---
product_id: 128067251
title: "MELASTA 9V Lithium Battery - 4 Pack 9V Battery Rechargeable USB"
brand: "melasta"
price: "HK$362"
currency: HKD
in_stock: false
reviews_count: 8
url: https://www.desertcart.hk/products/128067251-melasta-9v-lithium-battery-4-pack-9v-battery-rechargeable-usb
store_origin: HK
region: Hong Kong
---

# 800 recharge cycles 600mAh high-capacity USB rechargeable MELASTA 9V Lithium Battery - 4 Pack 9V Battery Rechargeable USB

**Brand:** melasta
**Price:** HK$362
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Recharge your life, not your waste!

## Quick Answers

- **What is this?** MELASTA 9V Lithium Battery - 4 Pack 9V Battery Rechargeable USB by melasta
- **How much does it cost?** HK$362 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/128067251-melasta-9v-lithium-battery-4-pack-9v-battery-rechargeable-usb)

## Best For

- melasta enthusiasts

## Why This Product

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

## Key Features

- • **Power That Lasts:** 600mAh capacity fuels your devices longer, so you stay unplugged and unstoppable.
- • **Eco-Smart Savings:** Recharge up to 800 times, slashing waste and saving you serious cash over disposables.
- • **Compact & Versatile:** Slim design fits perfectly in your essentials—ideal for alarms, pedals, remotes, and more.
- • **Built-In Safety Shield:** Advanced protection guards against overcharge, short-circuit, and overheating for worry-free use.
- • **Charge Anywhere, Anytime:** Integrated USB port means no bulky chargers—just plug in and power up on the go.

## Overview

The MELASTA 9V Lithium Battery 4-Pack offers 600mAh rechargeable power with a convenient USB charging port, supporting up to 800 recharge cycles. Designed with advanced safety features and low self-discharge, these eco-friendly batteries deliver reliable, long-lasting energy for a wide range of household electronics, from guitar pedals to fire alarms, all in a compact, portable form factor.

## Description

Specifications Voltage: 6-8.4V Capacity:600mAh Battery Type: Rechargeable Li-ion Battery Battery weight : 0.9 oz Battery Size: W1.04’’*H1.89’’*T0.69’’ Life Cycles:800 cycles life Working Temperature: -20℃-60℃/ -4℉-140℉ What You Get:4-pack Melasta 600mAh 9V Li-ion Batteries Reasons for Choosing Melasta 9V Li-ion Battery Low Self-discharge: Low self-discharge is only 1% per month. Longer Cycles Times: Melasta 9V li-ion battery can be recharged 800 times. Faster Charging: Fully charged only need 1.5 hours.(Constant current charge 120 minutes to 5 V at 1A) Standard Charging: Fully charged need 7 hours.(Constant current charge 420minutes to 5 V at 100mA) Micro USB Charging Port Design: Just one USB charging cable can charge it anytime and anywhere. Advanced Protected Circuit: Built-in protection circuit to prevent over-charge, over-discharge, short-Circuit, reverse polarity and over-heated and safe charging. Perfectly Work with: 9V Li-ion battery is the ideal choose for Fire detector, Wireless microphone, Electrical toy, remote control system, Guitar bass pickup, Portable radio, Flashlight and so on. NOTE: melasta 9V Li-ion rechargeable battery contains 2 high energy density cells(per cell voltage is 3V-4.2V), voltage is 8.4V when fully charged. 9V battery voltage range varies with different kinds of materials : 9V Li-ion rechargeable battery voltage range is 6V-8.4V; 9V NiMH rechargeable battery voltage range is 7.2V-8.4V; 9V Alkaline battery voltage range is 6V-9.6V.

Review: Great 9V rechargeable batteries - I have used this batteries with great results for guitar effects pedals, digital multimeter, fire alarms. So only low current draw appliances but they last for long and the charging time is really short via USB terminal. I also shorted the plus/minus terminals a couple of time ant the batteries still working.
Review: Adequate - These s batteries worked as described.

## Features

- STANDARD 9V RECHARGEABLE BATTERIES – 4-Pack 9v 600mAh rechargeable li-ion battery with Charging USB Port. Perfectly Work with multimeter alarm system, digital cameras, portable radio, guitar pedal/pickup, walkie-talkie, microphone, toy remote, flashlight and other household Electronics.
- MONEY SAVING & TWO CHARGING METHODS – Only need a USB cable to charge melasta 9V battery anytime and anywhere, And if you have a card slot charger, you can also charge melasta 9V battery Melasta Li-ion 9v battery can be recharged up to 800 times.(1* melasta 9V battery = 800pcs alkaline battery, 1*Melasta 9V battery: $6.25/800 cycle-life = about $0.08/cycle VS others alkaline battery*1: 2.03/1 cycle-life = $2.03/cycle). Melasta 9V battery is one of the most cost-effective batteries on the market
- ECO-FRIENDLY & LOW SELF-DISCHARGE – Melasta 9v li-ion battery are environmentally friendly and green no HG/CD/PB, rechargeable and reusable lithium batteries can reduce carbon footprint by limiting the waste caused by disposable Primary & Dry Batteries. No memory effect and low self-discharge is only 1% per month, fully charged battery still maintaining 80% of capacity after 1 year lay aside.
- MULTIPLE PROTECTION & COMPACT SIZE – Built-in protection circuit to prevent over-charge, over-discharge, short-Circuit, reverse polarity and over-heated and safe charging. Its compact size is convenient for the user to carry along and to use.
- 100% SATISFACTION GUARANTEE – 35 Money back and 1 Year Warranty. If you have any questions, please feel free contact us by email, have passed UL and CE certification. What You Get: 4 Count 9v rechargeable lithium battery.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Q9ZRJNB |
| Batteries | 4 9V batteries required. (included) |
| Customer Reviews | 3.9 3.9 out of 5 stars (17) |
| Date First Available | April 3, 2019 |
| Item Weight | 0.903 ounces |
| Item model number | W1 4 |
| Manufacturer | melasta |
| Package Dimensions | 5.9 x 4 x 1.6 inches |

## Product Details

- **Battery Capacity:** 600 Milliampere Hour (mAh)
- **Battery Cell Composition:** Lithium Polymer
- **Brand:** melasta
- **Number of Batteries:** 4 9V batteries required. (included)
- **Recommended Uses For Product:** Camera, Radio

## Images

![MELASTA 9V Lithium Battery - 4 Pack 9V Battery Rechargeable USB - Image 1](https://m.media-amazon.com/images/I/618zmP36acL.jpg)
![MELASTA 9V Lithium Battery - 4 Pack 9V Battery Rechargeable USB - Image 2](https://m.media-amazon.com/images/I/61OFLdFFgnL.jpg)
![MELASTA 9V Lithium Battery - 4 Pack 9V Battery Rechargeable USB - Image 3](https://m.media-amazon.com/images/I/61ZTT+cdJAL.jpg)
![MELASTA 9V Lithium Battery - 4 Pack 9V Battery Rechargeable USB - Image 4](https://m.media-amazon.com/images/I/61b6hjK8QVL.jpg)
![MELASTA 9V Lithium Battery - 4 Pack 9V Battery Rechargeable USB - Image 5](https://m.media-amazon.com/images/I/71KHGdTvlIL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great 9V rechargeable batteries
*by N***A on March 3, 2020*

I have used this batteries with great results for guitar effects pedals, digital multimeter, fire alarms. So only low current draw appliances but they last for long and the charging time is really short via USB terminal. I also shorted the plus/minus terminals a couple of time ant the batteries still working.

### ⭐⭐⭐⭐ Adequate
*by P***E on March 3, 2020*

These s batteries worked as described.

### ⭐⭐ Betteries not included
*by D***N on January 28, 2020*

They don't really hold a charge very well. They act more like a cheap capacitor than a battery. I would not say they are better.

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**Shop now:** [https://www.desertcart.hk/products/128067251-melasta-9v-lithium-battery-4-pack-9v-battery-rechargeable-usb](https://www.desertcart.hk/products/128067251-melasta-9v-lithium-battery-4-pack-9v-battery-rechargeable-usb)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-24*