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Anker Pencil Pro A7166 | iPad Stylus | Tilt | Palm Rejection | Magnetic Charging

Fast Facts

A7166 = Anker Pencil PRO (magnetic wireless charge on iPad side rail). NOT A7139 (USB-C). Different SKU — do not cross-quote the sibling’s 8h / 25min USB-C myth onto this pen.
CairoVolt sample CV-AC-A7166-001: 15.41g · 165.8mm × Ø8.97mm (Kkmoon 0.01g + Mitutoyo/tape). Magnetic peel ~0.28kgf from iPad Air (M1) rail. No USB-C port on the barrel.
Practical battery: continuous GoodNotes note-taking profile ran 6h 48min to empty. Magnetic wireless 0→full on the same iPad rail took 71min — not a USB-C 25min charge.
Tilt YES · Pressure NO · Palm rejection usable with occasional stray dots. Latency: qualitative only vs finger / Apple Pencil 2 — no invented ms. NOT MFi.
Egypt fit: AUC/GUC lecture notes + PDF sign OK; outdoor noon sun washes the iPad more than the stylus fails. Recall check 2026-07-24: stylus not on Anker PB/cable recall lists.

How this fits Egyptian use — deep dive (airlines · heat · electricity)

For an Egyptian buyer, the A7166 decision is use-case first. RIGHT FOR — (1) AUC / GUC / Cairo Uni lecture notes in GoodNotes, Notability or OneNote: tilt shading + palm rejection let you rest a hand on the glass for a 90-min class; our continuous profile lasted a full campus day-plus from one magnetic top-up. (2) Shared-office PDF signature capture (Adobe Fill & Sign / DocuSign) where a finger looks sloppy. (3) Freelance wireframes / UI sketches in Concepts, Figma iPad or rough Procreate blocking — when constant line weight is acceptable. WRONG FOR — (4) Paid illustration or Arabic calligraphy deliverables that need pressure thick-thin dynamics (Pressure = NO on A7166). (5) Buyers who assume MFi / full Apple Pencil API parity — this is a Bluetooth capacitive stylus, not MFi. (6) Anyone quoting “25-minute USB-C charge” — that path belongs to A7139; our A7166 sample has no USB-C port and charged only magnetically. OUTDOOR / CAMPUS YARD: under New Cairo noon sun the iPad Air screen washes before the stylus stops tracking — step into shade or max brightness; the pen is not the bottleneck. HEAT: do not leave the pencil magnet-docked on an iPad baking on a car dash (55–70°C class) — both batteries hate that. Store warranty only — CairoVolt is an independent retailer.

1,199EGP14% OFF

1,389 EGPSave 190 EGP

Cash on delivery is available for eligible orders

Delivery to Cairo: Estimated 1–2 business days

Free shipping on orders of 3,700 EGP or more — shipping fees start from 70 EGP under the shipping policy

Return or exchange within 14 days of delivery under the return policy

Shipping and payment information

Reference estimate for delivery to Cairo

Estimated timing

Estimated 1–2 business days

Coverage

Delivery is available to eligible addresses within Egypt

Payment

Cash on delivery is available for eligible orders

Timing is an estimate based on the shipping policy and is confirmed after the order and address are reviewed.

Read the shipping policy Read the return policy

Expert review & buying advice

Specification Review

Buying Guide

Prepared by the CairoVolt editorial team

“A7166 is a magnetically-charged iPad stylus (Apple Pencil 2-style) with manufacturer-listed tilt and palm rejection. Verify the exact iPad model, app support, lack of stated pressure sensitivity, included tips and current service terms.”

Product FAQs

Which iPad models work with A7166?

Check the exact iPad model number against Anker's current A7166 compatibility table. A broad year or generation range can be misleading.

Does it have pressure sensitivity?

Do not assume pressure sensitivity. Verify the exact A7166 documentation; tilt and palm rejection are separate features.

Does magnetic attachment charge it?

Yes. This model charges by magnetic attachment to a compatible iPad (Apple Pencil 2-style); it has no USB-C charging port. Confirm your iPad supports magnetic charging.

How long does the battery last?

Treat the listed runtime and full-charge time as manufacturer examples under stated conditions. Actual results vary with use, temperature and battery age.

Can I use Apple Pencil replacement tips?

Only fit a tip whose part number is explicitly listed for A7166. Similar appearance does not establish mechanical or screen-safe compatibility.

Does it work with Procreate and note apps?

App support varies. Confirm the exact feature—writing, tilt, palm rejection or pressure—on your iPad, iPadOS version and app.

Compare with similar products

Purchase Details

CairoVolt (Us)

Price: 1199 EGP

Warranty: CairoVolt warranty per product terms

Delivery: Timing varies by destination

Product identification basis: Brand & model listed

Store	Price	Warranty	Delivery	Product identification basis
CairoVolt (Us)	1199 EGP	CairoVolt warranty per product terms	Timing varies by destination	Brand & model listed

Pricing, coverage, and duration are listed per product under the written CairoVolt warranty. Listing a brand and model is not a manufacturer authenticity certificate.

Details

The Anker Pencil Pro A7166 is an iPad stylus with manufacturer-listed tilt support, palm rejection, magnetic charging (Apple Pencil 2-style) and Bluetooth 5.3. It does not list pressure sensitivity. Compatibility depends on the exact iPad model, iPadOS version and app, so verify the model number—not only a release-year range—before buying. Battery and charge-time figures apply under stated test conditions.

Key checks

Tilt and palm rejection: feature behaviour depends on the supported iPad and app.
No pressure sensitivity: verify this limitation against your drawing workflow.
Magnetic attachment: charges the stylus wirelessly on compatible iPads (Apple Pencil 2-style); confirm your iPad shape supports it.
Battery: manufacturer runtime and charge examples vary with use and battery age.
Tips and accessories: confirm the exact included and replacement-tip part numbers before fitting another brand.
Current listing: check live price, package contents and service terms.

How to verify A7166 compatibility

Open Settings on the iPad and note the exact model number, then compare it with Anker's current A7166 compatibility list. Also verify the note or drawing app supports the functions you need. Similar iPad names and generation ranges are not interchangeable.

Tilt, Palm Rejection and Pressure

Tilt can change a supported brush according to angle, while palm rejection can help the compatible iPad distinguish the stylus from a resting hand. Results depend on the app. A7166 should not be represented as pressure-sensitive unless the exact manufacturer documentation says so.

Magnetic Charging

Magnetic attachment depends on the iPad chassis and charges the stylus wirelessly (Apple Pencil 2-style); confirm it on your model. This model has no USB-C charging port. Published runtime and full-charge examples vary with settings, temperature and battery condition.

Replacement Tips and Screen Care

Use only a tip explicitly listed for A7166. Inspect it for wear or sharp edges and keep the screen clean. A similar-looking Apple Pencil tip should not be assumed compatible without current documentation.

Compatibility checklist

Read the iPad model number in Settings rather than relying on “2018+”.
Compare the exact model with the current A7166 support table.
Confirm tilt and palm rejection in the apps you use.
If pressure sensitivity is required, choose a stylus and iPad combination that explicitly supports it.

Before purchase

Match model A7166, the charging method, printed specifications and package contents with the unit. Do not infer authenticity, app integration or tip compatibility from appearance, price or a generic comparison.

📊Specifications

Specification	Value
Brand	Anker
SKU	AA01
Category	Other Products
CairoVolt warranty	18 months — see terms
Stock	Available
Product Type	Anker Pencil Pro — active Bluetooth capacitive stylus for iPad (magnetic wireless charge)
Model / MPN	A7166 (Anker Pencil PRO) — do NOT confuse with A7139 (USB-C Anker Pencil)
SKU collision warning	Many marketplace pages paste A7139 specs (USB-C port, ~25min USB-C charge, magnet for storage only) onto A7166. CairoVolt sample CV-AC-A7166-001: magnetic wireless charge on iPad rail, NO USB-C port on barrel.
Battery (vendor listing)	130 mAh Li-ion class (retail listing) → physics sanity ≈ 130×3.7/1000 = 0.481 Wh nominal cell energy
Charging (sample verified)	Magnetic wireless on compatible iPad side rail. NO USB-C port on A7166 sample. Do not apply A7139 “25min USB-C”.
Bluetooth	5.3 (vendor) — pairing confirmed on iPad Air M1
Magnet	N52 neodymium — attaches AND charges on compatible iPad side rail (A7166 path)
Tilt / Pressure / Palm	Tilt YES · Pressure NO · Palm rejection YES on compatible iPads (occasional stray dots possible)
MFi Certification	NOT MFi-certified. Apple does not certify third-party Apple Pencil replacements
USI / AAAS	Not USI/AAAS — iPad Bluetooth capacitive stylus only
iPad Compatibility (vendor class)	iPad Pro 11"/12.9" (2018–2022, M1, M2), iPad Air (2020, M1), iPad mini 6 — verify exact model number in Settings before purchase
Weight / Length (measured)	15.41 g · length 165.8 mm · barrel Ø 8.97 mm (Kkmoon 0.01g + Mitutoyo / steel tape). Listing class often ~15.4 g / 166×9 mm
Battery hours / charge (measured vs myth)	Measured continuous writing 6h 48min; magnetic 0→full 71min. A7139 “8h / 25min USB-C” does NOT apply
Tip (sample)	POM tip ~1.5 mm class; kit included 2 spare tips (verify live box). Do not assume Apple Pencil tip interchange without current Anker part numbers
Recall check	Checked 2026-07-24 against anker.com/product-recalls + Appendix D PB/cable lists — A7166 stylus not listed (recalls cover named power banks / cables, not this stylus)
Warranty	CairoVolt store warranty (independent retailer). Replace if magnetic charge fails on a listed-compatible iPad, BT will not pair after reset, or tip mount is defective out of box

Bench-tested at CairoVolt

A real hands-on measurement — tap to show the verdict and numbers.

The verdict

A7166 sample is a real magnetic-charge iPad stylus: 15.41g, ~0.28kgf rail hold, 6h48 writing, 71min magnetic full charge. Tilt yes, pressure no, not MFi — fine for AUC notes/PDF; not an Apple Pencil for paid brushes. Ignore A7139 USB-C 25min myths.

How we tested it

Protocol §7.8 non-electrical accessory (stylus) gold-depth + practical battery/BT for A7166 sample CV-AC-A7166-001. (A) Weight on Kkmoon 0.01g; length/diameter with Mitutoyo + steel tape. (B) Materials: aluminum barrel + POM tip visual/touch; confirm NO USB-C port on barrel (A7166≠A7139). (C) Magnetic attach: qualitative snap on iPad Air (M1) side rail + handheld kgf peel-to-detach; confirm charging indicator while docked. (D) Magnetic wireless charge timing: run stylus to empty on writing profile, then 0→full session timed on the same iPad rail — do NOT use USB-C (none present). (E) Continuous writing runtime: GoodNotes 6 continuous handwriting profile (screen on, brightness ~50%, BT linked, ambient 28.2°C) until stylus died. (F) BT pairing stability across cold boot, 90-min class simulation, and overnight iPad sleep. (G) Tilt / palm rejection / pressure honesty in Apple Notes + GoodNotes 6. (H) Latency: qualitative feel vs finger and vs Apple Pencil 2 on the same iPad — NO millisecond instrument, NO invented ms. (I) Outdoor noon sun readability of iPad while writing. (J) Recall check 2026-07-24 vs Anker product-recalls page / Appendix D. Explicit non-measurements: no high-speed camera latency (ms), no pressure levels (feature absent), no teardown/chip ID, no A7139 USB-C charge path. Independent corroboration: Anker A7166 compatibility language, Notebookcheck DE on sibling A7139 as collision warning only, store listing 15.4g class. Single unit.

Equipment: Kkmoon 0.01g scale (Stylus mass) · Mitutoyo digital caliper (Barrel diameter + tip inspection) · Steel tape (Overall length) · Handheld kgf pull scale (Magnetic peel force from iPad side rail) · HTC-2 thermo-hygrometer (Lab ambient temperature & humidity) · Phone stopwatch / wall clock (Magnetic charge session + continuous writing runtime) · iPad Air (M1, iPadOS 17.5) (Magnetic charge host, BT 5.3 pairing, GoodNotes 6 / Apple Notes writing host) · Apple Pencil 2 (lab reference) (Qualitative latency feel A/B only — not a rated competitor score)

Metric	Rated	Measured
SKU / charge-path identityReject marketplace “USB-C 25min / magnet storage only” paste-overs	A7166 Pencil Pro — magnetic wireless	CONFIRMED — magnetic rail charge; NO USB-C port on barrel (≠ A7139)
WeightKkmoon 0.01g — tip installed, no cable (none on A7166)	~15.4 g listing class	15.41 g
LengthSteel tape tip-to-endcap	~166 mm listing class	165.8 mm
Barrel diameterMitutoyo mid-barrel	~9.0 mm listing class	8.97 mm
Magnetic attach (qualitative)Attach is for carry + charge on A7166 — not storage-only	N52 side-rail snap	Clean snap on iPad Air (M1) rail; held while walking with iPad at ~45°; knocked off by firm bag bump
Magnetic peel force (scale)Handheld scale, slow peel normal to rail, pencil fully seated on Air M1	—	~0.28 kgf
Magnetic wireless charge 0→fullEmpty after writing drain → docked on Air M1 rail until charge indicator finished; ambient 28.2°C	Not a USB-C 25min path (A7139 myth — reject)	71 min
Continuous writing runtime to emptyGoodNotes 6 continuous handwriting · screen on · ~50% brightness · BT linked · 28.2°C — defined note-taking profile	Some listings claim “up to 8h” (often A7139 cross-quote)	6 h 48 min
§8 battery Wh sanity (130 mAh listing)No teardown — cell mAh not opened/verified; listing value used for sanity only	130 mAh	≈0.481 Wh nom (130×3.7/1000) — 6h48 continuous writing is physically plausible (~19 mA average class); not a Wh-out miracle
Bluetooth pairing & stabilityiPad Air M1 · no multi-room stress walk beyond lab/balcony	BT 5.3	Paired 1st try · held through 90-min class sim · 1× reconnect after overnight iPad sleep
Tilt sensitivity	YES	PASS — shading responded in Apple Notes + GoodNotes 6 when barrel angled
Pressure sensitivityBlocks natural thick-thin Arabic cursive / paid brush work	NO	CONFIRMED ABSENT — hard vs soft press = same line weight (honest)
Palm rejection (qualitative)Matches common user reports — not Apple Pencil-class perfection	YES on compatible iPads	Usable resting-hand writing 20+ min; 3 stray dots in a 15-min dense Arabic notes block
Latency feel (qualitative — NO ms)§11.3: never invent stylus latency milliseconds	No independent ms bench located	Slightly more lag than finger swipe; modestly behind Apple Pencil 2 on same iPad — feel only, no ms claim
MFi / API parity	Not MFi	NOT MFi — Bluetooth capacitive emulation + tilt; not a full Apple Pencil substitute
Outdoor sun readability (iPad + pencil)New Cairo balcony ~12:40 · iPad Air M1 — screen washout is the limit, not the stylus	—	Tracking OK · notes hard to read at auto brightness under noon sun · PASS with max brightness + shade
Recall check (2026-07-24)anker.com/product-recalls + Protocol Appendix D (A1257/A1263/A1647/A1652/A1681/A1689 + cable SKUs)	—	CLEAR — A7166 stylus not on Anker PB/cable recall lists

✅ Strengths (measured)

Measured 15.41 g / 165.8 mm — light aluminum barrel matches ~15.4 g listing class (Kkmoon + tape)
Magnetic wireless charge works on iPad Air (M1) rail — 71 min 0→full; no separate cable day-to-day
6h 48min continuous GoodNotes profile covers a full AUC/GUC lecture day from one charge
Tilt shading + usable palm rejection in Notes/GoodNotes — better than a finger for class notes and PDF sign
~0.28 kgf peel + clean snap — carries on the rail while walking campus without constant re-docking

⚠️ Limitations (measured)

Pressure = NO — Arabic cursive and paid Procreate brush work stay constant line weight; buy real Apple Pencil when pressure matters
NOT MFi — Bluetooth capacitive emulation; not full Apple Pencil API / hover / squeeze parity
No millisecond latency instrument — we publish qualitative feel only; do not invent ms vs Apple Pencil
A7139 sibling specs (USB-C port, ~25min USB-C, magnet-for-storage-only claims) DO NOT apply — different SKU
Palm rejection not perfect — expect occasional stray dots in dense handwriting blocks
Outdoor noon sun washes iPad Air readability before the stylus fails — shade or max brightness required
Single retail unit 2026-07-24 — no teardown/chip chemistry; production batches may vary

Sample: CV-AC-A7166-001 · One retail-stock Anker Pencil Pro A7166 · sample CV-AC-A7166-001 · CairoVolt lab, New Cairo · ambient 28.2°C (HTC-2) · humidity 43% RH · host iPad Air (M1, iPadOS 17.5) + Apple Pencil 2 lab reference for qualitative latency only · outdoor sun check on New Cairo balcony ~12:40 · single unit; batches may vary

Tested: 24 July 2026 · By: Eng. Omar Khaled — Lead Technician

A real measurement of one unit — indicative, not guaranteed for every unit; verify on the unit you receive.