1 4

Estry

Battery for Aetertek AT-211 mini AT-215 AT-216 AT-218 AT-219 AT-216S AT-216W T-918 AT-918C Transmitter AT-919C Transmitter

Battery for Aetertek AT-211 mini AT-215 AT-216 AT-218 AT-219 AT-216S AT-216W T-918 AT-918C Transmitter AT-919C Transmitter

$21.99 USD
$0.00 USD $21.99 USD
Sale Sold out
Shipping calculated at checkout.
Title
12-Month Warranty30-Day Easy ReturnsShips from US in 48hUN38.3 & ISO9001 Certified

This is a 500mAh 7.4V Li-Polymer replacement battery for Aetertek AT-211 mini, AT-215 and more.

Battery Specifications

Type: Li-Polymer
Weight: 48.0g
Dimension: 48.0*22.5*12.0mm
Category: Dog Collar
Voltage: 7.4V
Rate: 3.70Wh

Compatible Brand

  • Aetertek

Compatible Model

  • AT-211 mini
  • AT-215
  • AT-216
  • AT-218
  • AT-219
  • AT-216S
  • AT-216W
  • T-918
  • AT-918C Transmitter
  • AT-919C Transmitter

âš  Safety Warnings

  • Do not disassemble, puncture or modify the battery.
  • Never short-circuit the terminals or expose to heat / fire.
  • Do not mix with different batteries or chargers.
  • Recycle used batteries at designated collection points.

Why Choose Estry

✓ Grade A Cells — Premium cells with stable discharge and low self-discharge.
✓ Real Capacity — Capacity tested to match or exceed the original battery.
✓ Strict QC — Every battery passes charging/discharging and safety checks.
UN38.3 tested for safe transport. MSDS available upon request. Manufactured in an ISO9001 certified facility.

FAQ

How do I confirm this battery fits my device?

Match your device against the Compatible Model list above, or compare the part number printed on your original battery. Still unsure? Email us with your battery details or photos and we will help you confirm.

What is the warranty policy?

This battery is covered by a 12-month warranty against manufacturing defects, plus 30-day easy returns for peace of mind.

How fast will my order arrive?

In-stock orders ship from our US warehouse within 48 hours on business days.

View full details