-
BMS 4S 40A Li-ion Lithium Battery Charger Protection Board 18650 BMS 14.8V 16.8V
- Product Name: 4 string 14.8V 16.8V 40A lithium battery protection board
- Charging voltage: DC 16.8V~17V
- Continuous discharge current: 40A maximum (if the heat dissipation environment is not good, please reduce the load current)
- Continuous charging current: up to 20A
- Balance VersionProduct size: 45*60*4mm
- Enhance VersionProduct size: 44*55*4mm
- Applicable choice: applicable to the nominal voltage of 3.7V, fully charged 4.2V lithium battery
- (including 18650, 26650, polymer lithium battery), can be drilled below 170W
₨ 350 -
BMS 3S 40A 12.6V Li-ion Lithium Battery Protection & Charging Board – For 18650/26650/Polymer Batteries
- ⚡ High Discharge Capability: Supports up to 40A continuous discharge
- 🔋 Safe Charging: Supports up to 20A continuous charging
- ✅ Battery Protection: Prevents overcharge, over-discharge, and short circuits
- ⚖️ Balance Version: Maintains each cell at proper voltage
- 🔥 Thermal Protection: Automatically discharges if single cell exceeds 4.2V
- 🛠️ Wide Compatibility: Works with 18650, 26650, and polymer lithium batteries
- 🏋️ High-Power Drill Support: Can handle ≤ 170W drills with proper batteries
- 🧰 Enhanced Version: Compact size for tight installations
- ⚠️ Strict Wiring Protocol: Connect 0V, 4.2V, 8.4V, 12.6V exactly as diagrammed
- 💡 LED/Resistor Monitoring: 430 resistor heats to discharge overvoltage safely
- 🌍 DIY & Industrial Use: Ideal for custom battery packs, e-bikes, tools, and robotics
- 🛡️ Durable Design: High-quality PCB ensures long life under high current conditions
₨ 350 -
High‑Power 3S 60A 12V Lithium Battery Protection Board | Smart BMS with Balancing | Shehzad Electronics
- 🔋 High Current 60A – Supports powerful motors and devices.
- ⚡ Smart Overcharge Protection – Keeps cells safe at 4.2V max.
- 🛡️ Over‑Discharge Guard – Prevents deep drain damage.
- 🔄 Auto Cell Balancing – Equalizes voltage across all cells.
- 🌡️ Temperature Safety – Protects against overheating.
- 🚀 Compact Design – Fits easily into battery packs.
- 🔧 Easy Wiring – Clearly labeled terminals for quick setup.
- 🟢 Energy Efficiency – Reduces power loss during operation.
- 🏆 Durable Build – Long lifespan with quality components.
- 🌍 Eco‑Friendly Solution – Extends battery life, reducing waste.
₨ 360 -
BMS 5S 15A Lithium Battery 18650 Charger 18.5V
- Continuous discharg current: 15A(max)
- Instantaneous discharg current: 25A
- Charge:
- Charge voltage: 21V
- Charging current: 15A(max)
- Overcharge Protect:
- Over-charge detect: 4.28±0.05V
- Over-charge release: 4.28±0.05V
- Over-discharge Protect:
- Over-discharge detect: 2.55±0.08V
- Release voltage: 2.9±0.1V
- Short-circuit Protect:
- Protect condition: Cut load
- Release condition: Cut load
- Over-current Protect:
- Detect voltage: 150mV
- Current detect: 30±3A
- Release condition: Cut load
- Inner Resistance: ≤20mΩ
- Self-consumption:
- Working current: ≤30uA
- Working Temperature Range: -30-+80℃
₨ 370 -
3S 12V 100A BMS Li-ion Lithium Battery Protection Circuit Board Li-polymer Balance Charging Module
-
🔴 Massive 100A Capacity: Handles extreme over-discharge and over-charge currents.
-
🟠 Precision Balancing: Integrated 60mA balance current keeps all cells synchronized.
-
🟡 Triple-Mode Flexibility: Designed for 3S but easily adaptable for 4S and 5S setups.
-
🟢 Smart Thermal Port: Includes a dedicated temperature control interface for heat safety.
-
🔵 Instant Shortage Protect: Shuts down faults in a staggering 100-600 microseconds.
-
🟣 High-Current Stability: Supports a steady 80A contact discharge for heavy loads.
-
⚪ Intelligent Recovery: Features “Off-load release” mode to safely restore power after a trip.
-
🟤 Disconnect Protection: Built-in safeguards against accidental wire disconnection.
- e.
₨ 595 -