HP Elite X360 830 G11 11.55V Replacement Battery 996QA249H
Available by SPECIAL ORDER. Delivery for this product typically takes 2 weeks.
EXTRAOFF
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.
HP Elite X360 830 G11 11.55V Replacement Battery 996QA249H - 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.
HP Elite X360 830 G11 11.55V Replacement Battery 996QA249H - is backordered and will ship as soon as it is back in stock.
Voltage
11.55V
Amp
4600mAh
HP Elite X360 830 G11 2 In 1 — 11.55V Li-Polymer Replacement Battery (996QA249H)
This is an 11.55V, 4600mAh (53.13Wh) Li-Polymer battery for the HP Elite X360 830 G11 2-in-1 convertible notebook. It replaces OEM part 996QA249H and fits the full 830 G11 lineup, including 8L3M9AV, 8L3P5AV, 8L3Q2AV, and 38+ additional SKUs. Cell chemistry and BMS signalling match HP's original spec for this platform.
- Elite X360 830 G11 platform fit: Every 830 G11 2-in-1 variant shares the same 11.55V three-cell architecture, connector pinout, and BMS handshake protocol — which is why one cell covers the full SKU range. Swapping to a cell with mismatched BMS firmware triggers BIOS health warnings even when the cell itself is fine.
- Bench tested on actual hardware: We ran this cell on an 830 G11 unit and cycled it through HP's BIOS battery learn routine. The BMS reported correct Wh capacity, charge state tracked accurately after two full cycles, and charge acceptance reached 100% without tripping the firmware charge limit.
- Post-install calibration — Elite X360 830 G11 specific: After fitting, run one full discharge to hibernate cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap on this model.
BIOS reporting poor battery health immediately after fitting the new cell
The 830 G11 BIOS reads health data from EEPROM registers on the battery's fuel gauge IC — not from live voltage measurements. When a new cell arrives, those registers don't yet reflect the actual cycle count and capacity of the fresh chemistry. The BIOS sees mismatched data and flags the battery as degraded before a single charge cycle completes. Running HP's built-in battery check after one full calibration cycle rewrites those registers against real measured data, and the health warning clears.
Laptop shutting down at 20–30% charge shown on screen
This happens because the fuel gauge IC hasn't yet mapped the new cell's voltage curve. The old cell had a gradual voltage slope the IC learned over many cycles — the new cell drops voltage faster under combined CPU and display load, hitting the low-voltage cutoff while the OS still shows 20–30% remaining. It's a calibration gap, not a faulty cell. Run two full discharge-to-hibernate cycles and the fuel gauge IC recalibrates its cutoff threshold to the new cell's actual curve — shutdowns stop occurring above 10%.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: HP
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-Polymer
- Battery Type: Li-Polymer
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
HP Support Assistant says the new battery Wh rating doesn't match my system specs — is the cell wrong?
The Wh figure HP Support Assistant pulls comes from EEPROM data written to the fuel gauge IC at the factory. On a freshly fitted cell, that value reflects the rated chemistry spec, which can differ slightly from your original cell's logged figure. The hardware capacity is correct at 53.13Wh — the mismatch is a metadata read, not a physical difference. After one full calibration cycle the EEPROM updates and the reported figure aligns with system records.
The charge percentage jumps around wildly for the first few uses — sometimes dropping 15% in seconds.
The fuel gauge IC on the 830 G11 uses a learned voltage-to-capacity map built from previous charge cycles. With a new cell installed, that map is stale — it was built against the old cell's chemistry and discharge curve. The IC recalculates estimates in real time but lacks reference data, so readings spike and drop until it accumulates enough cycle data. Run two full discharge-to-hibernate-cutoff cycles followed by uninterrupted charges to 100%, and the gauge stabilises to within a few percent accuracy.
New battery charges to 80% then stops — HP says the battery is full but it clearly isn't.
The 830 G11 BIOS includes a battery charge limit feature that caps charging at 80% when "Battery Health Manager" is set to "Maximize my battery health" in HP BIOS settings. This is a firmware-controlled charge ceiling, not a fault with the cell. The battery itself accepts charge to 100%. Open HP BIOS (F10 at startup), navigate to Power → Battery Health Manager, and set it to "Let HP manage my battery charging" or "Fully charge" to restore full charge acceptance.
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.
Related Products
Engineered for Performance. Built to Last.
Check out our top-rated selection of reliable products built to last. We offer high-quality options that deliver consistent performance for all your needs.
-
Up to 19% offNew arrival
BatteryWeb
Xiaomi Notebook Pro X 15 R15B05W Replacement Battery 11.55V 6900mAh
1.32 lb
Sale priceFrom $81.99 USD Regular price $100.99Unit priceIn stock (30 units) -
-
Up to 19% offNew arrival
BatteryWeb
Xiaomi Pro X 14 Replacement Battery R14B05W 15.4V 3600mAh
1.1 lb
Sale priceFrom $80.99 USD Regular price $99.99Unit priceIn stock (48 units) -
-
Up to 19% offNew arrival
BatteryWeb
ER06068XL HP Elite x360 1040 G11 Replacement Battery 11.55V 5600mAh
1.14 lb
Sale priceFrom $88.99 USD Regular price $109.99Unit priceIn stock (33 units) -
-
Up to 19% offNew arrival
BatteryWeb
HP 16-f0035nr Replacement Battery 11.55V 7150mAh FZ06083XL
1.19 lb
Sale priceFrom $88.99 USD Regular price $109.99Unit priceIn stock (60 units) -
-
Up to 19% offNew arrival
BatteryWeb
HP Elite X360 1040 14 G10 Replacement Battery 11.55V 3050mAh
0.97 lb
Sale priceFrom $63.99 USD Regular price $78.99Unit priceVery low stock (9 units) -
-
Up to 19% offNew arrival
BatteryWeb
HP ProBook 635 AERO G7 Replacement Battery GR03042XL 11.55V
0.94 lb
Sale priceFrom $63.99 USD Regular price $78.99Unit priceIn stock (33 units) -
-
Up to 19% offNew arrival
BatteryWeb
HP 14-EE0000 Replacement Battery 11.25V 3450mAh AE03041XL
0.96 lb
Sale priceFrom $63.99 USD Regular price $78.99Unit priceIn stock (48 units) -
-
Up to 20% offNew arrival
BatteryWeb
Asus VivoBook 14 BX430 Replacement Battery 11.55V 4200mAh
0.99 lb
Sale priceFrom $47.99 USD Regular price $59.99Unit priceIn stock (18 units) -
