Question 1

Q: What types of batteries are compatible with the Gens Ace iMars D300 G-Tech Charger?

Accepted Answer

A: The D300 supports a wide range of battery types, including LiPo, LiHV, LiFe, Lilon (1–6S), NiMH/NiCd (1–15 cells), and Pb (2–20V) batteries. It also features G-Tech smart battery recognition when used with compatible G-Tech batteries for automatic parameter setup, ensuring a safer and easier charging experience.

Question 2

Q: Can I charge two batteries at the same time using both channels?

Accepted Answer

A: Yes, the iMars D300 is a dual-channel charger, meaning it can independently charge two batteries at once. Each channel supports up to 350W when using DC input (for a total of 700W) or 150W per channel when using AC input (total 300W), making it ideal for hobbyists who need efficient, simultaneous charging.

Question 3

Q: Is the Gens ace iMars D300 a good charger for FPV pilots who want one unit for both home and field use?

Accepted Answer

A: Yes. Its AC and DC input support is one of its biggest advantages, because it works both from wall power at home and from a DC source in the field.

Question 4

Q: Is the iMars D300 mainly for G-Tech smart batteries, or can it also handle regular packs well?

Accepted Answer

A: It is especially convenient with G-Tech smart batteries, but it also works well with regular non-smart batteries, so it is not limited to one battery ecosystem.

Question 5

Q: Is this charger more about convenience or about raw charging power?

Accepted Answer

A: It offers both, but its biggest appeal is combining real charging power with a very user-friendly workflow, especially if you use G-Tech batteries.

Question 6

Q: Is this charger suitable for beginners, or is it more for experienced RC users?

Accepted Answer

A: It suits both. Beginners benefit from the smart battery workflow and simple screen interface, while experienced users benefit from dual-channel AC/DC flexibility and higher output.

Question 7

Q: Does the iMars D300 make sense if I want one charger for FPV, RC cars, and other hobby batteries?

Accepted Answer

A: Yes. Its support for multiple chemistries and 1-6S balancing makes it practical for users with mixed RC hobbies, not just FPV drones.

Question 8

Q: Is this charger a good option if I want a compact desk charger instead of a large workshop unit?

Accepted Answer

A: Yes. Its relatively compact footprint and built-in AC capability make it appealing for users who want a capable charger without moving to a much larger bench setup.

Question 9

Q: Does the iMars D300 make sense if I want fewer cables and less setup hassle?

Accepted Answer

A: Yes. Especially with G-Tech batteries, the plug-and-charge workflow reduces setup steps and makes routine charging faster and easier.

Question 10

Q: What power difference should I expect between AC and DC use?

Accepted Answer

A: Public product pages consistently list up to 300W total on AC and up to 700W total on DC, so DC input is the better choice if you want maximum output.

Question 11

Q: Does the iMars D300 have storage, balance, and discharge functions?

Accepted Answer

A: Yes. Public product pages consistently list seven modes, including charge, discharge, balance, storage, external discharge, synchronous charging, and digital power supply.

Question 12

Q: What display and interface does the charger use?

Accepted Answer

A: It uses a 2.4-inch IPS display, which helps make menus and charging data easier to read than on very basic chargers.

Question 13

Q: Why might I not reach the charger’s full advertised power in real use?

Accepted Answer

A: Real output depends heavily on whether you are using AC or DC input, the battery voltage, and how the two channels are being used. The charger can only deliver its full potential when the input side supports it.

Question 14

Q: What should I check before buying the iMars D300?

Accepted Answer

A: First decide whether you need dual-channel charging, then check whether you want AC convenience, DC high-power capability, or both, and finally confirm that its supported battery types match your packs.

Question 15

Q: Who is the Gens ace iMars D300 best for?

Accepted Answer

A: It is best for RC users who want a compact dual-channel AC/DC charger with smart-battery convenience, broad battery compatibility, and enough power for regular FPV and general RC charging.

Technical Specification	Gens ace iMars D300 G-Tech	HOTA F6 Quad Channel	Pilot Advantage & Selection
Input Power Compatibility	Dual AC/DC (AC 100–240V / DC 7–30V)	DC Only (10.5V–30V, XT60/XT90)	iMars D300 plugs straight into household AC; HOTA F6 requires a dedicated DC power supply.
Number of Channels	2 Independent Channels (Dual Output)	4 Independent Channels (Quad Output)	HOTA F6 charges 4 packs simultaneously without needing parallel boards.
Max Charging Output	AC: 300W Total \| DC: 350W × 2 (700W Total)	DC: 250W × 4 (1000W Total / 500W × 2 Sync)	HOTA F6 delivers 1000W total DC power; iMars D300 provides integrated 300W AC flexibility.
Max Charge Current	Up to 16.0A per channel	Up to 15.0A per channel (22A combined)	Both deliver ample current headroom for 1C–3C fast charging on standard 6S packs.
Balance Current Rating	1200mA (1.2A) per cell	1000mA (1.0A) per cell	iMars D300 offers slightly faster final balance equalization on mismatched cells.
Smart Features & Extra Ports	G-Tech Smart Battery Auto-Detection, USB 5V/2.4A	USB-C 45W Fast Charging, Servo Tester Function	iMars features G-Tech plug-and-charge; HOTA F6 provides 45W USB-C and RC servo testing.
Dimensions & Weight	145 × 76 × 62 mm / ~530g	115 × 121 × 46 mm / ~475g	HOTA F6 is lighter and more compact despite featuring 4 full charging channels.

Tattu Gens ace iMars D300 G-Tech Channel AC/DC 300W/700W RC Battery Charger Black

Dual High-Power Channels – 300W Each

Smart Plug-and-Charge with G-Tech

Safe and Durable Design

● Input Voltage: AC 100-240V; DC 7-30V

● Output Voltage: DC 1~30V

● Max. Input Current: DC 34A

● Max. Discharging Power: 15W*2

● Max. 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: 145mm x 76mm x 62mm

● Product Net Weight: 530g

● Accessories Included: AC Input Cable / XT60-T Adapter / XT60-EC5 Adapter / XT60-EC3 Adapter

Buyer’s Guide: Tattu Gens ace iMars D300 G-Tech Smart Charger

Pilot Flight Impressions

Recommended Ecosystem & Hardware Pairings

● FPV & Cinematic LiPo Batteries:

● Freestyle 6S Packs: Tattu R-Line V5.0 1400mAh / 1800mAh 6S, Boslipo P7 1750mAh 150C 6S.

● Micro 3S–6S Packs: Tattu R-Line V5.0 850mAh 6S, Boslipo P7 850mAh 95C, Gaoneng GNB 850mAh 5S HV.

● Smart Ecosystem: Tattu & Gens ace G-Tech enabled smart LiPo/LiHV packs with integrated balance chips.

● Parallel Boards & Adapters: 2S–6S Safe Parallel Charging Boards with XT60/XT30 inputs and factory adapter leads (XT60-T / EC5 / EC3).

● Field DC Power Source: 12V–24V Deep-cycle field battery or a high-capacity 6S Li-Ion pack.

Gens ace iMars D300 vs. HOTA F6 Quad Channel

Selection Summary

Recommended Parts

● Boslipo P7 Version 2200mAh 95C 3/4/6S FPV Battery

Recommendation：

More expert advice