800 Cycles THLB EBike Battery 21Ah 36v Lithium Battery
High-performance 36V 21Ah lithium battery designed for electric bicycles with 800+ charge cycles and comprehensive safety features.
Key Advantages
- No memory effect - charging interruptions do not harm the battery
- Short circuit protection
- Over charge/over discharge protection
- Low temperature resistance
- Overvoltage protection
- Overcurrent protection
- Long service life
- Easy to install
Product Images
Technical Specifications
| Chemistry |
LiNiCoMnO2 |
| Nominal Voltage |
36V |
| Nominal Capacity |
21Ah |
| Weight |
Approx 5Kg |
| Outer Case |
Silver fish case |
| Dimensions |
390mm × 76mm × 110mm |
| Standard Charge |
Constant Current 0.2C, Constant Voltage 42V 100mA Cut-off |
| Fast Charge |
Constant Current 0.5CA, Constant Voltage 42V 100mA Cut-off |
| Standard Discharge |
Constant Current 0.2C/End Voltage 30V |
| Cycle Life |
500 times with DOD80% |
| Continuous Discharge Current |
10A or customized |
| Peak Discharge Current |
30A or customized |
| BMS Functions |
Over-Current, Over-Discharge, Over-Charge, Short-Circuit Protection, Balance |
| Storage Temperature Range |
-10-40℃, Relative humidity: 45-75%, Pressure: 86-106KPa |
Packaging & Delivery
Manufacturer Profile
Professional manufacturer of rechargeable lithium-ion and LiFePO4 batteries located in Shandong, certified with ISO9001:2008 quality system.
Frequently Asked Questions
Are you a factory or a trading company?
We are a professional rechargeable lithium-ion battery and LiFePO4 battery manufacturer located in Shandong. We passed ISO9001:2008 quality system certification.
Can I have samples to test? And what is lead time for sample order?
Yes, we can supply samples. The lead time for samples is 7-10 days, and buyer pays for sample cost and shipping cost.
Do you provide after-sales service?
Yes, the warranty is 3 years. If any quality problems occur on our side during this period, we can send a new one as replacement.
What is your company's advantage?
We only supply high level quality lithium batteries and guarantee on-time shipment. We also provide excellent after-sales service.
Do you accept OEM/ODM?
Yes, it is available.
What information do you need to make a customized battery pack?
We need: 1. Size of the battery pack in mm; 2. Capacity of the Battery pack; 3. Voltage of the battery pack; 4. Max discharge current; 5. Cable and connector types; 6. Casing and Terminals if required; 7. Any protection circuits you may need.
Are your batteries real capacity?
All of our battery cells are Grade A, 100% new and real capacity.
What kind of certificates do you have?
We can provide CE, ROHS, FCC, IEC62133, MSDS, UN38.3.
What is your lead time for the mass production?
Generally, about 25-30 days depending on different items after getting down payment and confirmation about the samples.
