---
product_id: 432276
title: "EXP1233-3.3Ah 12V Battery Sealed Lead Acid, Replacement for Back-UPS ES 350, BE350E, BE350C, BE350R, BE350U, 12 Volt Rechargeable UPS Battery"
brand: "expertpower"
price: "R1051"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Expert Power"
url: https://www.desertcart.co.za/products/432276-exp1233-3-3ah-12v-battery-sealed-lead-acid-replacement-back
store_origin: ZA
region: South Africa
---

# 3.3A high current output 12V AGM sealed power Vibration-resistant durable case EXP1233-3.3Ah 12V Battery Sealed Lead Acid, Replacement for Back-UPS ES 350, BE350E, BE350C, BE350R, BE350U, 12 Volt Rechargeable UPS Battery

**Brand:** expertpower
**Price:** R1051
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your peace of mind with seamless backup energy!

## Quick Answers

- **What is this?** EXP1233-3.3Ah 12V Battery Sealed Lead Acid, Replacement for Back-UPS ES 350, BE350E, BE350C, BE350R, BE350U, 12 Volt Rechargeable UPS Battery by expertpower
- **How much does it cost?** R1051 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/432276-exp1233-3-3ah-12v-battery-sealed-lead-acid-replacement-back)

## Best For

- expertpower enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Sturdy ABS casing and vibration resistance protect your battery through shocks and storage.
- • **Extended Lifespan:** Premium materials and valve-regulated design guarantee long-term durability and shelf life.
- • **Reliable Power Backup:** AGM sealed tech delivers consistent, maintenance-free energy when you need it most.
- • **Effortless Installation:** F1 terminals ensure a secure, hassle-free fit in your APC ES 350 and compatible devices.
- • **Versatile Compatibility:** Perfect replacement for APC ES 350 series and even doubles as a lawn mower battery.

## Overview

This 12V AGM sealed replacement battery for APC Back UPS ES 350 offers 3.3 amps of reliable, maintenance-free power. Featuring vibration-resistant ABS casing and easy F1 terminal installation, it ensures durable, long-lasting performance compatible with multiple APC models and other 12V applications.

## Description

Buy Replacement Battery for APC Back UPS ES 350: 12V - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: perfect fit - Works great! Easy, cheap way to extend your UPS :)
Review: Perfect replacement - It fit, and it seems to work great in my APC power backup unit.

## Features

- AGM Sealed APC UPS Battery: Absorbent Glass Mat technology with valve-regulated, sealed construction provides high current on demand, extended service life, and safe, maintenance-free operation.
- User-Friendly: Our 12V rechargeable battery is equipped with F1 terminals for secure connections and easy installation in compatible devices and systems.
- Replacement & Compatibility: Compatible with APC power backup units, ES 350, BE350E, BE350C, BE350R, BE350U alarm, security system, and more 12 Volt battery models. Suitable as lawn mower battery.
- Durable Build: Features a sturdy ABS case and vibration-resistant design that endures shocks and long periods of storage without performance loss.
- Long Life: Built with premium materials for extended shelf life and long-term durability, with dimensions of 5.28"L x 2.64"W x 2.4"H. Total height with terminals: 2.64 inches.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B006X98A7C |
| Amperage | 3.3 Amps |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Best Sellers Rank | #64,111 in Health & Household ( See Top 100 in Health & Household ) #119 in 12V Batteries |
| Brand | ExpertPower |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,792) |
| Date First Available | January 14, 2012 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.8 pounds |
| Item model number | EXP1233 |
| Manufacturer | ExpertPower |
| Manufacturer Part Number | EXP1233 |
| Product Dimensions | 5.28 x 2.63 x 2.42 inches |
| Safety Rating | DOT Certified |
| Voltage | 12 Volts |

## Product Details

- **Battery Capacity:** 3.3
- **Battery Cell Composition:** Lead Acid
- **Brand:** ExpertPower
- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Recommended Uses For Product:** Scooters,Ups,Wheelchairs

## Images

![EXP1233-3.3Ah 12V Battery Sealed Lead Acid, Replacement for Back-UPS ES 350, BE350E, BE350C, BE350R, BE350U, 12 Volt Rechargeable UPS Battery - Image 1](https://m.media-amazon.com/images/I/51SC13CeR+L.jpg)

## Questions & Answers

**Q: Recommended charger**
A: We recommend a 12V charger specifically designed for AGM batteries. The charging current should not exceed 660mA.

**Q: What is the difference between standby and cycle use for the battery?**
A: Standby Use: The battery primarily serves as a backup power source with minimal discharge. Cycle Use: The battery undergoes frequent deep discharges and recharges.

**Q: What does "EXP" mean on the battery?**
A: The "EXP" on the battery stands for our brand name, ExpertPower. It does not indicate an expiration date.

**Q: Will this battery be compatible with my device?**
A: To ensure compatibility, please verify the battery dimensions and terminal sizes match your device's specifications before purchasing.

**Q: What is your return policy?**
A: Enjoy a 90-day refund window more on items by "ExpertPower Direct". Need help? Message us via Amazon's "Contact Seller" for prompt assistance.

## Customer Reviews

### ⭐⭐⭐⭐⭐ perfect fit
*by J***H on October 9, 2025*

Works great! Easy, cheap way to extend your UPS :)

### ⭐⭐⭐⭐⭐ Perfect replacement
*by B***C on November 9, 2025*

It fit, and it seems to work great in my APC power backup unit.

### ⭐⭐⭐⭐⭐ Great Product
*by P***N on December 6, 2025*

New battery works great.

## Frequently Bought Together

- Replacement Battery for APC Back UPS ES 350
- Mighty Max Battery ML7-12 - 12V 7.2AH Replacement UPS Battery for APC Back-UPS 550 BE550G
- AJC Battery Compatible with APC Back-UPS ES 550 8 Outlet 550VA BE550R 12V 7Ah UPS Battery

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**Shop now:** [https://www.desertcart.co.za/products/432276-exp1233-3-3ah-12v-battery-sealed-lead-acid-replacement-back](https://www.desertcart.co.za/products/432276-exp1233-3-3ah-12v-battery-sealed-lead-acid-replacement-back)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-21*