---
product_id: 396307779
title: "- 14.6V 20A LiFePO4 Battery Charger, 2-Stage Automatic Smart Battery Charger and Maintenance, LiFePO4 Lithium Batteries Charger, Suitable for 12V (12.8V) Lipo Lithium Iron Phosphate Battery"
brand: "power queen"
price: "$281"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/396307779-14-6v-20a-lifepo4-battery-charger-2-stage-automatic-smart
store_origin: NZ
region: New Zealand
---

# 20A high-speed charging Active cooling system Multi-layer safety protections - 14.6V 20A LiFePO4 Battery Charger, 2-Stage Automatic Smart Battery Charger and Maintenance, LiFePO4 Lithium Batteries Charger, Suitable for 12V (12.8V) Lipo Lithium Iron Phosphate Battery

**Brand:** power queen
**Price:** $281
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up smarter, faster, and safer with Power Queen!

## Quick Answers

- **What is this?** - 14.6V 20A LiFePO4 Battery Charger, 2-Stage Automatic Smart Battery Charger and Maintenance, LiFePO4 Lithium Batteries Charger, Suitable for 12V (12.8V) Lipo Lithium Iron Phosphate Battery by power queen
- **How much does it cost?** $281 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/396307779-14-6v-20a-lifepo4-battery-charger-2-stage-automatic-smart)

## Best For

- power queen enthusiasts

## Why This Product

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

## Key Features

- • **0V Battery Revival:** Unique pre-charge function reactivates deeply discharged batteries others can’t touch.
- • **Rapid 20A Charging Power:** Charge your 12V LiFePO4 battery fully in just 5 hours—leave slow chargers in the dust.
- • **Comprehensive Safety Suite:** Over-temperature, short-circuit, reverse polarity, and over-voltage protections keep you worry-free.
- • **Durable Aluminum Alloy Build:** Sleek, oxidation-resistant casing with built-in cooling fan ensures long-lasting, reliable performance.
- • **Smart 2-Stage CC/CV Algorithm:** Optimized charging that intelligently adapts to battery needs for maximum lifespan and efficiency.

## Overview

The Power Queen 14.6V 20A LiFePO4 Battery Charger is a premium smart charger designed specifically for 12.8V LiFePO4 batteries. Featuring a rapid 20A charging current and a 2-stage constant current/constant voltage algorithm, it fully charges a 100Ah battery in just 5 hours. Built with multiple safety protections and a cooling fan housed in a durable aluminum alloy case, it ensures efficient, safe, and long-lasting battery maintenance—even reactivating deeply discharged 0V batteries.

## Description

Power Queen 14.6V 20A LiFePO4 Battery Charger, 2-Stage Automatic Smart Battery Charger and Maintenance, LiFePO4 Lithium Batteries Charger, Suitable for 12V (12.8V) Lipo Lithium Iron Phosphate Battery

## Features

- 【SPECIFICALLY DESIGNED FOR LIFEPO4 BATTERY】Power Queen 14.6V 20A LiFePO4 lithium batteries smart charger is uniquely designed for 12.8V LiFePO4 batteries, implementing the special 2-stage constant current/constant voltage (CC/CV) charge algorithm with smart LED indicators. This charger has a specific Pre-Charge function, which is designed to activate all types of BMS by allowing current into lithium batteries reading from down to 0V.
- 【MULTIPLE PROTECTION】Power Queen 14.6V 20A LiFePO4 lithium batteries charger has multiple protection, such as over-temperature protection, output short-circuit protection, reverse polarity connection protection, and output over-voltage protection to prevent damage from faulty operation.
- 【HIGH-EFFICIENCY CHARGING】With a constant current of 20A and a constant voltage around 14.6V, it’s Ideal for LiFePO4 batteries 20 amp hours and above. Only needs 5 hours of fast charging time to fully charge a 12V 100Ah LiFePO4 battery compared with 3 amps multi-charger which needs 33 hours to fully charge a 100Ah battery.
- 【12V LiFePO4 CHARGER】Power Queen Smart LiFePO4 charger designed for 12V (12.8V) LiFePO4 batteries. Our charger supports 0V charging function to reactivate 0V battery. Charging Specs: 14.6V | Charging Current: 20A | Rated Input Voltage: 100V-240V AC; 50Hz to 60Hz.
- 【PREMIUM QUALITY】Our LiFePO4 lithium batteries charger is made of aluminum alloy with surface oxidation treatment, high hardness, anti-oxidation, the built-in cooling fan keeps the charger itself cool. Heat dissipations protect your charger and battery. It’s safe in charging.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Power Queen |
| Brand | power queen |
| Item Weight | 2.97 pounds |
| Product Dimensions | 10.24 x 7.09 x 2.17 inches |
| Item model number | 14.6V20A |
| Manufacturer Part Number | 14.6V20A |
| Amperage | 20 Amps |

## Product Details

- **Brand:** power queen
- **Color:** Black, Red
- **Product Dimensions:** 7"D x 10"W x 2"H
- **Item Weight:** 1.35 Kilograms
- **Output Voltage:** 14.6 Volts

## Images

![- 14.6V 20A LiFePO4 Battery Charger, 2-Stage Automatic Smart Battery Charger and Maintenance, LiFePO4 Lithium Batteries Charger, Suitable for 12V (12.8V) Lipo Lithium Iron Phosphate Battery - Image 1](https://m.media-amazon.com/images/I/71ZiIbyv8yL.jpg)

## Questions & Answers

**Q: Can i charge two 200ah at a time or do i need 2 chargers?**
A: You can charge the 12V 400Ah battery system built with two 12V 200Ah batteries in parallel from a 14.6V 20A charger.

**Q: After fully charge the battery, can I keep the charger plug in to maintain the battery capacity for backup sump pump.**
A: We recommend you unplug the charger from the outlet after the battery is fully charged, it will be better for the lifetime and performance of the battery.

**Q: Will the charger automatically turn off charging below 0℃ to protect the battery?**
A: This charger does not have the function of automatic shutdown below 0℃.

**Q: Can this charge a 12.8V 50Ah battery?**
A: Yes. it could be used to charge the 12.8V 50Ah battery.

## Frequently Bought Together

- Power Queen 14.6V 20A LiFePO4 Battery Charger, 2-Stage Automatic Smart Battery Charger and Maintenance, LiFePO4 Lithium Batteries Charger, Suitable for 12V (12.8V) Lipo Lithium Iron Phosphate Battery
- Power Queen 12V 100Ah LiFePO4 Battery BCI Group 24 Lithium Battery, Deep Cycle Battery with 100A BMS, 1280Wh, Up to 15000 Cycles & 10-Year Lifespan for Trailer RV, Motor Home, Marine

---

## 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.nz/products/396307779-14-6v-20a-lifepo4-battery-charger-2-stage-automatic-smart](https://www.desertcart.nz/products/396307779-14-6v-20a-lifepo4-battery-charger-2-stage-automatic-smart)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-24*