5Ah 6.0Ah Batteries Replacement for Milwau Tools 18v Kees Tool Battery M-18 for Drill High Cordless Output Battery M-18 Battery

18V 20V OEM 2Ah 4Ah 6Ah 9Ah Capacity Li-ion Battery Pack Power Tools Battery for MILWAUKEE Rechargeable Battery Pack Replacement

Wholesale Price High Quality Rechargeable Customized 18V 21 v Lithium Battery for Power Tools

For Milwauk 18V 6000mAh Replacement RED Lithium-Ion Battery M18B5 for Vacuum Cleaner

Customized High Power 12AH Long Cycle Battery 18 V M18 Cordless Power Tool for EU/US M18 Tools

Name: High Power 12ah Cordless Power Tool - Long Sing Energy
Availability: InStock

$0.00

The Customized High Power 12Ah Long Cycle 18V Battery is designed for M18 cordless power tools used in both EU and US markets. It delivers high discharge performance for demanding applications, ensuring stable power output and extended runtime. With a long cycle life and robust protection design, this battery supports reliable operation for professional-grade power tools in construction, maintenance, and industrial use.

Categories: Power Tools Battery Packs, 18650 battery, 21700 battery, All Products, Cylindrical Lithium Batteries Tag: power tools

Description

Description

No.	Product Description	Parameter 1	Parameter 2	Parameter 3	Parameter 4
1	Electrochemical System	NCA	NCA	LFP	LFP
2	Cell Model	18650	21700	26700	32700
3	Cell Capacity	2.6Ah	5Ah	5Ah	6Ah
4	Configuration	4S4P	4S2P	5S2P	5S2P
5	Nominal Capacity	10.4Ah	10Ah	10Ah	12Ah
6	Rated Power	≈153Wh	≈148Wh	≈160Wh	≈192Wh
7	Dimensions	L85×W80×H70 mm	L90×W72×H45 mm	L135×W72×H55 mm	L165×W71×H65 mm
8	Nominal Voltage	14.8V	14.8V	16V	16V
9	Standard Charge Current	5A	5A	5A	5A
10	Standard Discharge Current	5A	5A	5A	5A
11	Battery Cell Charging Cut-off Voltage	16.8V	16.8V	18.25V	18.2V

In the realm of high-performance industrial equipment, 18V 12Ah cordless power tools represent the pinnacle of portable energy and endurance. These high-capacity battery packs are engineered to provide the “corded-like” performance required for heavy-duty applications such as rotary hammers, large angle grinders, and professional-grade circular saws. Achieving a 12Ah (12,000mAh) capacity at an 18V nominal voltage requires sophisticated cell management and a deep understanding of lithium-ion cylindrical cell characteristics.

The Engineering Behind 12Ah Power Packs

To reach a 12Ah capacity, manufacturers must utilize a Parallel-Series (P-S) configuration. Since a standard 18V system typically utilizes 5 cells in series (5S), a 12Ah pack usually requires a 5S3P or 5S4P configuration, depending on the energy density of the specific cells used.

The choice of cell size—18650, 21700, 26700, or 32700—drastically affects the tool’s weight, ergonomics, and heat dissipation capabilities.

Key Applications & Use Cases

The 18V 12Ah battery is not intended for light drilling; it is a workhorse designed for:

Demolition & Construction: Powering SDS-Max rotary hammers that need to sustain high impact energy over long periods.
Metal Fabrication: Providing the consistent high current required for 9-inch angle grinders to prevent “stalling” under load.
Outdoor Power Equipment: Driving cordless lawnmowers and chainsaws where runtime is the primary constraint.
Jobsite Lighting: Acting as a long-lasting power station for high-lumen LED floodlights during night shifts.

Why Cell Selection Matters

For a manufacturer like Long Sing, the transition from 18650 to 21700 cells has been the most significant shift. The 21700 cell allows for larger electrodes and improved chemical surface area, which reduces heat buildup during the rapid discharge cycles common in heavy drilling. This thermal efficiency is what prevents the tool’s BMS (Battery Management System) from triggering a safety shutdown, ensuring the 12Ah of energy is fully utilized without damaging the cells.