---
product_id: 207169859
title: "ExpertPower 12V 21Ah Gel Deep Cycle Solar Battery, Sealed Gel Technology for Marine, Mobility Applications"
brand: "expertpower"
price: "S$217"
currency: SGD
in_stock: true
reviews_count: 8
category: "Expert Power"
url: https://www.desertcart.sg/products/207169859-expertpower-12v-21ah-gel-deep-cycle-solar-battery-sealed-gel
store_origin: SG
region: Singapore
---

# 12V 21Ah deep-cycle power Vibration & shock resistant Sealed gel spill-proof tech ExpertPower 12V 21Ah Gel Deep Cycle Solar Battery, Sealed Gel Technology for Marine, Mobility Applications

**Brand:** expertpower
**Price:** S$217
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your lifestyle with unstoppable energy!

## Quick Answers

- **What is this?** ExpertPower 12V 21Ah Gel Deep Cycle Solar Battery, Sealed Gel Technology for Marine, Mobility Applications by expertpower
- **How much does it cost?** S$217 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/207169859-expertpower-12v-21ah-gel-deep-cycle-solar-battery-sealed-gel)

## 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 Endure:** Impact-resistant housing withstands shocks, vibrations, and repeated discharge cycles for long-lasting performance.
- • **Plug & Play Ready:** Ships fully charged with standard M5 threaded terminals and clear polarity for effortless installation.
- • **Versatile Application:** Perfect for solar setups, marine use, mobility scooters, and any 12V deep-cycle system demanding reliability.
- • **Reliable Deep-Cycle Power:** 12 volts and 21 amp hours deliver consistent energy for solar, mobility, and backup needs.
- • **Spill-Proof Sealed Gel Design:** Advanced gel electrolyte technology ensures safe, leak-free operation and flexible mounting options.

## Overview

The ExpertPower 12V 21Ah Gel Deep Cycle Solar Battery combines sealed gel technology with a durable, impact-resistant design to provide reliable, spill-proof power for solar, marine, and mobility applications. Ready to install with standard terminals, it delivers consistent deep-cycle performance in a compact, vibration-resistant package.

## Description

Buy ExpertPower 12V 21Ah Gel Deep Cycle Solar Battery, Sealed Gel Technology for Marine, Mobility Applications: Replacement Batteries - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Exelent!! - I purchased the ExpertPower 12V 21AH Gel Deep Cycle Battery and I’m very impressed with its performance. It holds a strong charge, delivers consistent power, and works perfectly for long periods without any issues. The battery arrived well-packaged and was easy to install. For the price, the quality and durability are excellent. Highly recommended if you need a dependable deep-cycle battery.
Review: Good battery - So far so good. I use it in my 66 aloha travel trailer to run my water pump. Holds a long charge.

## Features

- Capacity & Voltage: Provides 12 volts and 21 amp hours of usable power, ideal for deep-cycle usage in solar systems, backup power, mobility devices, and other 12V applications.
- Sealed Gel Construction: The gel-electrolyte within a sealed case prevents spills and allows flexible mounting in equipment where orientation matters.
- Durable Build: Designed with an impact-resistant housing and built to handle vibration, shock, and repeated discharge cycles for long service life.
- Ready for Use: Ships ready to install and integrates easily into deep-cycle setups, with standard M5 threaded insert terminals and clear polarity. Dimensions: 7.12" x 3.03" x 6.57".
- Wide Application Scope: Suits a broad range of systems - from solar panels and renewable energy setups to mobility scooters and other 12V deep-cycle applications, where a 12V 21Ah deep-cycle battery is required.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0892VVR97 |
| Battery Cell Composition | Lead Acid |
| Battery Type | Lead Acid |
| Best Sellers Rank | #254,463 in Health & Household ( See Top 100 in Health & Household ) #852 in 12V Batteries |
| Brand | ExpertPower |
| Brand Name | ExpertPower |
| Compatible with Vehicle Type | Scooter |
| Customer Reviews | 4.2 out of 5 stars 202 Reviews |
| Item Dimensions D x W x H | 3.03"D x 7.12"W x 6.57"H |
| Item Type Name | lead_acid_battery |
| Item Weight | 13.4 pounds |
| Manufacturer | ExpertPower |
| Manufacturer Part Number | BGHFM12_21 |
| Number of Items | 1 |
| Size | 12V 21AH GEL |
| Terminal | M5 |
| UPC | 840140934502 |
| Unit Count | 1 Count |
| Vehicle Service Type | Scooter |
| Voltage | 12 volts |

## Product Details

- **Battery Cell Composition:** Lead Acid
- **Brand:** ExpertPower
- **Item Weight:** 13.4 pounds
- **Manufacturer:** ExpertPower
- **Product Dimensions:** 3.03"D x 7.12"W x 6.57"H
- **Size:** 12V 21AH GEL
- **Terminal:** M5
- **Unit Count:** 1 Count
- **Vehicle Service Type:** Scooter
- **Voltage:** 12 volts

## Images

![ExpertPower 12V 21Ah Gel Deep Cycle Solar Battery, Sealed Gel Technology for Marine, Mobility Applications - Image 1](https://m.media-amazon.com/images/I/61FssEvs+6L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Exelent!!
*by A***R on November 25, 2025*

I purchased the ExpertPower 12V 21AH Gel Deep Cycle Battery and I’m very impressed with its performance. It holds a strong charge, delivers consistent power, and works perfectly for long periods without any issues. The battery arrived well-packaged and was easy to install. For the price, the quality and durability are excellent. Highly recommended if you need a dependable deep-cycle battery.

### ⭐⭐⭐⭐⭐ Good battery
*by R***N on August 20, 2025*

So far so good. I use it in my 66 aloha travel trailer to run my water pump. Holds a long charge.

### ⭐⭐⭐⭐ Good battery
*by M***I on April 29, 2021*

good battery, i bought two, on different days, and both came with same charge and charge to near identical full capacity. removed one star because price went up nearly 25% after i purchased second battery. i was going to buy 2 more... oh well.

## Frequently Bought Together

- ExpertPower 12V 21AH Gel Deep Cycle lead acid Battery
- Attwood PowerGuard Battery Boxes Designed for Marine, RV, Camping, Solar and More
- Apowery Solar Panel Kit 30W 12V Monocrystalline,Battery Maintainer +10A Solar Charge Controller + Extension Cable with Battery Clips O-Ring Terminal for RV Marine Boat Off Grid System

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**Shop now:** [https://www.desertcart.sg/products/207169859-expertpower-12v-21ah-gel-deep-cycle-solar-battery-sealed-gel](https://www.desertcart.sg/products/207169859-expertpower-12v-21ah-gel-deep-cycle-solar-battery-sealed-gel)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-11-15*