---
product_id: 539310080
title: "2 Pack 3.6V 2400mAh TL-5903 3.6V AA Lithium Battery for SL-360 ER14500 ER14505 S7-400 6ES7971-0BA00 with Plug"
brand: "stepmax"
price: "S$42"
currency: SGD
in_stock: true
category: "Stepmax"
url: https://www.desertcart.sg/products/539310080-2-pack-3-6v-2400mah-tl-5903-3-6v-aa
store_origin: SG
region: Singapore
---

# 3.6V stable voltage 2400mAh high capacity Extreme temp resistant 2 Pack 3.6V 2400mAh TL-5903 3.6V AA Lithium Battery for SL-360 ER14500 ER14505 S7-400 6ES7971-0BA00 with Plug

**Brand:** stepmax
**Price:** S$42
**Availability:** ✅ In Stock

## Summary

> 🔋 Power that lasts a decade — because your tech deserves the best.

## Quick Answers

- **What is this?** 2 Pack 3.6V 2400mAh TL-5903 3.6V AA Lithium Battery for SL-360 ER14500 ER14505 S7-400 6ES7971-0BA00 with Plug by stepmax
- **How much does it cost?** S$42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/539310080-2-pack-3-6v-2400mah-tl-5903-3-6v-aa)

## Best For

- stepmax enthusiasts

## Why This Product

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

## Key Features

- • **Built for Extremes:** Operates flawlessly from freezing cold to scorching heat.
- • **Safe & Secure Energy:** Explosion-proof tech ensures peace of mind in every use.
- • **Consistent Performance:** Stable current delivery for uninterrupted device operation.
- • **Versatile Compatibility:** Perfect for meters, alarms, clocks, and critical electronics.
- • **Decade-Long Power Reliability:** 10-year shelf life means your devices stay ready when you are.

## Overview

The TL-5903 is a 3.6V AA lithium battery with a robust 2400mAh capacity, engineered for long-term micro-current applications. Featuring explosion-proof safety, extreme temperature tolerance, and a low self-discharge rate, it guarantees up to 10 years of reliable shelf life. Ideal for water meters, gas meters, alarms, and real-time clocks, this non-rechargeable battery ensures stable and consistent power for critical devices.

## Description

Parameter: Model:TL-5903 Capacity:2400mAh Voltage: 3.6V Size: 50*14mm Feature: 1. Stable working voltage and good safety. 2. Low self-discharge rate gives this cell a 10 year shelf life. 3. High energy, high reliability. Suitable for water meter, gas meter, calorimeter, real-time clock, alarm system, ETC equipment , etc.

## Features

- 【Model】: TL-5903;Capacity:2400mah,Voltage: 3.6V.
- 【Features】：1.High temperature and low temperature resistance.2.Use explosion-proof technology and safe to use.3.Stable current.4.Suitable for long-term micro-current work,and storage life of up to 10 years.
- 【Package】:2 x TL-5903 AA PLC Lithium Battery.
- 【Application Scope】:Suitable for water meter, gas meter, calorimeter, real-time clock, alarm system, ETC equipment , etc.
- 【NOTE】:Non-rechargeable .

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BLCJ2YLK |
| Antenna Location | Clock |
| Battery Capacity | 2400 Milliamp Hours |
| Battery Cell Composition | Lithium |
| Battery Cell Type | Lithium |
| Best Sellers Rank | #542,398 in Health & Household ( See Top 100 in Health & Household ) #1,594 in AA Batteries |
| Brand | STEPMAX |
| Manufacturer | STEPMAX |
| Model Name | TL 5903 |
| Model Number | TL 5903 |
| Recommended Uses For Product | Clock |
| Reusability | Single Use |
| Voltage | 3.6 Volts |

## Product Details

- **Battery Capacity:** 2400 Milliamp Hours
- **Battery Cell Composition:** Lithium
- **Brand:** STEPMAX
- **Recommended Uses For Product:** Clock
- **Voltage:** 3.6 Volts

## Images

![2 Pack 3.6V 2400mAh TL-5903 3.6V AA Lithium Battery for SL-360 ER14500 ER14505 S7-400 6ES7971-0BA00 with Plug - Image 1](https://m.media-amazon.com/images/I/61HefgTMTnL.jpg)

## Frequently Bought Together

- STEPMAX (2 Pack 3.6V 2400mAh TL-5903 3.6V AA Lithium Battery for Tadiran TL-5903 SL-360 ER14500 ER14505 S7-400 6ES7971-0BA00 with Plug
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**Shop now:** [https://www.desertcart.sg/products/539310080-2-pack-3-6v-2400mah-tl-5903-3-6v-aa](https://www.desertcart.sg/products/539310080-2-pack-3-6v-2400mah-tl-5903-3-6v-aa)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-07-07*