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4S 40A 16V 18650 Li-ion BMS PCM
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The 4S 40A Li-ion Battery Charger PCB with Balance is the perfect solution for fast and efficient charging. Crafted with a durable build, this PCB is ideal for DIY projects, catering to DIY enthusiasts' needs.
Suitable for 14.8V to 16.8V lithium batteries, it covers a wide voltage range, making it versatile for various applications. The smart balancing feature ensures that each cell is charged evenly, promoting optimal battery health. Its user-friendly design makes it easy to use, suitable for both beginners and experienced users.
Compatible with 18650, 26650, and polymer lithium batteries, it offers versatility for different projects.
This 4S 40A Li-ion Battery Charger PCB guarantees quality and durability. Whether you're working on an RC project, a smartwatch, or any other DIY endeavor, this charger is a reliable choice. Get yours today for a fast and reliable charging experience.
| Charging Current | 40A |
| Voltage Compatibility | 14.8V to 16.8V |
| Compatibility | 18650, 26650, Polymer Lithium Batteries |
| Charging Voltage | 16.8V - 18.1V |
| Continuous Discharge Current | 40A (Reduce in poor cooling conditions) |
| Continuous Charge Current | 20A |
| Overcharged Protection Voltage | 4.2V - 4.3V |
| Balanced Starting Voltage | 4.17V - 4.23V |
| Equilibrium Current | 95mA - 105mA |
| Overcharge Recovery Voltage | 4.1V - 4.2V |
| Over-discharge Protection Voltage | 2.4V - 2.6V |
| Over-discharge Recovery Voltage | 2.9V - 3.3V |
| Conduction Internal Resistance | 2.5m? - 3.5m? |
| Overcurrent Protection Current | 70A - 90A |
| Overcurrent Delay Time | 100ms - 200ms |
| Continuous Operating Current | 40A |
| Continuous Output Power | 672W |
| Ambient Temperature | -40°C - 85°C |
A BMS (Battery Management System) is crucial for 18650 lithium-ion batteries, preventing overcharging, over-discharging, and ensuring cell balance. It also offers overcurrent protection, preventing fires and excessive charging or draining. Use a BMS for safe and efficient 18650 battery operation.
Using a BMS (Battery Management System) is recommended for safe charging, preventing overcharging. Charging without a BMS is possible with a balance connector and charger, but careful monitoring is crucial to avoid overcharging and exceeding cell voltage limits. Note: Charging without a BMS carries risks and requires caution.
The charging current is 40A, providing a fast and efficient charging experience for your lithium batteries.
Yes, it is compatible with 18650, 26650, and polymer lithium batteries, offering versatility for various DIY projects.
Yes, it has overcharged protection with a voltage range of 4.2V - 4.3V to ensure the safety of your batteries.