Custom 25.6V 4.5Ah battery for cleaning robot
The main technical indicators
Nominal voltage: 25.6V
Nominal capacity: 4.5AH (4500mah)
Battery size: 50.5*76.1*105.5mm
Battery internal resistance: ≤150mΩ
Battery weight: 1.2Kg
Charging current: less than or equal to 2.25A
Continuous discharge current: less than or equal to 9A
Protection current: 20A standard
Charging voltage: 29.2V
Discharge cut-off voltage: 20V
Service life: ≥2000 times
Charging temperature: -20 ~ 45 °C (low temperature start heating device)
Discharge temperature: -20 ~ 60 °C
Storage temperature: -20 ~ 35 °C
Battery temperature protection: 70°C±5°C
1. The battery pack is safe, resistant to high temperatures and has a long cycle life.
2. The cycle life of the battery pack is high, in line with the concept of low carbon, energy saving and environmental protection.
3. The battery has a built-in BMS system with multiple protection functions. The protection system (PCM/BMS) adopts the most advanced chips and MOS from Japan and the United States.
4. The core materials include LiMn2O4 (lithium manganese oxide), Li-Ni-Co-Mn-O (ternary material), and LiFePO4 (iron-lithium).
5. can use imported Sanyo, Sony, Panasonic, Samsung, LG original batteries and domestic brand-name batteries as a combination unit, to ensure the consistency of the battery, stability, safety.
6. can be more and more string combinations and battery modular design.
7. The battery has built-in heating device. Under the condition of extreme low temperature, the host provides voltage to heat the battery. Allow the battery to operate within the proper temperature range.
8. Waterproof IP65 is suitable for outdoor photovoltaic power station.
3. Product performance
3.1 The battery pack has good low temperature performance, product safety and reliability, and good stability;
3.2 The battery pack has waterproof, dustproof, anti-drop, anti-corrosion, radiation protection, anti-electromagnetic interference;
3.3 The battery pack has multiple protection functions such as over-charge protection, over-discharge protection, over-temperature protection, over-current protection, and short-circuit protection. The BMS system can be built-in according to the needs of customers.
3.4 The battery pack has a small size, light weight, small self-discharge, long cycle life, high conversion efficiency, deep charge and discharge, long-term use and easy to carry.
——————— Service by us ————————
1. Give you the specific battery pack within 24hours according to your requirements.
2. Professional: Professional technicians offer overall systematic service.
3. One-stop battery solution with battery cells, BMS, case and matching charger.
4. Beyond customer demand: To think more for customer, do better for customer and make customer more satisfied.
5. MOQ: 1 unit is ok for your first battery pack to be tested.
6. Warranty: 2years
7. Our solutions:
——————— After-Sales Service ————————
1 year warranty
2. We will replace the broken parts with new parts in the next in the next order
3. Choose the cheapest and safest shipping company
4. Track the order until you get the goods
5. Welcome any feedback and advice for our products.
Cycle life at 100% depth of Discharge
Figure 2. Full battery ZCV curve and total impedance during discharge - residual charge curve:
a. 0.2C ZCV curves for L1 system and L2 system at 25 ̊C;
b. 0.2C ZCV curve of L1 system and L2 system at -40 ̊C;
c. The impedance of 0.2% discharge of L1 system and L2 system at 25 ̊C changes with the residual charge state;
d. The impedance of 0.2% discharge of L1 system and L2 system at -40 ̊C with the curve of residual charge state;