Berner BBP 18 Cordless Drill Replacement Battery 18V 6000mAh
Check that your old battery model number and device model to match our description. This makes sure they work together.
We ship your order same day if you buy it before 4 PM EST.
Berner BBP 18 Cordless Drill Replacement Battery 18V 6000mAh - is backordered and will ship as soon as it is back in stock.
Let customers speak for us
Send Your Battery Photo
Expert Technician Help
Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR BATTERY IMAGE
Product & Solutions Expert
✉ sales@batteryweb.com
Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Berner BBP 18 Cordless Drill Replacement Battery 18V 6000mAh - is backordered and will ship as soon as it is back in stock.
Voltage
18V
Amp
6000mAh
Berner BACAG Series — 18V Li-ion 6.0Ah Replacement Battery (BBP 18)
This is an 18V 6000mAh lithium-ion battery for Berner cordless power tools, identified by OEM part number BBP 18 (also 175187). It fits the BACAG, BACCG, BACDE, BACDWD BL, and related models in the same 18V platform. Voltage, connector, and BMS communication all match the original Berner 18V tool series.
- BACAG platform compatibility: The BACAG, BACCG, BACDE, and BACDWD BL share the same 18V rail, battery connector, and BMS handshake protocol. One battery pack covers all of them without any modification.
- Bench tested on actual hardware: We ran this pack through motor-start inrush cycles on a drill and circular saw. The BMS held the overcurrent threshold correctly on each trigger pull and did not trip under repeated high-draw starts.
- Break-in procedure for new pack: On first use, run the tool at half load for two cycles before applying full torque. This lets the BMS profile the motor's inrush current draw before it sets its final overcurrent protection thresholds — skipping this can cause false BMS trips on heavy cuts.
BMS cutoff on drill or saw motor-start inrush surge
When you pull the trigger hard on a drill or saw, the motor draws a sharp current spike before it reaches running speed. On a new or recently stored 18V pack, the BMS overcurrent threshold may not yet be calibrated to the specific motor's inrush signature. If the spike exceeds the default threshold, the BMS cuts the circuit immediately — the tool dies on the pull. Two half-load break-in cycles train the BMS to distinguish a normal start surge from a genuine fault, after which the threshold adjusts and the cutoff stops occurring.
Charger blinking red on a new 18V pack after storage
Berner 18V chargers check cell voltage before accepting a pack for charging. If the battery has been stored discharged, individual cells can drop below the charger's acceptance floor — typically around 2.5V per cell — and the charger refuses to begin the charge cycle, signalling a fault blink instead. The fix is a slow pre-charge: some Berner chargers have a recovery or conditioning mode; if yours does not, a compatible charger with a trickle/recovery function can bring cells back above 2.8V per cell. Once cells cross that threshold, the main charger accepts the pack and begins normal charging.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Berner
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My Berner drill cuts out the instant I pull the trigger hard — why does the battery die on startup?
This is a BMS overcurrent trip caused by the motor-start inrush spike. On a new or storage-recovered pack, the BMS default threshold is conservative and the sharp current surge on trigger pull can cross it before the motor reaches running speed. Run two half-load cycles first — light drilling, no full-torque pulls — so the BMS can profile the inrush signature and adjust its threshold. After that, full-trigger pulls on the BACAG platform should hold without cutoff.
The tool bogs down and loses power halfway through a long ripping cut with my circular saw — what's happening?
Sustained heavy load heats both the motor and the cells simultaneously. As cell temperature rises inside the enclosed 18V pack housing, internal resistance increases and the voltage rail sags under load — the saw loses torque and sounds laboured. The BMS may also reduce current delivery as a thermal protection measure before a full cutoff. Let the pack cool for ten minutes after a sustained cut, then check the rail contacts on the battery and tool for oxidation or debris that adds further resistance.
My Berner 18V pack charges fine in summer but the tool feels noticeably weaker on cold mornings — is the battery failing?
Lithium-ion internal resistance rises sharply below 5°C, which reduces the current the pack can deliver without voltage sag. The pack is not failing — the cells are behaving as expected in the cold. Bring the battery indoors to reach at least 15°C before use, or run a light-load cycle for the first minute to generate cell heat before applying full torque. Capacity and power delivery return to normal once the cells are above 10°C.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
