The SPERAS ZL11 is a compact, safe, and versatile single‑cell Li‑ion battery charger designed for users needing a reliable charger for various common battery sizes. It supports batteries like 21700, 26650, 18650, 16340, and 14500, including those with protective circuits.
To help protect your batteries, the ZL11 includes a low‑voltage activation function which helps revive over‑discharged cells and guards against over‑discharge. A comprehensive multi‑protection system adds safety against overcharge, short circuits, reverse polarity, and more. With a USB input of 5V/1A, the charger is portable and convenient for charging from power banks, USB adapters, or computers.
Small in size and weighing only 36.8 g, it’s easy to carry alongside your lighting gear. It’s perfect for flashlight enthusiasts, outdoor users, and anyone needing a reliable charger for Li‑ion batteries.
Key Features:
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Compatible with many Li‑ion cell sizes: 21700, 26650, 18650, 16340, 14500
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Supports protected 21700 battery types
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Low‑voltage activation function to recover cells
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Multi‑protection: overcharge, short circuit, reverse polarity, etc.
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USB input 5V/1A — works with USB power sources
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Compact and lightweight for portability
Specifications Table:
| Specification |
Details |
| USB Input |
5V / 1A |
| DC Output |
4.2V / 1A |
| Compatible Batteries |
21700 / 26650 / 18650 / 16340 / 14500 Li‑ion |
| Dimension (L × W × H) |
111.42 × 36 × 30 mm |
| Weight (net) |
36.8 g |
| Protection Features |
Overcharge, reverse polarity, short circuit, etc. |
| Included in Box |
Charger, USB cable |
