Symbo Laserbot 650 Replacement Battery 14.8V 2600mAh
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.
Symbo Laserbot 650 Replacement Battery 14.8V 2600mAh - 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.
Symbo Laserbot 650 Replacement Battery 14.8V 2600mAh - is backordered and will ship as soon as it is back in stock.
Voltage
14.8V
Amp
2600mAh
Symbo Laserbot 650 / xBot 5 Series — 14.8V Li-ion Replacement Battery (BONA18650-MF1)
This is a 14.8V 2600mAh Li-ion replacement battery for the Symbo Laserbot 650, xBot 5, and xBot 5 Pro cordless stick vacuums. It replaces OEM part numbers BONA18650-MF1 and BONA18650-M26. Fit it when the original cell no longer holds enough charge to complete a cleaning session.
- Laserbot 650 and xBot 5 compatibility: These three models share the same 14.8V four-cell Li-ion pack format, connector pinout, and BMS communication protocol. The motor controller pulls voltage from the same rail across all variants, so one cell covers all three.
- Bench tested on actual hardware: We ran this pack under sustained suction load and monitored BMS response across multiple discharge cycles. Overcurrent protection triggered correctly at the expected threshold, and the cell recovered cleanly on reconnect without requiring a manual reset.
- Dock charging habit on the Laserbot 650: Do not leave this vacuum sitting on the charging dock between every use. The Laserbot 650 dock does not interrupt charge once the cell is full — continuous trickle current accelerates capacity fade faster than normal cycle wear. Charge to full, then remove it from the dock.
Suction dropping before the battery indicator reaches low
The Laserbot 650 motor draws significantly more current when the filter is partially blocked or the dustbin is full. Under that extra load, cell voltage sags below the motor controller's threshold earlier than a clean-filter run would. The vacuum reads this as low power and reduces motor speed — even though the battery indicator still shows charge remaining. Clean the filter and empty the bin before assuming the battery is the cause. A healthy cell under clean-filter conditions should hold above 13.5V at mid-discharge.
Motor cuts out mid-use then comes back after a few seconds
This is a BMS overcurrent trip, not a dead battery. It happens when the motor sustains a high-draw state — typically from a blocked airpath or a jammed brush roll — and the protection circuit cuts output to prevent cell damage. The BMS resets automatically once current drops, which is why suction returns after a short pause. Clear the blockage first. If the cutout repeats on an unobstructed run, check that the replacement cell's BMS trip threshold matches the motor's rated draw — verify the pack is seated fully and the connector pins are clean.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Symbo
- Manufacturer: CS
- Series: Standard
- Color: Blue
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The Laserbot 650 seems to lose suction halfway through a job but the battery light still shows green — is this the battery?
Not always. A partially clogged filter forces the motor to draw more current than rated, which causes voltage sag under load — the battery indicator stays green because total charge is still present, but the motor controller throttles back when voltage dips below its operating threshold. Empty the dustbin and wash or replace the filter first. If suction holds consistently after that, the battery is fine; if sag continues on a clean filter, check the cell voltage mid-run — it should stay above 13.5V.
My Symbo xBot 5 Pro ran noticeably shorter cycles after I left it on the dock for a few weeks — did I damage the battery?
Yes, continuous dock charging is the most common cause of premature capacity fade on these vacuums. The Laserbot 650 and xBot 5 series docks do not cut power once the cell is full, so the battery sits under trickle charge indefinitely, which degrades cell capacity faster than normal use cycles. Swap in the replacement pack and change your charging habit — charge to full, remove from dock, and only return it when the battery is depleted. That alone will significantly extend the new cell's usable life.
The replacement battery isn't charging — the dock light stays off or flashes an error — what's wrong?
The xBot 5 series charger performs a BMS handshake before it begins charging; if the pack voltage has dropped below roughly 10V from extended storage, the charger may refuse to initiate. Try connecting the battery to a compatible Li-ion charger set to a recovery or trickle mode to bring the cell voltage above 12V first, then return it to the dock. Also confirm the connector pins are fully seated and free of debris — a partial connection triggers the same error state. Once voltage is above 12V and the connector is clean, the dock should begin a normal charge cycle.
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.
