---
product_id: 39419354
title: "Educator E Collar E Collar Replacement Battery Li-Po Battery 3.7 400mAH- For ET 300/302 TX &amp; RX, 400/402 RX, 900RX, 300TS TX &amp; RX"
brand: "e collar educator"
price: "$45.72"
currency: USD
in_stock: false
category: "Misc."
url: https://www.desertcart.us/products/39419354-educator-e-collar-e-collar-replacement-battery-li-po-battery
store_origin: US
region: United States of America
---

# Educator E Collar E Collar Replacement Battery Li-Po Battery 3.7 400mAH- For ET 300/302 TX &amp; RX, 400/402 RX, 900RX, 300TS TX &amp; RX

**Brand:** e collar educator
**Price:** $45.72
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Educator E Collar E Collar Replacement Battery Li-Po Battery 3.7 400mAH- For ET 300/302 TX &amp; RX, 400/402 RX, 900RX, 300TS TX &amp; RX by e collar educator
- **How much does it cost?** $45.72 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/39419354-educator-e-collar-e-collar-replacement-battery-li-po-battery)

## Best For

- e collar educator enthusiasts

## Why This Product

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

## Description

Keep your Dog safe and yourself stress free. Educator Collars are the safest, most reliable and advanced in the world. Replacement Battery is Li-Po Battery 3.7 400mAH . It's Fall and time to refresh both your dogs collar and Battery. Replacement Battery | Li-Po Battery 3.7 400mAH; especially made for these models- ET33/302 TX & rX, 400/402 RX, 900RX, 300TS TX & RX.

## Features

- Replacement Battery | Li-Po Battery 3.7 400mAH; especially made for these models- ET33/302 TX &amp; rX, 400/402 RX, 900RX, 300TS TX &amp; RX
- Educator Collars are the safest, most reliable and advanced in the world.
- With more than 100 years dedicated to innovation and the improvement of their remote dog training collars, E-Collar Technologies provides dog owners with the most advanced and reliable, USA-manufactured remote training systems for dogs in the world - Educator Collars.
- E-Collar Technologies is the only dog shock collar manufacturer that is based in the United States, and all Educator products are fully assembled and tested right here in America to comply with the highest US quality control standards. Their best buy products boost the American economy, while providing dog owners and trainers with the best electronic dog training systems in the world.
- Advances in technology have enabled Educator Collars to offer an abundance of exceptional features, making these electric dog training collars some of the most high tech systems on the market. With exclusive features like COS (control of stimulation), "Lock and Set", the "booster" function, "Wide Pulse" static stimulation and "vibration only" mode, pet owners and professional trainers alike now have the ability to provide their dogs with the most humane and effective training available.

## Images

![Educator E Collar E Collar Replacement Battery Li-Po Battery 3.7 400mAH- For ET 300/302 TX &amp; RX, 400/402 RX, 900RX, 300TS TX &amp; RX - Image 1](https://images-na.ssl-images-amazon.com/images/I/413%2B6gssU7L.jpg)
![Educator E Collar E Collar Replacement Battery Li-Po Battery 3.7 400mAH- For ET 300/302 TX &amp; RX, 400/402 RX, 900RX, 300TS TX &amp; RX - Image 2](https://images-na.ssl-images-amazon.com/images/I/512cp8rWzRL.jpg)
![Educator E Collar E Collar Replacement Battery Li-Po Battery 3.7 400mAH- For ET 300/302 TX &amp; RX, 400/402 RX, 900RX, 300TS TX &amp; RX - Image 3](https://images-na.ssl-images-amazon.com/images/I/41JMpZrtW6L.jpg)

---

## 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.us/products/39419354-educator-e-collar-e-collar-replacement-battery-li-po-battery](https://www.desertcart.us/products/39419354-educator-e-collar-e-collar-replacement-battery-li-po-battery)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-02*