Loading Port:China main port
Payment Terms:TT OR LC
Min Order Qty:100 unit
Supply Capability:10000 unit/month
Product Feature
Adopt Samsung 22P Lithium-ion battery cell, with High rate, high capacity and durable performance, the cycles≥500 times
PACK process uses industry leading patented technologies, to ensure stability and security
Built-in BMS,with over-charge&discharge,equalization,over-current,short circuit and over-temperature protection, which can add Telecom function,too
The Application
Electric balancing car, electric swing Car , solar electric car, electric car for kids, electric scooter
Main Parameter
No. | Project | Unit | Characteristics Value | Remark | ||
3.1 Basic Characteristics | ||||||
01 | Cell Model | - | 18650-22P-2.2Ah/3.7V | SAMSUNG | ||
02 | Combination | - | 3P20S | |||
03 | Nominal Capacity | Ah | 6.6 | 0.2C | ||
04 | Mini Capacity | Ah | 6.27 | |||
05 | Initial Resistance | mΩ | <400< span=""> | AC 1KHz | ||
06 | Rated Voltage | V | 72 | |||
07 | Charge cut-off voltage | V | 84 | Max charge voltage≤85V | ||
08 | Discharge cut-off voltage | V | 50 | Unit over-discharge protection voltage 2.5V | ||
09 | Discharge cut-off voltage in low temperature | V | 50 | -20℃ | ||
10 | Norm charge current | A | 1.32 | 0.2C5A | ||
11 | Max charge current | A | 3.3 | 0.5C5A | ||
12 | Norm discharge current | A | 6.6 | 1.0C5A | ||
13 | Max discharge current | A | 19.8 | 3.0C5A | ||
14 | Enclosure Type | - | ABS | |||
15 | W.T. | kg | 3.5 | More or less | ||
16 | Working Temperature | ℃ | -0~+40℃ | charge | ||
-20~ +60℃ | discharge | |||||
17 | Voltage after delivery | V | 74.0~80.0 | |||
3.2 BMS Characteristics | ||||||
01 | Over-charge protection voltage | V | 4.275± 0.025 | Unit series protection | ||
02 | Over-charge protection delay time | S | 1.2± 0.24 | |||
03 | Over-charge protection release | - | discharge | |||
04 | Over-discharge protection voltage | V | 2.50± 0.05 | Unit series protection | ||
05 | Over-discharge protection delay time | mS | 144 ± 29 | |||
06 | Over-discharge protection release | - | charge | |||
07 | Over-current protection current when discharge | A | 120± 10 | |||
08 | Over-current protection delay time when discharge | mS | ≤100 | |||
09 | Over-current protection release when discharge | - | Disconnect the load | |||
10 | Short circuit protection condition | - | Battery packs external short circuit | |||
11 | Short circuit protection delay time | uS | 100-500 | |||
12 | Short circuit protection release | - | Disconnect the load | |||
13 | Balanced turn-on voltage | V | 4.20±0.04 | - | ||
14 | Equalizing current | mA | 60±5 | |||
FAQ:
1. Are you manufactory of the products above？
---Yes，we are expert in PV solar power system、Telecom power system and lithium-ion Batteries, our products are popular through around 80 countries.
2. Do you have any certifications?
---Yes, we have CE、UL、PSE，FCC，SAA，CB certifications, if customers need specific certifications, we will do our best to support.
3. What about your warranty?
--- One Year warranty guaranteed, and detailed terms for further conversation.
4. Can I know more about your products?
---Please contact us for more details you interested.
