RIDGID 18V to Bosch 12V Battery Adapter

Use your RIDGID 18V batteries on Bosch 12V cordless tools, without buying into a second battery platform. Constructed from durable molded ABS with pure copper contacts, for a secure fit and dependable current transfer. A practical way to extend the value of the RIDGID 18V batteries you already have.

Specifications

• SKU PTA-RID18-BOSB12
• Fits this battery RIDGID 18V (Lithium-Ion) from Home Depot
• Battery voltage 18V
• Runs these tools Bosch 12V (Lithium-Ion)
• Tool voltage 12V
• Housing ABS (Injected)
• Terminals Copper
• Current rating 40A continuous (80A peak at 18VDC for up to 2 seconds)432 Watt continuous at 10.8V nominal
• Internal wiring 5 mm²
• Weight 124 g (4.4 oz / 0.27 lb)
• Colour Grey, Orange
• Operating humidity 5–95% RH
• Operating temperature -10 °C to 50 °C (14 °F to 122 °F)
• USB port No
• What's in the box Battery Adapter
• Warranty 12 months after the date of delivery
• Revision Revision 01 (released on August 21, 2026)

Why choose this adapter

• Injection-moulded ABS, not 3D printed — no layer lines to split under load.
• Solid copper terminals, so less of the current is lost as heat.
• 5 mm² internal wiring, rated for 40A continuous with 80A peak at 18VDC for up to 2 seconds, so a high-draw tool is not held back by the adapter.
• Made for the RIDGID 18V batteries sold at Home Depot, so the fit is the one you already own.
• Covered by a 12-month warranty from the day it arrives.

RIDGID 18V and Bosch 12V compatibility

It works in one direction only: RIDGID batteries powering Bosch tools. For the opposite pairing, see adapters that run on Bosch 12V batteries.

Compatibility can vary with the exact battery and tool model. Before ordering, confirm that your battery belongs to the RIDGID 18V platform and that your tool takes Bosch 12V batteries.

Important charging and safety information

This adapter is for powering cordless tools and nothing else. It cannot charge RIDGID or Bosch batteries and must never be connected to a charger of any kind. Always take the battery out of the adapter before charging, and charge it on the original charger made for your RIDGID 18V battery.

Before you buy