Replacement Battery Casing/kit 18V 5Ah for Milwaukee M18 Power Tools

Give your damaged M18-style battery pack a new life with this M18 5.0Ah replacement casing and battery rebuild kit.

Designed for technicians, battery rebuilders and experienced DIY users, kit provides major housing and internal components required for rebuilding a compatible 18V M18-style lithium-ion battery pack.

Kit is based on a battery configuration specified for 5000mAh typical capacity using 18650 2500mAh cells in a 5S2P arrangement.

Designed for M18 Battery Rebuilding

Replacement components can be used when repairing or rebuilding compatible M18-style battery packs. Housing provides space for the appropriate cell arrangement, while included internal components support proper battery-pack assembly.

The supplied specification identifies RHY0095BL as the protection PCB and specifies an 18V nominal battery system with a 21V charging voltage.

Technical Specifications

*Specifications marked with an asterisk refer to the complete battery pack configuration in supplied manufacturer datasheet, not necessarily to an empty casing/rebuild kit.

Safety Warning

Lithium-ion battery assembly should only be performed by a qualified or experienced technician.

• Do not short-circuit battery terminals.
• Do not reverse positive and negative connections.
• Do not expose battery components to water or seawater.
• Keep away from fire and excessive heat.
• Do not puncture, crush, strike or throw battery cells.
• Use a suitable lithium-ion battery charger.
• Do not directly solder battery cells unless using an appropriate professional battery assembly method.
• Inspect components for damage before assembly.
• Follow correct cell orientation and protection-board connections.

Manufacturer documentation specifically warns that short circuits can generate very high current, causing heating, leakage, gas generation or potentially explosion.
Package Includes:

• M18-style replacement battery housing/casing
• Internal cell holders
• Nickel/metal connection strips
• Protection PCB / circuit board
• Internal support components
• Battery terminal/connector components
• Other components shown in product images

Cells are NOT included unless specifically stated in your variant.