# Unitech EA520 replacement battery 3.8V 4250mAh (model 1400-900063G)

**URL:** https://aio.lv/en/product--unitech-1400-900063g--10803301
**Data updated:** 2026-02-13 15:34 (EET)
**Category:** Office Equipment Accessories
**Manufacturer:** Unitech
**Manufacturer code:** 1400-900063G
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Rechargeable battery for Unitech EA520 handheld device, rated 3.8V and 4250mAh (model 1400-900063G). Designed as a direct replacement to restore device runtime for mobile scanning, data collection and field work. Provides extended operating time compared to lower-capacity cells and is suitable for on-site use, travel and continuous shift operation.

## Long description

Rechargeable battery designed for the Unitech EA520 handheld device, rated 3.8V and 4250mAh. This direct-replacement cell restores and extends runtime for barcode scanning, mobile data collection and field operations. The battery is intended for use as a user-replaceable power source to support prolonged on-site activity, travel between locations and continuous shift work where longer operating time is required.
Advantages
This battery offers a higher capacity compared with lower-capacity cells commonly used in the same class of handheld devices, providing longer run time between charges. The chemistry and rated voltage match the device requirements to maintain stable power delivery and predictable performance. The replacement design allows straightforward installation without modification to the host device, and the rated capacity supports multiple hours of typical handheld operation under moderate duty cycles.
Suitable for
Mobile barcode scanning and inventory management
Field data collection and logistics operations
Retail and warehouse shift work requiring extended runtime
On-site inspections and service visits where charging opportunities are limited
Key specifications
Nominal voltage: 3.8 V
Rated capacity: 4250 mAh
Cell type: rechargeable lithium-based battery
Form factor: user-replaceable pack compatible with the handheld device
Intended operating environment: typical indoor and outdoor field use (avoid extreme temperatures)
How to use
Power down the Unitech EA520 before installing the replacement battery. Remove the existing battery following the device manufacturer’s instructions and insert the replacement pack until it seats securely. After installation, power on the device and allow the battery to charge fully before first extended use to condition the pack and ensure accurate capacity reporting. Use the device’s battery indicators or charging accessories recommended by the device manufacturer to monitor charge level and charging status.
Usage recommendations
Store and operate the battery within the temperature ranges specified by the handheld device manufacturer. Avoid exposure to prolonged high heat, direct sunlight or moisture. Use the manufacturer-approved charger and handle the battery according to basic safety precautions: do not puncture, disassemble, short-circuit or expose the pack to fire. For optimal lifetime, perform shallow charge cycles during regular use rather than full deep discharges when practical.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Unitech products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Unitech service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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