Speras ZL21 charger with LED display 2 slots

Dual-Slot USB-C Charger with LED Display for Li-Ion Batteries
The Speras ZL21 Charger with LED Display 2 Slots is the ideal solution for quickly and safely charging two Li-Ion batteries simultaneously. With up to 1 A charging power per slot, it ensures efficient charging and maximum flexibility – whether at home, in the field, or on the go.
Two charging slots for more efficiency
Thanks to the two independent charging bays, you can charge two batteries in parallel. This saves time and ensures that your equipment is ready for use quickly – perfect for flashlights, thermal imaging devices, and other equipment.
USB-C connection for maximum flexibility
The modern USB-C input allows operation via power adapter, power bank, or laptop. This makes the charger particularly versatile and ideally suited for mobile applications.
LED display for clear status monitoring
The integrated LED display keeps you informed about the current charge status of the batteries at all times. This way, you have full control and know exactly when your batteries are ready for use.
Compact & lightweight
With its compact dimensions and a weight of only 50 g, the Speras ZL21 is particularly travel-friendly. It fits easily into any bag or gear and impresses with its sturdy construction.
Advantages at a Glance

Two charging slots for simultaneous charging
1 A charging power per slot
USB-C connection
LED display for charging status
Suitable for many Li-Ion formats
Compact and lightweight

Technical Data

ModelSperas ZL21
Charging Slots2 Slots
InputUSB-C
Output4.2 V / 1 A per slot
Compatible Battery Types21700, 18650, 26650, 16340, 14500 etc.
Dimensions110 × 50 × 30 mm
Weightapprox. 50 g

Scope of Delivery

Speras ZL21 Dual-Slot Charger
Quick Start Guide

FAQ
Can I charge two different battery types at the same time?

Yes, as long as they are compatible Li-ion formats, both slots can be used independently of each other.

Is the charger suitable for on-the-go use?

Yes, thanks to the USB-C connection, it can be flexibly powered by power banks or laptops.

How do I check the charging status?

The LED display shows you the current charge status at any time.