Sicimly 3400mAh Replacement Batteries for Zebra Printer ZQ520 ZQ521 QLN320
Quick take
The Sicimly 3400mAh replacement battery is made for select Zebra mobile printers like the ZQ520/ZQ521 and QLN220/QLN320 series, offering a 7.4V lithium-ion power pack rated at 25.16Wh. Reviewers who use it in day-to-day work settings often report steady operation and good charge retention for a couple of days, but buyer-review evidence is mixed on how long it lasts and there is at least one report of a defective unit out of the box.
Pros and cons
Pros
- Designed as a replacement for multiple Zebra mobile printer models (ZQ520/ZQ521, QLN320/QLN220HC, and others listed by the product).
- 3400mAh, 7.4V Li-ion capacity (25.16Wh) for longer stretches between battery swaps.
- Includes stated protections (overcharge, overdischarge, overheat, overcurrent, short-circuit).
- Easy to match as a swap-in battery for the compatible printer lineup.
Cons
- Compatibility matters, since an out-of-the-box failure report suggests some buyers may need to verify model and part-number fit carefully.
What buyers think
Buyer-review evidence is limited, but a few themes show up. Several reviewers describe fewer printing interruptions after switching to this battery and report that the printer stayed operational for multiple days on a single charge. Others report “good quality” and that the battery life worked well for their workflow. At the same time, there is mixed feedback on runtime, including a claim that it needed replacement sooner than hoped, and there is at least one report of a battery that appeared defective when first powered on. Overall, the most reliable takeaway is that this battery can solve day-to-day power issues for compatible Zebra printers, but you should confirm your exact printer model and battery part number before ordering.
Key specs that affect real-world use
- Battery type: Li-ion (lithium-ion)
- Capacity and energy: 3400mAh (25.16Wh)
- Voltage: 7.4V
- Form factor: 73 x 55 x 25 mm (listed size), gross weight around 124 g
- Quantity: 1 battery included
Compatibility and installation notes to get right
This battery is intended for several Zebra mobile printers, including the ZQ520/ZQ521 and QLN320/QLN220 families (plus additional model numbers listed for the replacement fit). Before you buy, cross-check both your printer model and the battery part numbers referenced in the listing, especially if your workplace uses multiple printer variants.
One practical note: to “activate” a new battery, the listing instructs fully discharging it before charging normally. If you rely on the printer every day, plan the initial charge cycle when you can afford a full discharge and recharge window.
Pros and cons, explained for shoppers
When this battery is a good match
- You need a replacement battery for a compatible Zebra mobile printer and want a higher-capacity Li-ion option in the 7.4V class.
- Your biggest pain point is battery-related downtime, and you prefer swapping a working battery rather than troubleshooting printing interruptions.
- You value built-in protection features (overcharge, overdischarge, overheat, overcurrent, and short-circuit) as part of everyday safety.
When you should be cautious
- If your priority is maximum runtime, review evidence is mixed.
- If you cannot easily confirm exact compatibility (model plus part number), there is a risk of a mismatch. A reported “battery failed” experience suggests verification is important.
Verdict
The Sicimly 3400mAh replacement battery is a solid choice for buyers replacing a worn-out battery in supported Zebra mobile printers. Most feedback points to improved day-to-day reliability and usable multi-day charge retention, but the runtime experience is not uniform, and there is at least one report of an early failure. If you verify your exact printer and part-number compatibility and follow the initial full-discharge activation guidance, it should fit well for routine workplace printing.
Price and availability
This item is currently listed as in stock, with pricing shown on the retailer page. If you are comparing options, consider both your printer compatibility requirements and how closely a battery’s reported charge life matches your workflow (for example, single shift vs. multi-day use).
How to choose the right replacement battery (quick checklist)
- Match your printer model exactly (ZQ520/ZQ521, QLN320/QLN220 variants, etc.).
- Confirm the battery part number if you have it, not just the printer name.
- Plan the first charge cycle using the full-discharge activation guidance.
- Think about runtime needs: if you print across long shifts, prioritize batteries with consistent runtime feedback.
- Have a backup plan for early DOA risk, especially for critical operations.
FAQ
Will this battery fit my Zebra ZQ520 or ZQ521?
It is listed for ZQ520 and ZQ521, along with several other Zebra mobile printer models. Double-check your printer model and any battery part numbers to confirm the correct replacement fit.
What are the battery voltage and capacity?
It is a 7.4V lithium-ion battery rated at 3400mAh, with an energy rating of 25.16Wh.
How long does the battery last on a charge?
Review evidence is mixed. Some buyers report charge retention for multiple days, while another buyer said it did not last as long as hoped. Actual runtime can vary based on printer usage patterns.
Do I need to do anything special before charging a new battery?
The listing instructs that the battery needs to be fully discharged before it can be charged normally, as part of the initial activation process.
Is there protection against overheating and power issues?
The battery is described as including protection features such as overcharge, overdischarge, overheat, overcurrent, and short-circuit protection.
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Specifications
| Product Title | Sicimly 3400mAh Replacement Batteries for Zebra Printer ZQ520 ZQ521 QLN320 QLN220 QLn220HC ZR628 ZR638 ZR658 ZR668 ZQ610 ZQ620 ZQ500 ZQ510 QLn320HC 25.16Wh |
|---|---|
| Category | Electronics > Camera & Photo > Underwater Photography > Cameras |
| Brand | Sicimly |
| Manufacturer | Sicimly |
| Model Name | QLN220 ZQ520 ZQ521 QLN320 QLn220HC ZR628 ZR638 ZR658 ZR668 ZQ610 ZQ620 ZQ500 ZQ510 QLn320HC |
| Model Number | QLN220 ZQ520 ZQ521 QLN320 |
| Item Weight | 130 Grams |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Antenna Location | Indoor/Outdoor |
| Battery Capacity | 3400 Milliamp Hours |
| Voltage | 7.4 Volts (DC) |
| Reusability | Rechargeable |
| Compatible Phone Models | for Zebra Label Printer ZQ520 ZQ521 QLN320 QLN220 QLn220HC ZR628 ZR638 ZR658 ZR668 ZQ610 ZQ620 ZQ500 ZQ510 QLn320HC |
| Unit Count | 1.0 Count |
| Battery Weight | 124 Grams |
| Item Dimensions | 2.17 x 0.98 x 2.87 inches |
| Battery Cell Type | Lithium Ion |
| Battery Cell Composition | Lithium Ion |
| Recommended Uses For Product | Indoor/Outdoor |
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