TELESIN Osmo Action 4/3 Battery Charger

Taking spare batteries on the move matters, and the TELESIN Osmo Action 4/3 battery charger case is built to make charging simpler while you travel. It combines a compact storage case with USB fast charging for DJI Osmo Action 4 and Action 3 batteries, so you can keep momentum between shoots. With a Type-C input and a small, pocket friendly form, it helps reduce downtime when you are out filming. 🔋📷

Key points

This TELESIN charger case is designed to keep your DJI Osmo Action 3 and Action 4 batteries organised and protected when you are not using them. The storage cover helps shield batteries from dust and dirt during transport or storage, and it also provides protection against scratches and damage. In day to day use, that means you spend less time worrying about whether your spares are ready.

A key benefit is that it supports convenient charging while you are on the go. The case is compact and lightweight with a storage lid, making it easier to pack into a bag for trips, commutes, or weekend outings. If you often shoot in short sessions, having charged spares nearby helps you respond quickly when the moment appears.

The charger is also presented as fully compatible for batteries DJI Osmo Action 3 and Action 4, aiming for a secure and accurate fit. That matters because a stable connection can help support consistent charging. It is designed to work alongside a USB fast charging case setup that supports charging multiple batteries at the same time.

Tech specs

Below are the practical technical details described for this TELESIN charger case for DJI Osmo Action 3 and 4 batteries.

• Type: USB fast charging case with Type-C cable
• Compatible batteries: DJI Osmo Action 3 4 original batteries
• Input type: Type-C input
• Input support: 5V 3A 9V 3A 12V 2A
• Recommended fast charge voltage: 12V 2A
• Charge time: up to 75 minutes when using 12V 2A
• Charging indicator: green light when fully charged

Benefits

Using an integrated control chip is an important part of the safety approach described for this charger case. It includes protections for overcharge, over discharge, over voltage, over current, and overheating. That kind of multi layer circuit protection is especially reassuring when you are charging while travelling. ✅

It also focuses on stability and safety through multiple circuit protection features, which can be helpful if you are plugging in frequently across different environments. The battery storage design adds a further layer of everyday usability, since it is not just a charging tool, it is also a protective container for your spares.

There is also a practical portability angle. The case is described as palm sized with a lid, so it is intended to be easy to carry when you are moving between locations. If you prioritise quick setup in the field, this format can fit into your kit without taking up much space.

One useful nuance is that the charging speed information depends on the supplied charging conditions. The described performance highlights that full charging is possible in around 75 minutes when using 12V 2A.

It’s a solid fit if you want a compact USB charging case for DJI Action 3 and 4 battery spares, especially for trips where you need both protection and quick top ups.