---
product_id: 2213724
title: "Upgrade 7.4v 1800mah Battery for MJX F645 F45 RC Helicopter"
brand: "techntoys"
price: "14 Lei"
currency: RON
in_stock: false
reviews_count: 8
url: https://www.desertcart.ro/products/2213724-upgrade-7-4v-1800mah-battery-for-mjx-f645-f45-rc
store_origin: RO
region: Romania
---

# Upgrade 7.4v 1800mah Battery for MJX F645 F45 RC Helicopter

**Brand:** techntoys
**Price:** 14 Lei
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Upgrade 7.4v 1800mah Battery for MJX F645 F45 RC Helicopter by techntoys
- **How much does it cost?** 14 Lei with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/2213724-upgrade-7-4v-1800mah-battery-for-mjx-f645-f45-rc)

## Best For

- techntoys enthusiasts

## Why This Product

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

## Description



## Images

![Upgrade 7.4v 1800mah Battery for MJX F645 F45 RC Helicopter - Image 1](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51NjG51zgcL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Hands Down Excellent!
  

*by D***R on Reviewed in the United States on June 3, 2014*

Ok - so just replaced my old motor with the brushless system and was quite UnderWhelmed at the performance.Of course anythings better than a brushed motor that craps out intermittently in flight...But once I got this upgrade battery put in that birdy - WOW!I HAD been flying the F45 with a 900 mAh lithium poly with impressive performance -(lighter than the cylindrical 1500 mAh stock)as it turns out - the two old blue one's were simply WORN OUT after a year's use.So I haven't weighed these, but I'm betting they are LIGHTER than the stock Lithium Ion batteries....PERFORMANCE WAS AMAZING - This heli has NEVER flown FOR THIS LONG - not even when brand new!!!  It seems that it must have flown nearly 20 minutes! (can't tell for sure - I didn't time it)You Want To Buy THIS Battery!(Oh - and if your'e riding the fence a bout getting a BRUSHLESS motor for your F45/F645 - DO IT!It runs SO quiet and SO cool!)

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Four Stars
  

*by A***R on Reviewed in the United States on March 31, 2017*

Good to have a back up.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good battery
  

*by H***W on Reviewed in the United States on May 16, 2014*

Does what its suppose to do and lasts a little longer then the stock battery. It is slightly smaller so it may need to be strapped to the housing to keep it from shifting during flight.

---

## 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.ro/products/2213724-upgrade-7-4v-1800mah-battery-for-mjx-f645-f45-rc](https://www.desertcart.ro/products/2213724-upgrade-7-4v-1800mah-battery-for-mjx-f645-f45-rc)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-14*