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Description
Gens Ace iMars D300 G-Tech AC 300W DC 700W Dual-Channel Battery Charger - WhiteThe iMars D300 Charger is a versatile and intelligent charger that supports both charging and discharging. As a member of G Tech Eco, Imars D300 Charger is designed specifically for the G Tech smart battery, but is also compatible with non smart batteries. When a G Tech smart battery is connected to the iMars D300 charger, the charger will automatically identify the battery type, voltage through the smart balance connector, and charging current
The iMars D300 Charger is a versatile and intelligent charger that supports both charging and discharging. As a member of G-Tech Eco, Imars D300 Charger is designed specifically for the G-Tech smart battery, but is also compatible with non-smart batteries.
When a G-Tech smart battery is connected to the iMars D300 charger, the charger will automatically identify the battery type, voltage through the smart balance connector, and charging current recommended by the battery manufacturer. For non-smart batteries, it is necessary to manually select the battery type and the required working mode to get started.
The iMars D300 Charger offers a range of features, including dual channel AC/DC smart balance charging, a small and lightweight portable design, a wide-view IPS display, and high power charging.
The charger has seven operating modes: charge, discharge, balance, storage, ExtDischarge, SyncCharging, and digital power supply. It offers simple to use and operation.
Check out all our Chargers and the rest of our Gens Ace Collection.
G-Tech Introduction Video:
Features:
- Dual Channel AC/DC Smart Balance Charger.
- Small & Lightweight Portable Design with wide-view IPS Display.
- High power charging, capable of Max 16 amp charge rates for one channel, worldwide 100V-240V voltage versatility, AC 300 Watts, DC 700 Watts.
- External discharge feature available.
- Synchronous output, 2-in-1 Fast-charging.
- Built-in DC power source for different devices.
- Controlled heat dissipation system.
- Advanced safety features, UL94-V0 Flame Retardant Grade.
- Protection of Short circuit / Over current / Overcharge / Over voltage.
- Support Gens ace G-tech smart charging.
Specifications:
- Input Voltage: AC 100-240V; DC 7-30V
- output Voltage: DC 1~30V
- Max. Input Current: DC 34A
- Max. Discharging Power: 15W*2
- Maximum Charging Power: AC 300W; DC 350W*2
- Charge Current: 0.1-16A*2
- Discharge Current: 0.1~3A*2
- Balance Current: 1.2A/Cell max*2
- Cell Balancing: 1~6S
- USB Output: 5V / 2.4A
- Display Type: 2.4 inch IPS LCD Display
- Supported Battery Chemistry: LiPo / LiHV / LiFe 1~6S; NiMH 1~16S
- Dimensions: 145x76x62 mm
- Product Net Weight: 530g
- Accessories Included: AC Input Cable / XT60-T adapter / XT60-EC5 adapter / XT60-EC3 adapter
Package Includes:
- 1 x Gens Ace iMars D300 G-Tech AC 300W DC 700W Dual-Channel Battery Charger - White
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
So good we ordered more — flawless WiFi upgrade
Size: 2 Pack, Style: Wi-Fi 7 BE5000
The TP-Link Deco BE25 (Deco 7) Dual-Band BE5000 WiFi 7 Mesh system has been an absolute game changer for our home network.
Setup was surprisingly simple, and within minutes we had strong, stable coverage throughout the entire house. Dead zones we used to struggle with are completely gone. The signal stays consistent even when moving between floors and rooms, which makes a huge difference for streaming, video calls, and smart devices.
Speed and reliability have both been noticeably improved. Everything feels faster and more responsive, especially with multiple devices connected at once. The app is also easy to use for managing settings and monitoring the network.
It worked so well that we ended up ordering more units to expand coverage even further. That really says it all—this system just works, and it works well. Highly recommended for anyone looking to upgrade their home WiFi to something truly reliable.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Plug & Play - Stable Fast Network
Size: 3 Pack, Style: Wi-Fi 7 BE5000, Size: 3 Pack, Style: Wi-Fi 7 BE5000
I replaced a previous version of these Deco mesh routers (X55)- installed my previous ones at my in laws and upgraded myself with these. It was truly plug-and-play, and I have all of them wired backhaul. The only couple things that surprised me was the size. They are much larger than they appear in the pictures. The other is the LED control. I like the previous version you cannot individually control the LEDs for these so it’s all or nothing. I upgraded the unmanaged switch at my patch panel that wires the house with 2.5gb, making sure that the backhaul on these was as possible.
By this point I’ve had them for about six months and I’ve had zero downtime. My wife and I are both professionals. I work from home and have never once had a disruption so the reliability has been perfect. All my devices were able to connect without issue and I have about 78 total wireless devices across my 4000 square-foot house.
Even my devices that control sprinkler systems in my yard connect great. Until I get about 100 yards from my house (way in the backyard).
Meaning the compatibility and range are top-notch.
My Internet speed is only 1 gb at the moment, but I wanted something more future proof since my ISP has up to 10 available.
I definitely recommend this product and actually all of the deco mesh systems.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Finally Fixed the Dead Zones in My House
Size: 3 Pack, Style: Wi-Fi 7 BE5000
I bought this after getting tired of dealing with weak Wi-Fi in certain parts of the house, and the difference was noticeable almost immediately. Setup was much easier than I expected and only took a few minutes. Before installing it, video calls would freeze, pages would take forever to load, and some devices would randomly disconnect when moving farther from the router. Since adding this mesh extender, the connection has been much more consistent and I’m getting coverage in areas that barely had a signal before. I also like that devices seem to switch between the router and extender smoothly without me having to think about it. If you're struggling with dead spots or unreliable Wi-Fi, this has been a worthwhile upgrade.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Very outdoor. Outstanding outdoor Wi-Fi — perfect companion for Starlink (even in winter!
Size: 1 Pack Outdoor, Style: Wi-Fi 7 BE5000, Size: 1 Pack Outdoor, Style: Wi-Fi 7 BE5000
I’m using this as the main router at an off-grid cabin, connected directly to a Starlink Mini, and it has been phenomenal. The coverage and stability are far better than the built-in Starlink Wi-Fi router, especially outdoors and around multiple buildings.
This unit serves as the primary node in my network, with a few Deco M5 units extending the mesh, and the handoff between them is seamless. I’m getting reliable coverage over roughly 3 acres, including around the cabin, outbuildings, and yard — something the Starlink router couldn’t come close
It’s mounted outdoors and has gone through freezing winter conditions with snow, ice, and icicles forming around it — zero issues so far. Performance hasn’t dropped, and it’s stayed rock solid.
Setup was straightforward, management through the app is easy, and once it’s running you basically forget about it — which is exactly what i want.
If you’re running Starlink at a rural property, cabin, farm, or large yard, this is an excellent upgrade and easily worth it. Strong signal, wide coverage, and dependable even in harsh conditions.
Highly recommended..!.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Great signal throughout the house and beyond
Size: 3 Pack, Style: Wi-Fi 7 BE5000
Got this set of 3 to replace the single rental EERO that the service provider put in when my mom got fiber. My biggest issue with the EERO was that the service provider set it up, meaning I had no way to control the device. Specifically, my mom is old and apt to click on scam ads or to call the number when a scam popup freezes her keyboard (thanks a lot, Zuckerberg). The only layer of protection I can give her is an adblock DNS, and to do so I need control. Also, I could not get her living room TV to connect to WiFi and signal was starting to drop off a bit in rooms farthest from that single device.
At the time of purchase, this was the most economical 3 mesh device WiFi 7 system from a well established brand. The devices are a bit bulky, but are not eye sores and seem to be very well made. The available wall mount brackets for this style router appear to be more secure than the ones for the cylindrical models, and they won't look as goofy hanging on the wall which is another plus. Mounting brackets are sold separately.
Her TV still does not connect to WiFi, so placed one of these near the TV and connected it via ethernet cable. The third is in one of the rooms farthest from the main base. The range is quite acceptable, with my phone getting full signal strength in the yard @ >50' from the house in some places.
During setup, was given the option to set up MLO WiFi, aka Multi-Link Operation, which creates a second WiFi network that may provide higher throughput than the basic WiFi connection. It is not compatible with all devices, so likely best practice to connect lower need or 'potato quality' devices to the lower throughput base network (phones, TVs, tablets, guests, etc.). The fiber speed is around 300mbps. After extensive Speed Test usage to the point that they stopped allowing me to run Speed Test, both the Base WiFi and MLO WiFi performed similarly with possibly 10-20mbps higher average via MLO. My guess is that MLO may only be truly useful for gigabit connections.
Going straight WiFi with these things doesn't add any significant latency or noticeable drop in throughput in my situation, but could be a concern in larger homes and/or when more walls/junk/metal is between mesh devices. Each of these has 2 ethernet ports, and hardwiring them together with ethernet cable will provide the strongest/fastest connection between mesh devices. The theoretical maximum reliable length is 328' (100 meters) for ethernet cable, so quality Cat6 cable could really put some distance between the main base and the 3rd mesh station (possibly with some WiFi dead spots in between). This is not unique to this system, as most mesh devices have 2 or more ethernet ports.
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Reviewed in the United States on October 8, 2025