Blog | Published by Alex on August 5, 2025
| Parameters | SPECS |
|---|---|
| 18650 Battery Cell | Joinsun 18650-26D NCM Lithium-ion cells |
| Nominal Voltage | 11.1V (3S) |
| Fully Charged Voltage | 12.6V (4.2V × 3 18650 battery cells in series) |
| Nominal Capacity | 8Ah (8000mAh) |
| Single 18650 Battery Cell Capacity | Approximately 2600mAh – 3000mAh |
| Series Count | 3 cells in series (3S) |
| Parallel Count | 3 cells in parallel (3P) |
| Total Cell Count | 9 cells (3S × 3P) |
| Charging Current | Recommended 0.5C (~4A) |
| Continuous Discharge Current | Recommended ≤ 1C (8A) |
| Protection Circuit (BMS) | 3S NCM lithium BMS with overcharge, over-discharge, overcurrent, and short-circuit protection |
| Casing Material | Hard plastic or metal case |
| Cycle Life | 1000 cycles (80% DoD) |
| Typical Applications | Toy cars, Kid cars, Outdoor Emergency Power Supply Box |
