---
product_id: 538498159
title: "9V Rechargeable Lithium Batteries - High Capacity 850mAh Lithium-Ion - Leak-Proof and Ultra Long Life 10 Years - 1300 Times Cycle - Smoke Detectors, Radios, Wireless Microphones (4 Units)"
brand: "czvv"
price: "$79.89"
currency: USD
in_stock: true
reviews_count: 8
category: "Czvv"
url: https://www.desertcart.us/products/538498159-9v-rechargeable-lithium-batteries-high-capacity-850mah-lithium-ion-leak
store_origin: US
region: United States of America
---

# 1300 Recharge Cycles 850mAh High Capacity Leak-Proof Safety 9V Rechargeable Lithium Batteries - High Capacity 850mAh Lithium-Ion - Leak-Proof and Ultra Long Life 10 Years - 1300 Times Cycle - Smoke Detectors, Radios, Wireless Microphones (4 Units)

**Brand:** czvv
**Price:** $79.89
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smarter, last longer, and stay ahead of the pack!

## Quick Answers

- **What is this?** 9V Rechargeable Lithium Batteries - High Capacity 850mAh Lithium-Ion - Leak-Proof and Ultra Long Life 10 Years - 1300 Times Cycle - Smoke Detectors, Radios, Wireless Microphones (4 Units) by czvv
- **How much does it cost?** $79.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/538498159-9v-rechargeable-lithium-batteries-high-capacity-850mah-lithium-ion-leak)

## Best For

- czvv enthusiasts

## Why This Product

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

## Key Features

- • **Built to Protect:** Leak-proof nylon closure safeguards your devices and ensures battery longevity even in storage.
- • **Charge & Go Fast:** Supports 4-channel fast charging with 3 preset modes for efficient, safe power-ups under 4 hours.
- • **Eco-Smart Energy:** No toxic metals (Hg/Cd/Pd) and 10-year shelf life reduce waste and environmental impact.
- • **Power That Lasts:** 2.6x capacity vs standard 9V batteries means fewer replacements and uninterrupted performance.
- • **Universal Compatibility:** Perfect for smoke detectors, wireless mics, radios, guitars, and all your essential 9V devices.

## Overview

The czvv 9V Rechargeable Lithium Batteries deliver an impressive 850mAh capacity—2.6 times that of typical 9V batteries—combined with a remarkable 1300 recharge cycles and leak-proof design. Engineered with eco-friendly materials and a 10-year shelf life, these batteries offer fast, safe charging and broad compatibility with essential devices like smoke detectors and wireless microphones, making them the ultimate sustainable power solution for professionals who demand reliability and longevity.

## Description

Upgraded czvv 850mAh Cobalt Lithium Rechargeable Batteries with a capacity about 2.6 times larger than common 9V 320mAh batteries. The ecological concept is reflected in manufacturing. Say NO to harmful substances such as Hg/Cd/Pd. This battery pack includes 4 pack of 9V Lithium batteries with 1 solid fast charger. Long-lasting use. Longevity and reliability to power your everyday electronics with 100% lifespan. Leak prevention Our batteries are equipped with a top quality nylon closure that helps prevent leaks to ensure the safety of your devices and that unused batteries do not deteriorate. Strong fast charge ≤4H Supports 4 channels of fast charging at the same time. Preset with 3 charging models: maintenance charge, constant current charging and constant voltage charging, 5V 2A input ensures 100% batteries Shelf life of 10 years Our technology keeps your unused batteries powered up to 10 years when stored in their original packaging and in ambient storage. No pollution Does not contain Hg/Cd/Pd, no pollution to the environment. Low self-discharge Durable & long term. The improved low self-discharge allows it to retain 75% of its capacity after 3 years of non-use. High quality components All our batteries are manufactured with the highest quality components, to ensure safe operation for both the user and the device in which they are installed. Wild Compatibility - Microphone - Portable radio - 9v battery smoke alarm - Electronic guitar - Walkie Talkie - Small car - Multimeter - Metal detector - Medical equipment - Alarm clock - GPS device - Game control Note: Please confirm in advance whether the device is suitable for 9V batteries*

Review: Satisfied - it works fine, satisfied, packed properly, charged fine,
Review: Good Product - Good product. The charger is compact and it came with already charged batteries. Delivery on time and well packaged.

## Features

- 【Higher Capacity, Lower Cost】Upgraded 850mAh lithium cobalt oxide battery with about 2.6 times the capacity of ordinary 9V 320mAh battery. Reject harmful substances such as Hg/Cd/Pd. The self-discharge rate of 9V lithium rechargeable batteries ensures the useful life, which means they still retain 80% of their capacity after 36 months of inactivity. 1300 times cycles, a wonderful combination of electricity and chemistry.
- 【Why 8.7V instead of 9V? 】 The rated voltage of the lithium battery is 3.7V, the full charging voltage is 4.2V, better known as cut-off voltage. By connecting two groups of 3.8V high-density lithium-polymer cells in series, we manufacture K007. Under ideal conditions, a charged 9V battery will maintain a voltage of about 8.7V (4.35V*2), higher than 9V lithium. batteries of all brands so far.
- 【Widely Applicable】Compatible with most 9V battery powered devices. For example, 9V smoke detectors, garage door openers, alarm clocks, wireless microphones, radios, electronic toys, flashlights, remote control, massagers, transceivers, guitars, metal detectors, multifunctional instruments, etc.
- 【Protect the environment】 9V rechargeable batteries are more environmentally friendly and efficient than disposable alkaline batteries; Using 9V batteries can reduce waste emissions and protect our environment
- 【What You Get】 czvv Ultra 850mAh 9V Batteries (4 Pack with 8.7V DC Output). 12 months warranty and customer service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C8S8CGRF |
| Best Sellers Rank | #24,549 in Electronics ( See Top 100 in Electronics ) #991 in Household Batteries & Chargers |
| Item model number | K007J 1*4 |
| Manufacturer | czvv |
| Product Dimensions | 7.5 x 5.1 x 3 cm; 127.6 g |

## Product Details

- **Battery capacity:** 850 Milliamp Hours
- **Battery cell composition:** Lithium Polymer
- **Brand:** czvv
- **Number of batteries:** 4 9V batteries required. (included)
- **Recommended uses for product:** Laptop

## Images

![9V Rechargeable Lithium Batteries - High Capacity 850mAh Lithium-Ion - Leak-Proof and Ultra Long Life 10 Years - 1300 Times Cycle - Smoke Detectors, Radios, Wireless Microphones (4 Units) - Image 1](https://m.media-amazon.com/images/I/71z7pz0xypL.jpg)
![9V Rechargeable Lithium Batteries - High Capacity 850mAh Lithium-Ion - Leak-Proof and Ultra Long Life 10 Years - 1300 Times Cycle - Smoke Detectors, Radios, Wireless Microphones (4 Units) - Image 2](https://m.media-amazon.com/images/I/71QkDZQWGjL.jpg)
![9V Rechargeable Lithium Batteries - High Capacity 850mAh Lithium-Ion - Leak-Proof and Ultra Long Life 10 Years - 1300 Times Cycle - Smoke Detectors, Radios, Wireless Microphones (4 Units) - Image 3](https://m.media-amazon.com/images/I/71Lq5LErsnL.jpg)
![9V Rechargeable Lithium Batteries - High Capacity 850mAh Lithium-Ion - Leak-Proof and Ultra Long Life 10 Years - 1300 Times Cycle - Smoke Detectors, Radios, Wireless Microphones (4 Units) - Image 4](https://m.media-amazon.com/images/I/81sH2Dg2JqL.jpg)
![9V Rechargeable Lithium Batteries - High Capacity 850mAh Lithium-Ion - Leak-Proof and Ultra Long Life 10 Years - 1300 Times Cycle - Smoke Detectors, Radios, Wireless Microphones (4 Units) - Image 5](https://m.media-amazon.com/images/I/71zxD61dBvL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Satisfied
*by T***. on 28 July 2025*

it works fine, satisfied, packed properly, charged fine,

### ⭐⭐⭐⭐⭐ Good Product
*by C***I on 16 September 2023*

Good product. The charger is compact and it came with already charged batteries. Delivery on time and well packaged.

### ⭐⭐ Bad seller
*by D***F on 31 July 2023*

Product was ok but the seller not providing invoice even after requesting for 4 times.

## Frequently Bought Together

- czvv Rechargeable 9V Batteries - High-Performance Lithium-ion Battery 4 Pack with 4-Bay Speed Charger - Leak-Proof Ultra Long-Lasting 8.7 Volt 1300x Cycle Times with a 10-Year Shelf Life
- czvv Rechargeable AA 1.5V Lithium Batteries 8-Pack, Full-Recharged Long-Lasting 3500mWh High-Capacity 2300+mAh Dual A with Fast Charger Combo for High-Tech Devices, Blink Cameras, Cycle Times 1300x
- CZVV Rechargeable AA Lithium 1.5V Batteries 4-Pack, 3500mWh Full-Recharged Long-Lasting 2333mAh High-Capacity Dual A with Fast Charger Combo for Outdoor Security Blink Cameras, Cycle Times up to 1300x

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/538498159-9v-rechargeable-lithium-batteries-high-capacity-850mah-lithium-ion-leak](https://www.desertcart.us/products/538498159-9v-rechargeable-lithium-batteries-high-capacity-850mah-lithium-ion-leak)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-16*