M18 18V 3Ah 5S2P Lithium-Ion Battery Replacement for Milwaukee
Summary of M18 18V 3Ah Milwaukee Battery Replacement
The M18 18V 3Ah 5S2P Lithium-Ion Battery Replacement is designed for users who demand maximum energy density, compact size, and high power output for sustained heavy-duty tool operation. With advanced cell matching, active balancing, and a full protection suite, it delivers superior safety, longer lifespan, and full compatibility with Milwaukee M18 tools—even in harsh or low-temperature environments.
Milwaukee Battery M18 18V 3.0Ah Parameters
Model: CPPT1830
Battery Type: Lithium-ion Batteries
Nominal Capacity: 3000mAh
Nominal Voltage: 12V (11.1V)
Energy: 54Wh
Charge Cut-off Voltage: 21V
Discharge Cut-off Voltage: 14V
Standard Charge Current: 0.2C (600mA)
Max Charge Current: 1C (3000mA)
Standard Discharge Current: 0.2C (600mA)
Max Continuous Discharge Current: 8C (24A)
Max Peak Discharge Current: 16C (48A)
Cycle Life: More Than 500 Times
Dimensions: 75 × 78 × 118 mm
Weight: 665g
Charge Temperature Range: 0°C to 45°C
Discharge Temperature Range: -20°C to 65°C
Storage Temperature Range:
- -20℃~25℃: More than 12 months
- -20℃~45℃: Less than 3 months
- -20℃~60 ℃: Less than 1 month
Compatible Models: For Milwaukee M-18 48-11-1850, 48-11-1865, 48-11-1862, 48-11-1852, 48-11-1850R, 48-11-1840, 48-11-1828, 48-11-1820, 48-11-1815.
Key Features – M18 Milwaukee Battery 3Ah
⚡ High Energy Density & Lightweight Design
This 3Ah 5S2P pack delivers exceptional energy density, providing more runtime without added bulk. Its compact body and reduced weight improve tool handling, making it ideal for extended work sessions or overhead tasks.
🔧 Built for High Current & Heavy-Duty Applications
Engineered for power tools requiring continuous high load, this battery supports:
High torque output
High RPM operation
Stable performance during prolonged high-current discharge
Perfect for demanding construction, carpentry, and automotive tasks.
🧩 High Cell Consistency for Enhanced Safety & Extended Lifespan
Each cell is carefully matched for internal resistance, capacity, and voltage to ensure optimal uniformity. This delivers greater usable capacity, lower heat buildup, a longer service life, and more stable performance during high-demand loads.
🛡️ Full Protection BMS + Active Balancing
Equipped with a smart protection board featuring:
Overcharge protection
Over-discharge protection
Overcurrent protection
Short-circuit protection
Overtemperature protection
Active cell balancing to prevent cell drift
This ensures a safer pack and significantly extends cycle life.
🔄 Wide Compatibility with Milwaukee M18 Tools
Fully compatible with the Milwaukee M18 18V platform, fitting seamlessly into drills, impact wrenches, angle grinders, saws, and more. No firmware issues, no error codes—just plug in and work.
🌡️ Wide Operating Temperature & Cold-Resistant Performance
Optimized for harsh environments, this battery maintains strong performance across broad temperature ranges—even in cold climates where other packs lose efficiency.
❄️ Lightweight but Powerful — Ideal for Professionals
Whether you’re a contractor, mechanic, or DIY user, this battery offers:
High power-to-weight ratio
Reliable output in tough conditions
Longer tool uptime with less fatigue
❓ FAQ – Frequently Asked Questions
Q1: What is the Milwaukee M18 high output 3.0 Ah battery?
A: The Milwaukee M18 High Output 3.0Ah battery is an enhanced lithium-ion pack engineered to deliver increased power, cooler operation, and longer sustained performance than standard M18 batteries. It’s built for high-demand tools, offering superior output and greater efficiency under heavy workloads.
Q2: What’s the lifespan of a Milwaukee 18V battery?
A: Milwaukee 18V battery typically lasts 3–5 years or 500–1,000 charge cycles, depending on usage and care. Heavy-duty use, high temperatures, and improper storage can shorten its overall lifespan.
Q3: Is it bad to leave a M18 battery on the charger?
Q5: How to check m18 battery health?
A: You can check an M18 battery’s health by pressing the built-in fuel gauge button—if the LEDs show uneven or rapidly dropping bars, the pack may be weakening. You can also test it by observing runtime under normal use; noticeably shorter runtime or tools struggling under load indicates declining battery health.
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