Stable 3.7V output, highly adaptable. Enables smooth operation of various devices like small fans, electric tools, camping lights and solar fans.
12Ah large capacity, offers great endurance and reduces charging frequency.
Long service life. High-quality cells and advanced BMS maintain good performance over multiple charge-discharge cycles, enhancing convenience and cost-effectiveness.
It has complete certifications to ensure the quality and safety of the product.
| Product Number | Wholesale 21700 3.7V 12Ah lithium-ion battery packs for small fans, humidifiers and electric tools |
| MAIN PARAMETER | |
| Nominal Capacity | 12Ah |
| Nominal volrage | 3.7V |
| Max Charge Voltage | 4.2V |
| Discharge cut-off voltage | 3V |
| Charging Current | 0.5C |
| Discharging Current | 1C |
| Cycle Life | Capacity ≥after 501th cycles （70% of the standard capacity at 25±2℃） |
| Dimensions (T*W*H) | 67*75(mm) |
| Weight | 210g |
| OTHERS | |
| Operating Temperature | Charging: 0~45℃/Discharging:-20 ~60℃ |
| Storage Temperature | -10 ~ 45℃ |
| Humidity | 8% to 90% relative humidity |
| Protection | Over-discharge protection,over-charge protection,over-current protection,short-circuit protection, etc. |
| Delivery period | 7-21 days, depending on stock and quantity. |
| Applications | |
| Camping lights, solar-powered fans, electric tools, toys, portable electronic products, communication electronic products. | |
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