---
product_id: 664937452
title: "(BT-39T) 7.2/7.4 V Battery 1100 mAh Battery for ESSL ZK K30 BIOMETRIC Machine"
brand: "navkar systems"
price: "$37"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/664937452-bt-39t-7-2-7-4-v-battery-1100-mah
store_origin: NZ
region: New Zealand
---

# 7.2/7.4 V optimized voltage Compact 8x8x5 cm design 1100 mAh high-capacity power (BT-39T) 7.2/7.4 V Battery 1100 mAh Battery for ESSL ZK K30 BIOMETRIC Machine

**Brand:** navkar systems
**Price:** $37
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your security with confidence — never miss a scan!

## Quick Answers

- **What is this?** (BT-39T) 7.2/7.4 V Battery 1100 mAh Battery for ESSL ZK K30 BIOMETRIC Machine by navkar systems
- **How much does it cost?** $37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/664937452-bt-39t-7-2-7-4-v-battery-1100-mah)

## Best For

- navkar systems enthusiasts

## Why This Product

- Trusted navkar systems brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Quality:** Manufactured by NAVKAR SYSTEMS, made in India with premium materials
- • **Power that lasts:** 1100 mAh Li-ion capacity ensures extended biometric uptime
- • **Plug & Play Ready:** Designed specifically for ESSL ZK K30 & K90 biometric machines for seamless compatibility
- • **Precision Voltage:** 7.2/7.4 V with DC 8.4 V charge for stable, reliable performance
- • **Sleek & Lightweight:** Compact 8x8x5 cm and just 100g for easy integration

## Overview

This NAVKAR SYSTEMS 7.2/7.4 V 1100 mAh lithium-ion battery is engineered for ESSL ZK K30 and K90 biometric machines, delivering reliable, long-lasting power in a compact 8x8x5 cm form factor. Lightweight at 100g and optimized for stable voltage, it ensures your biometric security system stays operational without interruption.

## Description

(BT-39T) 7.2/7.4 V Battery 1100 mAh Battery for ESSL ZK K30 BIOMETRIC Machine

## Features

- 7.2 / 7.4 V Li-ion Battery
- Rated Capacity - 1100 mAh
- Change Voltage = DC 8.4v

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | NAVKAR SYSTEMS |
| Manufacturer | NAVKAR SYSTEMS |
| Product Dimensions | 8 x 8 x 5 cm; 100 g |
| Batteries | Lithium Ion batteries required. |
| Number of items | 1 |
| Batteries Required | No |
| Battery Capacity | 1100 Milliamp Hours |
| Battery cell composition | Lithium Ion |
| Manufacturer | NAVKAR SYSTEMS |
| Country of Origin | India |
| Item Weight | 100 g |

## Product Details

- **Number of Batteries:** Lithium Ion batteries required.
- **Brand:** NAVKAR SYSTEMS
- **Battery Cell Composition:** Lithium Ion
- **Battery Capacity:** 1100 Milliamp Hours
- **Recommended Uses For Product:** Biometric Machine
- **Net Quantity:** 1 count
- **Battery Weight:** 0.1 Kilograms
- **Item dimensions L x W x H:** 8 x 8 x 5 Centimeters
- **Item Weight:** 0.1 Kilograms
- **Compatible Phone Models:** iphone

## Images

![(BT-39T) 7.2/7.4 V Battery 1100 mAh Battery for ESSL ZK K30 BIOMETRIC Machine - Image 1](https://m.media-amazon.com/images/I/31nL-UqMAIL.jpg)

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**Shop now:** [https://www.desertcart.nz/products/664937452-bt-39t-7-2-7-4-v-battery-1100-mah](https://www.desertcart.nz/products/664937452-bt-39t-7-2-7-4-v-battery-1100-mah)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-07*