Bosch Dual 18V and 12V Battery Charger - Dual-Bay GAX1218V-30
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Amazon.com: X-Adapter 1x Adapter for Ryobi 18v Tools Works On Bosch 18v Blue Professional Batteries (Not 18v PBA All Battery)- Adapter Only, Black (BS-RY18) : Tools & Home Improvement
GXS12V-01N12 | 12V Max Lithium-Ion Battery and Charger Starter Kit | Bosch Power Tools