As an Amazon Associate I earn from qualifying purchases.Updated: March 26, 2026
The Battery Pack is the power source for your Bosch PSB 1800 LI tool. Over time, like all batteries, its capacity decreases, leading to reduced runtime and performance. Delaying replacement can result in insufficient power for tasks and potentially strain other components.
Function: Provides electrical power to operate the Bosch PSB 1800 LI
Signs it needs replacing: Noticeably shorter runtime, slower operation, or difficulty starting the tool.
OEM vs aftermarket: OEM (Original Equipment Manufacturer) parts guarantee compatibility but are typically more expensive. Aftermarket options can be more affordable but may vary in quality and performance.
Installation: Generally straightforward. Involves removing the old battery pack and securely inserting the new one.
Replacement schedule: every 24 months
Compatibility warning: always verify part number matches your exact model before ordering
Pros & Cons
Pros
✓ Restores device to original performance without buying a new unit
✓ Significantly cheaper than a full device replacement
✓ Multiple options available from OEM and aftermarket sellers
Cons
✗ OEM parts cost more than third-party alternatives
✗ Wrong part number will not fit — model verification is essential
Common Use Cases
Scheduled maintenance on the every 24 months replacement cycle
Performance restoration after noticing reduced output or efficiency
Preventive replacement before a worn part causes secondary damage
Who Should Buy This
This replacement Battery Pack is for the Bosch PSB 1800 LI owner whose device is no longer performing optimally due to a worn battery. It's a cost-effective solution to extend the life of your tool.
Not ideal for: If your Bosch PSB 1800 LI has sustained significant damage beyond the battery or if the repair costs are exceeding the value of the tool, it may be time to consider a full replacement.
Good to Know Before Buying
💡
Always confirm your exact model number (PSB 1800 LI) before ordering. Part numbers vary between model variants and production years. Check the label on your device or original documentation to be sure.
Frequently Asked Questions
What is the part number for the Bosch PSB 1800 LI Battery Pack?
The part number is AQT 37.005. Always verify this matches your exact model (PSB 1800 LI) before ordering, as similar models may use different parts.
How often should I replace the Battery Pack on my Bosch PSB 1800 LI?
every 24 months
Will aftermarket Battery Pack replacements work in my Bosch PSB 1800 LI?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model PSB 1800 LI and check buyer reviews for fit confirmation before purchasing.
Prices change frequently. See the latest deal on Amazon.