Description
Gens Ace iMars D300 Dual Channel AC/DC 300W / 700W RC Battery Charger (G-Tech)
A powerful, flexible dual-channel charger for LiPo, NiMH, and G-Tech smart batteries
The Gens Ace iMars D300 is a high-performance dual-channel charger designed for hobbyists and serious RC users who need reliable, fast, and flexible battery charging.
With 300W AC charging, up to 700W on DC, and 16A per channel, it’s ideal for charging multiple batteries at home or in the field — whether you're flying FPV, racing RC cars, or running planes and helicopters.
Important Note
If stock is unavailable for this product consider the HOTA D6 Pro HERE
Who Is This Charger For?
FPV Pilots
Charge multiple LiPo packs quickly and efficiently between sessions. Perfect for freestyle, racing, and long flying days.
RC Car & Surface Users
Dual-channel charging lets you run and recharge packs back-to-back without downtime.
RC Planes & Helicopters
Supports a wide range of battery chemistries, making it ideal for mixed fleets.
G-Tech Smart Battery Users
Automatic battery detection simplifies charging — plug in and go without manual setup.
Field & Workshop Use
Use AC power at home or DC input in the field, plus power supply mode for bench setups.
Why Choose the iMars D300?
Dual Channel Charging
Charge two batteries simultaneously with independent control — save time and keep flying longer.
AC & DC Input Flexibility
- 300W on AC (home charging)
- Up to 700W on DC (field charging with external power)
One charger for both workshop and field use.
Smart G-Tech Integration
Automatically detects G-Tech batteries and applies optimal charging settings — no guesswork required.
Wide Battery Compatibility
Supports:
- LiPo / LiHV / LiFe (1–6S)
- NiMH / NiCd (1–16S)
Power Supply Mode
Use the charger as a DC power supply for:
- Electronics testing
- FPV gear
- Bench setups
iMars D300 vs Standard Chargers
Dual Channel vs Single Channel Chargers
|
Feature |
iMars D300 |
Basic Chargers |
|
Charging Ports |
2 (independent) |
1 |
|
Efficiency |
High |
Lower |
|
Workflow |
Charge multiple packs |
One at a time |
|
Best For |
Frequent use / multiple batteries |
Casual users |
AC/DC Charger vs AC-Only Chargers
|
Feature |
iMars D300 |
AC-Only Chargers |
|
Home Use |
Yes |
Yes |
|
Field Use |
Yes (DC input) |
No |
|
Flexibility |
High |
Limited |
Smart Charging vs Manual Charging
|
Feature |
iMars D300 (G-Tech) |
Standard Chargers |
|
Setup |
Automatic (G-Tech) |
Manual |
|
Ease of Use |
Easy |
Moderate |
|
Safety |
Optimised profiles |
User dependent |
Use Cases
Charging FPV LiPo Batteries
Quickly charge multiple packs between flights with consistent, reliable performance.
RC Track or Field Charging
Use DC input with a power source to charge batteries on-site without needing mains power.
Workshop Power Supply
Run electronics, test gear, or power FPV setups using the built-in DC power mode.
Mixed Battery Fleets
Charge different battery types across multiple devices with one charger.
Key Features
- Dual independent charging channels
- 300W AC / up to 700W DC output
- Up to 16A charging per channel
- 2.4” IPS colour display
- 7 operating modes
- G-Tech smart battery support
- Supports LiPo, LiHV, LiFe, NiMH, NiCd
- Power supply mode
- RCM compliant for Australia
Specifications
- AC Input: 100–240V
- DC Input: 7–30V
- Charge Power: 300W (AC), up to 700W (DC)
- Charge Current: up to 16A per channel
- Supported Batteries:
- LiPo / LiHV / LiFe (1–6S)
- NiMH / NiCd (1–16S)
- output Voltage: DC 1~30V
- Max. Input Current: DC 34A
- Max. Discharging Power: 15W*2
- Maximum Charging Power: AC 300W; DC 350W*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
- Dimensions: 145x76x62 mm
- Product Net Weight: 530g
- Accessories Included: AC Input Cable / XT60-T adapter / XT60-EC5 adapter / XT60-EC3 adapter
What You May Need
- Compatible LiPo batteries (1–6S)
- DC power source for maximum output (field use)
- Charging leads and connectors suited to your batteries
Not sure what you need? Our team can help you choose the right setup.
Why Buy From NextFPV?
- Australian stock – shipped from our Sydney warehouse
- Fast dispatch on in-stock items
- Trusted by FPV and RC enthusiasts
- Local support and advice
Frequently Asked Questions
Can the iMars D300 charge non-G-Tech batteries?
Yes — it supports standard LiPo, LiHV, LiFe, NiMH, and NiCd batteries.
What is the benefit of G-Tech smart charging?
G-Tech batteries are automatically detected, allowing the charger to apply optimal settings without manual input.
Can I use this charger in the field?
Yes — it supports DC input, making it suitable for field charging with an external power source.
What is the difference between AC and DC charging power?
AC (wall power) provides up to 300W, while DC input allows higher output (up to 700W) depending on your power source.
Can this charger be used as a power supply?
Yes — it includes a DC power supply mode for running or testing electronics.
Is this suitable for beginners?
Yes — especially with G-Tech batteries, which simplify the charging process.
Final Verdict
If you want a reliable, dual-channel charger with AC/DC flexibility, smart battery support, and strong performance, the Gens Ace iMars D300 is one of the best all-round options available.