---
product_id: 587879342
title: "Tenergy 9V Lithium Batteries, 1200mah Non-Rechargeable Batteries, 10 Years Shelf Life Lithium 9 Volt Batteries, 2 Pack"
brand: "tenergy"
price: "$66"
currency: NZD
in_stock: false
reviews_count: 5
url: https://www.desertcart.nz/products/587879342-tenergy-9v-lithium-batteries-1200mah-non-rechargeable-batteries-10-years
store_origin: NZ
region: New Zealand
---

# 10-year shelf life 1200mAh high capacity -4°F to 140°F wide temp range Tenergy 9V Lithium Batteries, 1200mah Non-Rechargeable Batteries, 10 Years Shelf Life Lithium 9 Volt Batteries, 2 Pack

**Brand:** tenergy
**Price:** $66
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power your peace of mind for a decade — because your essentials deserve the best.

## Quick Answers

- **What is this?** Tenergy 9V Lithium Batteries, 1200mah Non-Rechargeable Batteries, 10 Years Shelf Life Lithium 9 Volt Batteries, 2 Pack by tenergy
- **How much does it cost?** $66 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/587879342-tenergy-9v-lithium-batteries-1200mah-non-rechargeable-batteries-10-years)

## Best For

- tenergy enthusiasts

## Why This Product

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

## Key Features

- • **Sleek Rounded Fit:** Slimmer, rounded edges ensure a perfect fit in all your 9V electronics without hassle.
- • **Built for Extremes:** Reliable performance from freezing cold to scorching heat, indoors or outdoors.
- • **Leak-Proof & UL Certified:** Protect your valuable devices with batteries tested to the highest safety standards.
- • **Power That Lasts Twice as Long:** 2.5x more runtime than standard 9V batteries keeps your devices going strong.
- • **Decade-Long Freshness Guarantee:** Ultra-low 2% annual self-discharge means these batteries stay ready for 10 years.

## Overview

Tenergy 9V Lithium Batteries deliver 1200mAh of high-capacity power with 2.5 times the runtime of traditional 9V batteries. Featuring an ultra-low 2% annual self-discharge rate, these batteries maintain peak performance for up to 10 years in storage. Their slim, rounded design fits a wide range of 9V devices, while their wide operating temperature range (-4°F to 140°F) ensures reliable use in any environment. UL certified and leak-proof, they provide safe, long-lasting power ideal for smoke detectors, wireless microphones, and emergency kits.

## Description

Tenergy 9V Lithium Batteries, 1200mah Non-Rechargeable Batteries, 10 Years Shelf Life Lithium 9 Volt Batteries, 2 Pack : desertcart.ae: Electronics

Review: The Tenergy 9V Lithium Batteries are a reliable and efficient power source for devices that demand consistent performance. With their impressive capacity, long shelf life, and wide compatibility, these batteries stand out as a top choice for both everyday and emergency needs. Key Features and Benefits: High Capacity (1200mAh): These batteries offer 1200mAh, ensuring they last longer than standard alkaline 9V batteries. Ideal for smoke detectors, wireless microphones, and other high-drain devices. 10-Year Shelf Life: With an extended shelf life of up to 10 years, these batteries are perfect for stocking up. You can count on them to work even after long storage periods. Non-Rechargeable Convenience: As non-rechargeable batteries, they’re hassle-free—no charging required. Simply replace and use. Reliable in Extreme Conditions: Designed to operate in temperatures from -4°F to 140°F, these batteries perform well in a variety of environments, making them suitable for outdoor and indoor use. Leak-Proof Design: The sturdy construction prevents leaks, protecting your devices from damage. My Experience: I bought these for my smoke detectors, and they’ve exceeded my expectations. Installing them was easy, and they’ve been running flawlessly for months without any issues. I also tested one in a wireless microphone for an event, and it provided stable power for hours. The peace of mind from their 10-year shelf life is a huge plus. Pros: High capacity for extended usage. Long shelf life makes them great for emergencies. Reliable in extreme temperatures. Leak-proof and safe for valuable devices. Well-suited for various applications. Cons: Non-rechargeable (not ideal for frequent battery users). Slightly pricier than standard alkaline batteries, but worth it for the performance. Final Thoughts: The Tenergy 9V Lithium Batteries are a smart investment for anyone seeking long-lasting and dependable power. Whether for essential devices like smoke detectors or high-demand gadgets, these batteries deliver outstanding performance. Their durability, extended shelf life, and consistent reliability make them a must-have for your home or emergency kit. Highly recommended!
Review: Tenergy is a good name with a good reputation for quality batteries. I bought the lithium instead of alkaline because I use them outside in the winter and the lithium do better in temps as low as -10 F. The price was good too.

## Features

- Longer runtime 9V - Tenergy's 2 pack 9V Lithium batteries offer 2.5 times more power than traditional 9V batteries. Provides enough power to last up to 10-years as a backup battery in ac-powered smoke detectors.
- Low self-discharge - Tenergy 9volt lithium battery features ultra-low self-discharge of only 2% a year and are date stamped for freshness. These batteries will provide power, even after 10 years in proper storage.
- Rounded fit - Tenergy's non-rechargeable batteries 9 volts is slightly slimmer with rounded edges and corners ensuring a wider fit in 9volt electronics.
- Wide temperature range - Use these batteries in your devices outdoors or inside and receive reliable power whether it's as cold as -4°F or as hot as 140°F.
- Tested and certified by UL standards. Included with every purchase is free lifetime support from our local team based in California.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0887W4985 |
| Best Sellers Rank | #30,950 in Electronics ( See Top 100 in Electronics ) #1,271 in Household Batteries & Chargers |
| Manufacturer | Tenergy |
| Manufacturer reference | ok-371 |
| Product Dimensions | 12.7 x 10.16 x 1.88 cm; 59 g |

## Product Details

- **Battery capacity:** 1200 Milliampere Hour (mAh)
- **Battery cell composition:** Lithium
- **Brand:** Tenergy
- **Number of batteries:** 2 9V batteries required. (included)
- **Recommended uses for product:** Smoke alarm

## Images

![Tenergy 9V Lithium Batteries, 1200mah Non-Rechargeable Batteries, 10 Years Shelf Life Lithium 9 Volt Batteries, 2 Pack - Image 1](https://m.media-amazon.com/images/I/71qUjql3erL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by T***R on 24 January 2025*

The Tenergy 9V Lithium Batteries are a reliable and efficient power source for devices that demand consistent performance. With their impressive capacity, long shelf life, and wide compatibility, these batteries stand out as a top choice for both everyday and emergency needs. Key Features and Benefits: High Capacity (1200mAh): These batteries offer 1200mAh, ensuring they last longer than standard alkaline 9V batteries. Ideal for smoke detectors, wireless microphones, and other high-drain devices. 10-Year Shelf Life: With an extended shelf life of up to 10 years, these batteries are perfect for stocking up. You can count on them to work even after long storage periods. Non-Rechargeable Convenience: As non-rechargeable batteries, they’re hassle-free—no charging required. Simply replace and use. Reliable in Extreme Conditions: Designed to operate in temperatures from -4°F to 140°F, these batteries perform well in a variety of environments, making them suitable for outdoor and indoor use. Leak-Proof Design: The sturdy construction prevents leaks, protecting your devices from damage. My Experience: I bought these for my smoke detectors, and they’ve exceeded my expectations. Installing them was easy, and they’ve been running flawlessly for months without any issues. I also tested one in a wireless microphone for an event, and it provided stable power for hours. The peace of mind from their 10-year shelf life is a huge plus. Pros: High capacity for extended usage. Long shelf life makes them great for emergencies. Reliable in extreme temperatures. Leak-proof and safe for valuable devices. Well-suited for various applications. Cons: Non-rechargeable (not ideal for frequent battery users). Slightly pricier than standard alkaline batteries, but worth it for the performance. Final Thoughts: The Tenergy 9V Lithium Batteries are a smart investment for anyone seeking long-lasting and dependable power. Whether for essential devices like smoke detectors or high-demand gadgets, these batteries deliver outstanding performance. Their durability, extended shelf life, and consistent reliability make them a must-have for your home or emergency kit. Highly recommended!

### ⭐⭐⭐⭐⭐ Review
*by M***I on 17 October 2025*

Tenergy is a good name with a good reputation for quality batteries. I bought the lithium instead of alkaline because I use them outside in the winter and the lithium do better in temps as low as -10 F. The price was good too.

### ⭐⭐⭐⭐⭐ Review
*by J***I on 8 November 2025*

These batteries are great for battery powered smoke detectors. The batteries last longer than other kinds of 9 volt batteries so you don't need to replace them as often. This gives better peace of mind for safety in your home.

## Frequently Bought Together

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-17*