Brand · Walmart house brand · Budget floor
onn.: the price floor for a certified charger.
onn. is Walmart's electronics label, and it defines the bottom of the market for hardware that still carries a retail safety mark. Nothing here is clever. The 20W and 30W USB-C bricks charge a phone at the same rate as adapters costing four times more, because a phone's peak draw — not the charger's badge — sets the speed.
What the budget floor costs you
Not safety, if the unit carries a UL or ETL mark. What you actually give up is everything around the watts:
| Feature | onn. tier | Why it matters |
|---|---|---|
| PPS | Rarely stated | No 45W Super Fast Charging on a Galaxy Ultra |
| Folding prongs | Usually fixed | Pokes holes in a bag; worse for travel |
| GaN construction | Not guaranteed | Bulkier and warmer at 65W-class output |
| Per-port split published | Rarely | You cannot predict laptop speed with a phone attached |
| Sustained-load data | None | Assume the rating is a peak, not a plateau |
None of that matters for a phone on a nightstand. All of it matters for a laptop you rely on. That is the whole decision.
Where onn. is the right answer
Buy it as a consumable. A spare for a car, a second charger for a kid's room, a unit for a guest bedroom, a hotel-room sacrifice you will not mourn if it stays in the drawer. Its natural competition is not Anker but the other house brands — Amazon Basics and Insignia — and the picks that make sense at this price live on best chargers under $15.
The picks
- 30W
onn. 30W USB-C (best value in the line)
Full iPhone speed with headroom for an iPad, at the lowest price any certified charger reaches. See our onn. 30W review for the caveats.
- Output
- 30W-class PD
- Ports
- 1× USB-C
- Charges
- iPhone, iPad, earbuds
- Best for
- Spares in every room
- 20W
onn. 20W USB-C
The phone-only tier. Identical real-world iPhone speed to the 30W; buy it only if the price gap is real.
- Output
- 20W PD
- Ports
- 1× USB-C
- Charges
- iPhone at full speed
- Best for
- Bedside, guest room
- Multi
onn. multi-port USB-C charger
Two or more ports for a nightstand shared by a phone and earbuds. Do not plan a laptop around it without checking the box.
- Output
- Varies by SKU
- Ports
- 2+
- Best for
- Shared nightstands
- Check
- Total vs per-port
Who should skip onn.
Skip it if the charger is doing a job: a laptop you work on, a Galaxy that needs 45W with PPS, a travel kit where a folding plug and 100–240V labelling matter, or a desk where you want one brick to run everything. For those, step up to a real GaN charger or a multi-port unit. Also skip the temptation to go below onn. — the tier under the house brands is uncertified marketplace hardware, which is the one genuinely risky category in charging. Read charger safety before you make that trade, and see official vs third-party for where the money actually goes.
FAQ
Are onn. chargers safe to use with an iPhone?
A certified onn. USB-C PD charger charges an iPhone at the same rate as any other 20W or 30W adapter, and the phone controls what it draws. Check for a UL or ETL mark on the housing before buying.
Why is onn. so much cheaper than name brands?
Retail scale, contract manufacturing and a feature set stripped to the standard: no PPS, no folding plug, no GaN guarantee and no published port-split data. The certification and the basic PD negotiation stay.
Can an onn. charger power a laptop?
A 65W-class one can run an ultrabook, but without published sustained-load or per-port figures you are trusting a peak number. For a laptop you depend on daily, buy a charger that publishes its profiles.