21V Lithium Battery Charger, for 20V 21V Power Tools - Compatible with Leaf Blower, Mini Chainsaw, Hand Drills, Electric Wrenches, Screwdrivers - Fast Charging & Overload Protection.

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• [21V 20V Battery Charger Compatible Models] The Gonine DC 21V Lithium Battery Charger compatible with dc 20V 21V 21Volt Mini Chainsaw, Portable Electric Chainsaw Cordless, Small Handheld Chainsaw Pruning Shears Chainsaw, 6 Inch 2023 Upgrade Small Handheld Chain saw. Fit for Saker, for Jujubean, for SEYVUM, for DINSHARE, for VTEK Mini Chainsaw Cordless; Also Perfectly compatible with 20V/21V power tools including for Seyvum Leaf Blower, for Ohey Electric Brush Cutter, mini chainsaws, hand drills, electric wrenches, and screwdrivers. Universal design eliminates the need for multiple chargers.
• [21Volt 20Volt Lithium Battery Charger Specification:] Worldwide input voltage range: 100-240V 50/60HZ; Output: 21V. Portable electric chainsaw power cord: 3.9FT/1.2M. Charging Port: Round Jack. Size of DC Port : 5.5*2.5mm (compatible 5.5*2.1mm).
• [How to Buy the Correct Charger – Compatibility Check:] Before ordering, confirm these 3 things: ① **Voltage** – Your battery must be 20V or 21V lithium-ion (NOT 18V/24V/40V). ② **Port** – Must have a round DC jack (5.5×2.5mm or 5.5×2.1mm). ③ **Use** – Works with mini chainsaws, drills, wrenches from Saker, Jujubean, SEYVUM, DINSHARE, VTEK. **Will NOT work** with: Ni-MH/lead-acid batteries, other port types (USB-C, magnetic pins), or batteries that charge through the tool body. Check your battery label and port shape before purchase – wrong voltage or plug means no charging.
• [Easy to use:] Plug-and-play operation with LED indicators showing charging progress (red for charging, green for fully charged). No complex setup required.
• [High-Speed Charging | Safety Protection] Equipped with an intelligent chip for 30% faster charging. Automatically detects battery status to deliver optimal current, reducing downtime. Built-in overload protection, short-circuit prevention, and temperature control. Ensures safe charging without risks of overcharging or damage.