More from Buddy RC →ZTW Mantis 90A High Voltage ESC OPTO
$103.99$129.99Save 20%
In stock at buddyrc.com
The ZTW Mantis 90A High Voltage ESC OPTO is a brushless speed controller rated for 90A continuous and 120A burst on 6S to 12S LiPo. As an opto unit it has no built-in BEC, and it offers a governor mode, programmable brake, timing and cutoff, which suits larger electric planes and helis running high-voltage setups with a separate receiver supply.
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Highlights
- 90A continuous, 120A burst for 10 seconds
- High-voltage input: 6S to 12S LiPo, 18 to 38 cell Ni-XX
- Governor mode to hold motor speed under changing load
- Programmable brake, battery type, low-voltage cutoff and timing
- Protections for power-on arming, signal loss and overheating (output reduced above 110°C)
Best for
Pilots running 6S to 12S electric planes or helis who power the receiver separately.
Things to consider
- OPTO means no BEC, so you need a separate receiver power source.
- At 128g it's heavier than low-voltage ESCs of similar size.
- A programming card or tool isn't mentioned as included.
Key specs
| Price | $103.99 |
|---|---|
| Continuous / burst | 90A / 120A (10 s) |
| Input | 6 to 12S LiPo; 18 to 38 cell Ni-XX |
| BEC | None (OPTO) |
| Weight | 128g |
| Dimensions | 80 x 48 x 21mm |
Our take
A capable high-voltage ESC at a fair price. Make sure you plan for separate receiver power.
ZTW Mantis 90A High Voltage ESC OPTO at a glance
| Brand | Buddy RC |
|---|---|
| Price | $103.99 (was $129.99) |
| Type | ESC |
| Availability | In stock at buddyrc.com |
| Returns | Items can be returned within 30 days of receipt with an RMA code requested by email.… |
Price check
At $103.99, the ZTW Mantis 90A High Voltage ESC OPTO is toward the top of Buddy RC's price range, whose 4,618 listed products run $0.25 to $9,999.
It's currently 20% below its listed price of $129.99. Sale prices can end without notice, so check the live price before you order.
Frequently asked questions
Does the Mantis 90A HV have a BEC?
No. It's an OPTO ESC, so the receiver and servos need their own power supply.
Can I use it for a helicopter?
It has a governor mode designed to hold motor speed as load changes, which is commonly used for helis.
What batteries does it support?
6S to 12S LiPo, or 18 to 38 cell NiMH/NiCd. LiFe is also a programmable battery type.
Is the ZTW Mantis 90A High Voltage ESC OPTO on sale?
Yes. Buddy RC lists it at $103.99, down from $129.99 (20% off). Sale prices change, so confirm the live price on buddyrc.com.
What is Buddy RC's return policy?
Items can be returned within 30 days of receipt with an RMA code requested by email. Returns in new condition with original packaging have no restock fee; others are charged 10 to 20%, and shipping fees are not refunded.
How long does Buddy RC take to ship?
Orders placed before 2 p.m. EST usually ship the same business day from Columbus, Ohio, by USPS or UPS, with most packages arriving in 2 to 5 business days. Orders over $100 may ship free within the US, excluding most airplanes, and LiPo batteries ship only by UPS Ground.
Does the ZTW Mantis 90A High Voltage ESC OPTO come with a warranty?
Buddy RC's published warranty terms: Products older than 30 days may be exchanged under warranty but aren't eligible for a refund. Specific warranty terms aren't published in the policy text.
Where can I buy the ZTW Mantis 90A High Voltage ESC OPTO?
The ZTW Mantis 90A High Voltage ESC OPTO is sold directly by Buddy RC on buddyrc.com. The Shop now button on this page goes straight to the product there.
Is the ZTW Mantis 90A High Voltage ESC OPTO in stock?
Yes. Buddy RC lists it as in stock on buddyrc.com as of our latest check. Stock and prices refresh throughout the day.
Is Buddy RC a legit store?
Buddy RC is a strong pick for RC pilots who need specific parts, power systems or helicopter spares from a US warehouse with same-day dispatch. Skip it if you want generous returns, since shipping is never refunded and returns that aren't in new condition carry a 10 to 20% restock fee. Confirm the exact part number and motor or frame compatibility before ordering, because most of the catalog is model-specific. Our full Buddy RC review covers shipping, returns and what to check before ordering.
Is the ZTW Mantis 90A High Voltage ESC OPTO expensive?
At $103.99 it is toward the top of Buddy RC's range ($0.25 to $9,999 across 4,618 products).
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