
Genuine Shark XSBT620 Battery for IONFlex & ION Cordless Vacuums — 21.6V 1900mAh 41Wh
Genuine XSBT620 removable lithium-ion replacement battery for Shark IONFlex and ION cordless vacuum cleaners. 21.6V, 1900mAh, 41Wh. Fits all Shark 21.6V tools. Replaces XSBT620AS and 13+ part numbers. 100% new, 1-year warranty.
Product Overview
This genuine XSBT620 replacement battery powers every Shark 21.6V cordless vacuum in the IONFlex and ION series. Delivering 21.6V with a 1900mAh (41Wh) lithium-ion pack, it restores full cordless runtime to your Shark handheld or stick vacuum. Removable design — slide out the old battery, click in the new one. 100% new, 1-year warranty.
Key Specifications
| Spec | Detail |
|---|---|
| Battery Model | XSBT620 / XSBT620AS |
| Chemistry | Lithium-Ion (Li-Ion) — rechargeable, removable |
| Voltage | 21.6V |
| Capacity | 1900mAh / 41Wh |
| Condition | 100% New — Genuine |
| Compatible Series | Shark IONFlex (X1-X4), Shark ION cordless, all Shark 21.6V tools |
Compatible Models & Replaces Part Numbers
| Category | Details |
|---|---|
| Vacuum Models | Shark IONFlex X1, X2, X3, X4; Shark ION cordless handheld vacuums; all Shark 21.6V tools |
| Battery P/Ns | XSBT620, XSBT620AS, QZ162HQBI, QZ162HQDE, QZ162HQLC, QZ162HQPB, QZ162HQSV |
| Additional P/Ns | QZ163HQBI, QZ163HQDE, QZ163HQLC, QZ163HQPB, QZ163HQSV, IZ162CCO, IZ162HB1, IZ162HNP |
| Replacement #s | IZ162H, IZ163H, IZ361H, IZ362H, IZ363HT |
Frequently Asked Questions
Q: How long does the XSBT620 battery last on a single charge?
A: Runtime depends on the vacuum model and power setting. On a Shark IONFlex in standard mode, expect approximately 20-25 minutes of continuous cleaning. In Boost/max mode, runtime drops to 8-12 minutes. Bare floors and light debris allow longer runtime; high-pile carpet drains faster. The battery ships partially charged — charge fully before first use. For maximum initial capacity, run 3-5 full charge-discharge cycles during the first week.
Q: Does the XSBT620 fit all Shark 21.6V cordless vacuums?
A: Yes — this battery fits every Shark 21.6V tool. It works with all Shark IONFlex models (X1, X2, X3, X4), all Shark ION cordless handheld vacuums, and any Shark cordless tool that uses the 21.6V platform. The removable battery design slides out and clicks in — no tools needed. Verify your charger dock is compatible with the 21.6V battery form factor.
Q: How long does it take to fully charge the XSBT620?
A: Approximately 3-4 hours from empty to full on the Shark IONFlex charging dock. Charge time is slightly longer than the 14.4V XSBT420 due to the higher voltage and capacity (41Wh vs 27Wh). The battery charges best at room temperature. If the battery is hot from use, the charger will wait for it to cool before beginning the charge cycle — this is normal behavior.
Q: Which vacuums are NOT compatible with the XSBT620?
A: This 21.6V battery is for Shark IONFlex and ION series only. It does NOT fit Shark WANDVAC models (WS640/WS642 — use XSBT420 14.4V), Shark upright vacuums, Shark robot vacuums, or any Shark vacuum operating on a different voltage platform. Always check your vacuum's model number and voltage — the label should indicate 21.6V if this battery is correct.
Q: What part numbers does the XSBT620 replace?
A: This battery replaces 18+ Shark part numbers: XSBT620, XSBT620AS, QZ162HQBI, QZ162HQDE, QZ162HQLC, QZ162HQPB, QZ162HQSV, QZ163HQBI, QZ163HQDE, QZ163HQLC, QZ163HQPB, QZ163HQSV, IZ162CCO, IZ162HB1, IZ162HNP, IZ162H, IZ163H, IZ361H, IZ362H, IZ363HT. Any of these on your original battery label confirms this replacement fits.
Summary
| Battery Model | XSBT620 / XSBT620AS |
| Voltage / Capacity | 21.6V / 1900mAh / 41Wh Li-Ion |
| Compatible Series | Shark IONFlex X1-X4, Shark ION cordless, all 21.6V Shark tools |
| Replaces | 18+ P/Ns — XSBT620AS, QZ162HQBI, QZ163HQBI, IZ162H, IZ163H, IZ361H and more |
This is a third-party replacement product sold by ZhanPeng, operated by Changsha Liping Technology Co., Ltd. It is not manufactured by or affiliated with the original device manufacturer. All brand names, model numbers, and trademarks referenced are the property of their respective owners and are used solely to indicate product compatibility. ZhanPeng is an independent retailer and is not sponsored, authorized, or otherwise connected with the original equipment manufacturer.