XTOOL D8 OBD2 Scanner Compatible Battery 3.8V 10000mAh
This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.
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XTOOL D8 OBD2 Scanner Compatible Battery 3.8V 10000mAh - is backordered and will ship as soon as it is back in stock.
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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.
XTOOL D8 OBD2 Scanner Compatible Battery 3.8V 10000mAh - is backordered and will ship as soon as it is back in stock.
Voltage
3.8V
Amp
10000mAh
XTOOL D8 OBD2 Diagnostic Tool Series — 3.8V Li-Polymer Replacement Battery (AHB1058100)
This 3.8V, 10000mAh Li-Polymer battery replaces the original AHB1058100 cell in the XTOOL D8 OBD2 Diagnostic Tool, H6 Elite, H6EB, H6, and compatible models. It restores full charge capacity to scanners that no longer hold a charge through a full diagnostic session. Dimensions are 105.60 x 58.00 x 10.00mm — verify against your existing cell before fitting.
- D8 and H6 series fit: These models share the same battery bay footprint, connector pinout, and BMS communication protocol — one cell covers the full range without modification.
- Bench tested on actual hardware: We cycled this cell through full charge and discharge on a D8 unit. The BMS accepted the handshake immediately, reported accurate state-of-charge to the scanner's status bar, and triggered the low-voltage cutoff at the correct threshold without false shutdowns.
- Pre-swap data export on the D8: The D8 stores saved vehicle profiles and diagnostic history in memory that draws from the main battery. Cut power before exporting and that data is gone. Go to Settings → Data Management → Export before disconnecting the old cell.
Why the D8 won't boot after a battery swap
A fresh Li-Polymer cell shipped in storage mode can sit below 3.2V — the D8's boot loader requires at least 3.5V to initialise. If the scanner shows nothing on screen after fitting the new battery, it hasn't failed. Connect the OEM charger and leave it for 20–30 minutes before attempting to power on. The BMS will wake the cell from low-voltage lockout and allow the scanner's firmware to load normally.
WiFi dropping mid-session with the replacement cell fitted
The D8's WiFi radio draws a short current spike when maintaining an active vehicle connection. If the replacement cell has an internal resistance higher than the original, voltage sags briefly under that load and the radio resets. This shows up as a mid-session disconnect even when the battery indicator reads 60% or above. Check that the connector is fully seated — a loose fit increases resistance at the contact point and makes sag worse.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: XTOOL
- Manufacturer: CS
- Series: Standard
- Color: Blue
- Product Type: Li-Polymer
- Battery Type: Li-Polymer
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The D8 powers on fine but the saved vehicle profiles are gone after I swapped the battery — where did they go?
On the D8, vehicle profiles and session history sit in memory that loses state the moment main battery power is cut. There is no coin-cell backup keeping that data alive during a swap. Once the old cell is disconnected, that data is unrecoverable. Before your next swap, go to Settings → Data Management → Export and save profiles to a USB drive or connected device first.
My D8 screen starts dimming well before the battery indicator hits the red zone — is the new cell faulty?
The D8's display driver is voltage-sensitive and begins throttling backlight current when the cell drops below roughly 3.6V, even if the charge gauge hasn't caught up yet. This is a firmware calibration lag, not a fault with the replacement cell. Run two full charge-discharge cycles so the BMS can recalibrate its state-of-charge curve. After that, the gauge reading and the backlight behaviour should align.
The D8 shows a charging icon but the battery percentage hasn't moved after an hour — is something wrong with the new cell?
A Li-Polymer cell that has been in deep storage mode charges very slowly through the first recovery stage — the BMS limits current to protect the cell until it climbs above 3.0V. This trickle phase can look like no progress on the screen for 30–45 minutes. Leave the scanner on charge undisturbed. Once the cell clears the recovery threshold, charge rate increases and the percentage will move. If the icon is still static after two hours, reseat the connector and confirm the charger output is 5V.
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