
WARNING - This product is classified as a DANGEROUS GOOD [DG] - It CANNOT be shipped overseas.
Please read our battery warranty, safety information and transit times
before purchasing.
Are you looking for some 21700 Li-Ion Batteries in Australia? You have come to the right place. Phaser FPV has got you covered!
Imren 21700 3750mAh Lithium-Ion batteries are under the radar high-quality batteries. They have 55-65% longer battery life for extended use with your instruments. But the biggest selling point is their higher durability packs compared to other brands. These are high quality batteries ever avid 18650 user should consider trying out.Specifications:
- Nominal Capacity: 3750mAh
- Nominal Voltage: 3.7V
- Maximum Voltage: 4.2V
- Discharge: 25A Max Continuous, Rated 40A Max Pulse
- Positive: Flat
- Protected: NO, UNPROTECTED
- Rechargeable: Yes
- Dimensions: 21.5mm x 70.6mm
- Weight: 73.42g
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Why Choose Phaser FPV?

Here’s Why 1000s of Buyers Trust Us
In the sky-high world of FPV drones and related products, Phaser FPV takes you higher and further – while ensuring a smooth ride every step of the way. As a human brand that puts its clients first, here are a few of the ways we keep giving our customers reasons to come back.

Same-Day Ship
If you place your order with us before 1pm weekdays, we’ll ship it out on the same day you shopped. When we make a promise, we keep it. You’ll be hard-pressed to find any Phaser order that didn’t fly out of our facility on the day it was ordered.


Transparent Stock
We keep our website updated like hawks. If you see it and it says it’s in stock, you can order it today and get it tomorrow via express shipping.

Highly Rated
We’ve spent almost a decade racking in countless 5-star reviews. Give them a read and you'll see everything we have said here is true!

Walk In Anytime
Can’t wait? Then don’t. We’re one of the only FPV drone + accessory stores to have a physical brick-and-mortar establishment in Gosford NSW Australia. You’ll get to meet one of our friendliest – and fluffiest – employees, the Phaser FPV house dog, Piper!

Tech Precision
Our handpicked team of technology experts specialize in – and are boffins on – every product we sell. This means they can answer any and all of your technical questions with confidence. Go ahead, put us to the test.

Fast Support
We welcome our customers to reach out to us via email, phone, or LIVE chat. Phaser FPV is the only FPV business to have a dedicated phone line.

Get Rewarded
Score a FREE gift on first and recurring orders, and FREE shipping on orders worth $150. We'll even upgrade you to EXPRESS on all orders over $250 (excluding heavy orders)

We’re on Social
We have nothing to hide. Follow us on social, tag @PhaserFPV, and become a part of our online community and family in our facebook group.
It’s clear to see why most of our business comes through word-of-mouth referrals. When you need the best in FPV, 3D Printing and PEV Vehicles, don’t settle for less. Demand the best – insist on Phaser FPV.