UN38.3, MSDS, Air/Sea Transport Identification&Classification Report
CE certificate
RoHS certificate
IEC62133 certificate
UN38.3 certificate
ISO9001 certificate
Production Process
01 Materials Mixing
Fully automatic feeding system,High precision, fully enclosed
02 Coating
High precision constant temperature coating machine
03 Electrode Piece Rolling
Precision automatic roller machine
04 Electrode Piece Slitting
Automatic battery electrode piece continuous slitting machine
08 Injection
Fully automatic bell type liquid injection machine
07 Tab Welding&Beading
Automatic welding machine
06 Into Shell
05 Winding
Automatic winding machine
09 Automatic Laser Welding
10 Formation&Capacity Sorting
Needle bed type charging cabinet
11 Cycle Test
All cells will be 100% tested for 3 cycles.
12 OQC Test
100% full test on appreance, voltage, capacity, resistance, size, etc
With 20 years experience in battery field, Topwell can ship the battery by Sea / Air / Express.
We can provide you with all DG certification which allows you to ship these batteries, such
as UN38.3 /MSDS /DG. We can ship from Shenzhen,Shanghai,HK...
Brand Introduction

Yichun Topwell Power Co., Ltd (Trademark:TWE) established in 2002, is a high-tech enterprise focusing on the R&D, production and sales of lithium polymer batteries, lithium ion batteries, lithium iron phosphate batteries, and lithium thionyl chloride batteries. Products are widely used in consumer electronics, Internet of Things, smart home, medical, vehicle, home and outdoor energy storage, and have obtained CE, RoHS, Reach, UN38.3, IEC62133, CB, UL, MSDS certifications, etc.


Topwell moves on by providing reliable, efficient and intelligent battery solutions to meet different energy needs. We have efficient engineering, production and quality management teams. From raw material procurement, to production, testing, sales and after-sales service, all steps have been controlled by a strict quality management system. Our factory has passed ISO9001, IS014001, BISI certification, SGS, Intertek audit. With the advantages in price, quality and service, we have established long-term and stable cooperative relationships with many well-known brands. Topwell always attached the great importance to the long term cooperation with customers. No matter the order is big or small, we do our best to support you the highest quality with favorable price. We believe that Topwell Power can be your best battery supplier!


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