Junsi iCharger 4512 Duo DC Dual Port LiPo/Life/NiMH/NiCD Battery Charger (12S/45A/2800w)

Charger Overview:

This is the iCharger 4512 Duo Dual Port LiPo/Life/NiMH/NiCD Battery Charger from Junsi, a cutting-edge charger engineered for exceptional performance. With an outstanding 45A charge rate and a total output of 2800W, this charger represents a significant upgrade from its predecessor, the 4010Duo. Equipped with upgraded connections on both input and output, it effortlessly handles higher current levels. The charger features open-port style balance connections, eliminating the need for separate balance boards, along with a sleek IPS display, enhanced temperature ports, and a USB-C fast-charge port.

Features:

• High Charge Rate offers a remarkable 45A charge rate and a total output of 2800W for efficient charging.
• Dual Port Design allows simultaneous charging of batteries with different cell counts at up to 45A per channel.
• Upgraded connections on input and output for seamless handling of higher current levels.
• Innovative Balance Connections feature an open-port style balance connection, eliminating the need for separate balance boards.
• USB-C Fast-Charge Port for fast charging convenience.

Specifications:

• Dimensions:210x140x80mm
• Weight:1530g
• Charge Power (Max):2800W (2000W per channel)
• Charge Current Range:0.1-45A per channel (80A in sync mode)
• Discharge (Max):200W (130W per channel)
• External Discharge (Max):2800W (2000W per channel)
• Regenerative Discharge (Max):2800W (2000W per channel)
• Balance Current:2A per channel
• Maximum Output Voltage:40V DC
• Input Voltage:11-53V DC
• Input Current Limit:80A
• Supported Battery Types:LiPo, LiHV, Li-Ion, LiFe, LTO, NiZn, NiMH, NiCd, Pb
• USB Charge:Type-C Charge Port: 5V/3A, 9V/2A, 12V/1.5A

Includes:

• (1) iCharger 4512 Duo Dual Port LiPo/Life/NiMH/NiCD Battery Charger
• (1) EC8 Power Lead
• (2) XT90 Plugs

This product was added to our catalog on March 11, 2024

Reviewer Verified Owner Monday, Sep 15 2025 (2 weeks ago) Junsi iCharger 4512 Duo DC Dual Port LiPo/Life/NiMH/NiCD Battery Charger The iCharger 4512 Duo isn’t just a charger—it’s the holy grail of power management, engineered for those of us who demand absolute precision, reliability, and headroom. From the moment you unbox it, the build quality exudes luxury engineering. The brushed finish, crisp display, and tactile menu interface feel like a piece of elite professional equipment, not just another hobby charger.
Performance? Unreal. With 45A per channe and 2800 W, it laughs at the limitations of ordinary chargers. Whether I’m charging high-capacity packs for 1/5-scale XRT 8S beast or carefully balancing cells for speed bashing or race bashing the efficiency it delivers smooth, cool, and consistent power every single time. The fan is smart and unintrusive, the UI feels intuitive yet pro-grade, and the adjustability is endless. It’s the difference between “good enough” and “perfection.”
This isn’t just a charger—it’s a future-proof investment. Pairing it with a serious Mean well 2000-12-83A power supply unlocks performance that feels almost military-grade. For the few who understand what uncompromising quality feels like, the 4512 Duo is the final stop. It’s not hype—it’s simply the best.
If you want your charging setup to feel as refined and commanding as your high-end builds, this is it. Nothing else comes close. it pays for itself for the fact that it’s future proofing for the next 10+ years. Ted Berry Verified Owner Friday, Mar 14 2025 (7 months ago) Junsi iCharger 4512 Duo DC Dual Port LiPo/Life/NiMH/NiCD Battery Charger I love this charger and all the features it provides. I like that I can use the regenerative discharge to cycle my packs ,and to get them to storage faster. Highly recommend the charger for anyone in the market for one. View all reviews