The Sony VTC6A is a high-performance 21700 cell with a capacity of around 4000 mAh and a continuous discharge rating of up to 25 A. It offers a balance between capacity and discharge ability, making it suitable for users who need both endurance and reliable power output.
This is an INR Li-ion cell without an internal protection circuit (unprotected). This means safety features must be managed by the mod or charger, and the battery should only be used in devices designed for unprotected cells. The nominal voltage is 3.6 V, the maximum charge voltage is 4.2 V, and the discharge cut-off is around 2.5 V. Dimensions are approximately 21.1 × 70.6 mm and the weight is about 67 g.
Contents
- 1 × Sony VTC6A 21700 battery
Features
- Type: INR / Li-ion 21700
- Capacity: approx. 4000 mAh
- Continuous discharge: 25 A
- Maximum short pulse discharge: up to around 30–35 A
- Nominal voltage: 3.6 V
- Full charge voltage: 4.2 V
- Cut-off voltage: approx. 2.5 V
- Dimensions: ~21.1 × 70.6 mm
- Weight: ~67 g
- Protection: No internal protection circuit (unprotected – requires mod/charger with safety features)
- Manufacturer: Sony / Murata
Frequently Asked Questions
How do I charge the Sony VTC6A?
Use a quality Li-ion charger with a CC/CV profile charging up to 4.2 V, with individual cell monitoring.
Is this battery safe for mods and e-cigarettes?
Yes, provided the device has built-in protections and the battery is used within its rated specifications.
How long does the battery last between charges?
This depends on the power setting. At moderate wattages it can last many hours, while at high wattages runtime will be shorter.
What is the difference between 21700 and 18650?
21700 cells offer higher capacity and energy density compared to 18650, but require mods designed to fit the larger size.
About Sony / Murata
Sony, whose battery division is now operated by Murata, is a world-leading manufacturer of lithium-ion cells. Their VTC series is highly regarded for performance, reliability and safety in high-drain applications.
