HP TouchSmart tm2-2200 11.1V Replacement Battery 582215-241
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HP TouchSmart tm2-2200 11.1V Replacement Battery 582215-241 - 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.
HP TouchSmart tm2-2200 11.1V Replacement Battery 582215-241 - is backordered and will ship as soon as it is back in stock.
Voltage
11.1V
Amp
4400mAh
HP TouchSmart tm2-2200 Series — 11.1V Li-ion Replacement Battery (582215-241)
This 11.1V, 4400mAh (48.84Wh) Li-ion battery fits the HP TouchSmart tm2-2200, tm2t, tm2t-1000, and tm2t-2100 CTO series touchscreen laptops. It replaces OEM part numbers including 582215-241, 586021-001, HSTNN-DB0Q, HSTNN-XB0Q, and WD547AA. The cell slots into the original battery bay using the factory connector — no modification needed.
- tm2 series compatibility: The tm2 and tm2t share the same 11.1V three-cell architecture and connector pinout across model variants. The BMS in each unit expects the same voltage rail and communication protocol, so this cell works across the full TouchSmart tm2 lineup without reconfiguration.
- Bench tested on actual hardware: We ran this cell on a tm2t-1000 unit through charge, full discharge, and recharge cycles. The BMS accepted the cell on first insertion, the charge controller reached float without fault codes, and the BIOS registered a valid battery present signal immediately on boot.
- Post-install calibration on tm2 units: After fitting this cell, run it down to hibernate cutoff under normal load — screen on, Wi-Fi active — then charge uninterrupted to 100%. This forces the BIOS battery learn cycle to reset against the new cell's actual capacity curve and clears the inaccurate health warning that appears after every cell swap.
BIOS reporting battery health as poor immediately after replacement
When you swap a cell in the tm2 series, the BIOS retains EEPROM data from the old battery. It compares the new cell's reported state against a degraded baseline and flags the health as poor even when the replacement is fresh. This is a firmware calibration issue, not a fault with the cell itself. Running one full discharge-to-hibernate followed by a complete uninterrupted charge gives the BIOS enough data to overwrite the old cycle count and capacity figures. After that single learn cycle, the health indicator should return to normal.
Laptop shuts down at 20–30% charge shown on the gauge
This happens when the fuel gauge IC hasn't calibrated against the new cell and is reading voltage from a shifted curve. Under full load — CPU boost, backlit touchscreen, Wi-Fi active simultaneously — the cell voltage drops faster than the uncalibrated gauge expects, and the system hits the low-voltage shutdown threshold while still showing charge remaining. The fix is calibration: let the battery discharge naturally under real use until hibernate kicks in, then charge fully to 100% without interruption. After two to three cycles the gauge IC locks onto the correct curve and shutdown at false percentages stops.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: HP
- 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 HP tm2t shows the replacement battery as "0% available (plugged in, charging)" and never moves — what's wrong?
The BIOS is reading EEPROM data left over from the old cell and hasn't recognised the new one properly. Boot into Windows and let the battery charge for a full uninterrupted cycle to 100%, then discharge to hibernate cutoff under normal use. That triggers the BIOS battery learn cycle and clears the stale EEPROM state. After one full cycle the percentage should update correctly.
The Wh rating showing in HP Support Assistant says 41Wh but the replacement battery is rated 48.84Wh — is something wrong with the cell?
Nothing is wrong. The Wh figure in HP Support Assistant pulls from the EEPROM on the old battery, which was written at manufacture and stays cached in firmware after a swap. The replacement cell carries its own rated chemistry at 48.84Wh. Run the battery learn cycle — full discharge to hibernate, then charge uninterrupted to 100% — and the system will update the reported Wh figure to match the new cell's actual capacity.
My tm2-2200 charges fine but the battery gauge jumps wildly — shows 70%, drops to 45%, then climbs back in seconds — is the cell faulty?
The fuel gauge IC in the tm2-2200 needs a few calibration cycles to map its readings accurately against a new cell's voltage curve. Until it does, the reported percentage swings as the IC interpolates from mismatched reference points. Run two to three full discharge-to-hibernate and full-charge cycles under real workload. By the third cycle the gauge IC stabilises against the new cell and the percentage reading tracks smoothly.
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