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Whats New > Onboard Electronics > Voltage Monitors
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MAMA Miliamp Monitor for A123 With Remote LED

Designed in conjunction with Dave Thacker at Radical RC, the MAMA is the most inovative way to keep track of your 2S A123 RX packs ever produced. MAMA actually measures the Mili-Amp Hours you add and remove from your A123 RX pack both ways. It gives you a visual indication of where your at in the capacity of the pack as your using it in the form of a blink code. At last, a real fuel gauge! This version of the MAMA Includes the remote led feature. Mount on outer surface or on dash to read out blink code. This version omits the throttle blip alert functionality.

All green blinks is A-OK, green with some blanks means we''''ve used a little, green with a few some red blinks means we are getting close to needing to recharge. If you see more red than green blinks we''''ve droped below 40% remaining capacity and it''''s time to recharge pronto. Intermitant red or solid red blinks is well into the danger zone. A handy chart and field box card is included to remind you of the simple pattern.

Simply perform a charge/discharge cycle and MAMA learns the capacity of your battery. MAMA delivers blink codes to represent the remaining capacity of your pack based on what you''''ve actually used out of it. Any capacity LIFE (A123) 2S pack may be connected to MAMA. Your charge/discharge cycle allows MAMA to calibrate to your pack. Even if it''''s a veteran 2300mah pack with only 1900mah capacity remaining, she figures it correctly. It''s even ok to put a short charge into the pack that does not fill it completely. MAMA has seen this trick before and will give accurate readings anyway.

Optionally, you can run your throttle servo connection through the MAMA and she will give you quick throttle blips if you ever drop down below 30% remaining capacity. The blips are brief so that even if your in a climb out or other critical manouvre you get an opportunity to return under control for recharge.

This unit can be used with either Futaba/JR/Spektrum or any ohter universal connector. Includes optional remote LED and thorttle features. (Use of warning throttle blip feature not required for proper function of MAMA.)

Specifications:
Constant Current Limit: 10 amps
Intermitant Current Limit: 20 amps
Current Draw In Use: 5ma
Current Draw At Idle: <100ua (1 million uah per amp hour)
(time to run down full 2300mah pack at rest is 10k hours. Months of rest is safe.)
Size: 2.05" x 1.10"
Weight: 12 grams

SKU Number: SLKMA0010
Price: $37.95 
Quantity:   



MAMA Miliamp Monitor for A123 With Remote LED & Throttle

Designed in conjunction with Dave Thacker at Radical RC, the MAMA is the most inovative way to keep track of your 2S A123 RX packs ever produced. MAMA actually measures the Mili-Amp Hours you add and remove from your A123 RX pack both ways. It gives you a visual indication of where your at in the capacity of the pack as your using it in the form of a blink code. At last, a real fuel gauge! This version of the MAMA Includes the remote led feature. Mount on outer surface or on dash to read out blink code. Also included is the throttle blip feture. You can run your throttle through the device if you like and it will give you a quick throttle blip when your getting into serious condition on the pack. Obviously you should'n routinely go that deep, the intention is only to alert you as a last resort.

All green blinks is A-OK, green with some blanks means we''ve used a little, green with a few some red blinks means we are getting close to needing to recharge. If you see more red than green blinks we''ve droped below 40% remaining capacity and it''s time to recharge pronto. Intermitant red or solid red blinks is well into the danger zone. A handy chart and field box card is included to remind you of the simple pattern.

Simply perform a charge/discharge cycle and MAMA learns the capacity of your battery. MAMA delivers blink codes to represent the remaining capacity of your pack based on what you''ve actually used out of it. Any capacity LIFE (A123) 2S pack may be connected to MAMA. Your charge/discharge cycle allows MAMA to calibrate to your pack. Even if it''s a veteran 2300mah pack with only 1900mah capacity remaining, she figures it correctly. It's even ok to put a short charge into the pack that does not fill it completely. MAMA has seen this trick before and will give accurate readings anyway.

Optionally, you can run your throttle servo connection through the MAMA and she will give you quick throttle blips if you ever drop down below 30% remaining capacity. The blips are brief so that even if your in a climb out or other critical manouvre you get an opportunity to return under control for recharge.

This unit can be used with either Futaba/JR/Spektrum or any ohter universal connector. Includes optional remote LED and thorttle features. (Use of warning throttle blip feature not required for proper function of MAMA.)

Specifications:
Constant Current Limit: 10 amps
Intermitant Current Limit: 20 amps
Current Draw In Use: 5ma
Current Draw At Idle: <100ua (1 million uah per amp hour)
(time to run down full 2300mah pack at rest is 10k hours. Months of rest is safe.)
Size: 2.05" x 1.10"
Weight: 12 grams

SKU Number: SLKMA0110
Price: $44.95 
Quantity:   



MAMA Miliamp Monitor for A123

Designed in conjunction with Dave Thacker at Radical RC, the MAMA is the most inovative way to keep track of your 2S A123 RX packs ever produced. MAMA actually measures the Mili-Amp Hours you add and remove from your A123 RX pack both ways. It gives you a visual indication of where your at in the capacity of the pack as your using it in the form of a blink code. At last, a real fuel gauge!

All green blinks is A-OK, green with some blanks means we've used a little, green with a few some red blinks means we are getting close to needing to recharge. If you see more red than green blinks we've droped below 40% remaining capacity and it's time to recharge pronto. Intermitant red or solid red blinks is well into the danger zone. A handy chart and field box card is included to remind you of the simple pattern.

Simply perform a charge/discharge cycle and MAMA learns the capacity of your battery. MAMA delivers blink codes to represent the remaining capacity of your pack based on what you've actually used out of it. Any capacity LIFE (A123) 2S pack may be connected to MAMA. Your charge/discharge cycle allows MAMA to calibrate to your pack. Even if it's a veteran 2300mah pack with only 1900mah capacity remaining, she figures it correctly. It's even ok to put a short charge into the pack that does not fill it completely. MAMA has seen this trick before and will give accurate readings anyway.

Optionally, you can run your throttle servo connection through the MAMA and she will give you quick throttle blips if you ever drop down below 30% remaining capacity. The blips are brief so that even if your in a climb out or other critical manouvre you get an opportunity to return under control for recharge.

Specifications:
Constant Current Limit: 10 amps
Intermitant Current Limit: 20 amps
Current Draw In Use: 5ma
Current Draw At Idle: <100ua (1 million uah per amp hour)
(time to run down full 2300mah pack at rest is 10k hours. Months of rest is safe.)
Size: 2.05" x 1.10"
Weight: 12 grams

SKU Number: SLKMAMA
Price: $39.00 
Quantity:   



Hextronik Li-Poly Onboard LED Voltage Monitor

Onboard Lipo voltage monitor with LED indicators. Will monitor 1,2 or 3 cell battery packs. Plugs into the balancing connector on battery pack.Green indicator = more than 3.3V, red is less than 3.3V. Weight 1.7g/0.053oz.. Color coded readout. Green, safe. Red, danger.
Discharging your pack to its normal level when you have an unbalanced pack will cause one cell to drop too low, which can lead to reduced pack performance. A properly balanced pack can last ~600 cycles or more. Unbalanced packs often fail around only 100 cycles.

Note: Two units are shown in photo to show front and back of unit. Price is per each volt monitor.

New batch in stock, be sure to look for the 4S version, too!


SKU Number: HXTBM3S
Price: $5.95 
Quantity:   



evoJet Orbit M-Saver Plus

The Orbit M-SAVERplus is an optical voltage monitor that informs you about the state of your receiver battery at any time. It is simply plugged into an unused servo output of the receiver. An LED flashes green, yellow, or red, depending on the battery voltage. If the LED shows the red signal while the battery is under load, the model should not be started any more. A programing voltage allows the Orbit M-SAVERplus to be setup for 4-cell, 5-cell as well as 6-cell (=2s Li) receiver batteries.

Specifications:
Operating current: 4 mA
Connection: JR / Uni (25 cm) with gold contacts
Operation: Battery voltage check by moving rudder several times
Weight: 4 g (with cable)
Dimensions: 11 x 5 x 30 mm (46 mm with LED)
Package includes: Orbit M-SAVERplus with connection cable and data sheet


SKU Number: EVO0775
Price: $21.00 
Quantity:   



evoJet Orbit M-Saver Flash

Onboard optical voltage monitor for 4 or 5 cell receiver batteries. Orbit M-Saverplus: A LED flashes green, yellow, or red depending on the battery voltage. Orbit M-Saverflash: A very bright red LED flashes once, twice, or three times per interval, depending on the voltage. If red light or the triple flash is displayed when the battery is under load, the model should not be flown. Any under voltage that occurs once during a flight is later reported to the user as alternating between red flashing (plus) or triple flash (flash) and the signal indicating the current battery voltage. Connect to unused servo output on receiver. Factory setting: Coding jumper open for 4 cells. Solder closed jumper for 5 cell monitoring. Mounting holes are in each end of the monitor.


SKU Number: EVO0780
Price: $21.00 
Quantity:   



evoJet Orbit M-Saver Ultra

Onboard optical voltage monitor for 4 or 5 cell receiver batteries. Ultra-bright twelve segment LED bar monitors voltage in three ranges: yellow(full battery), orange(voltage dropping), and red(very low voltage). Memory function shows current battery voltage as well as lowest voltage measured in flight. Connect to unused servo output on receiver. Factory setting: Coding jumper open for 4 cells. Solder closed jumper for 5 cell monitoring. Mounting holes are in each end of the monitor.


SKU Number: EVO0790
Price: $35.00 
Quantity:   



Digital Onboard Voltmeter

Onboard digital expanded scale voltmeter. Connect to unused servo output on receiver. Monitor real time battery voltage. Easily mounted in cockpit or panel mount anywhere on your plane. Two decimal readout.

Specifications:
Minimum Voltage 3.6
Maximum Voltage 19.99
Current Used .001mah (Super Efficient!)
Size 1 38"W , 7/8"H x 1/2"D
Lead Length 6 inch Universal plug.

SKU Number: RRC1000
Price: $29.00 
Quantity:   



Digital Voltmeter Wide Range

Digital expanded scale voltmeter. This is our RRC1000 onboard meter modified for separate power supply. This allows the meter to measure down to 0.00 volts. Popular for use for many other projects. Can also be useful if you want an onboard meter for your low voltage glow assist battery. Solves many unusual voltage measuring problems. Connect to unused servo output on receiver or any 4-20V source to power the meter. Measure any 0-20V real time battery voltage. Easily mounted in cockpit or panel mount anywhere. Two decimal readout. If your requirement is for 4 cell or larger packs (generally 4V or more) you should choose our lower cost RRC1000 meter.


Specifications:
Minimum Voltage 0.00V
Maximum Voltage 19.99
Current Used .001mah (Super Efficient!)
Supply Voltage 4-20V
Size 1 38"W , 7/8"H x 1/2"D
Measured Voltag Lead Length 6 inch Universal plug.

SKU Number: RRC1000WR
Price: $37.00 
Quantity:   



GWS Onboard LED 4-7 Cell Voltage Monitor

Onboard voltage monitor with LED indicators. Will monitor 4 cell to 7 cell (4.8v,6.0,7.2,8.4) battery packs. Universal conector. Has two mounting points. Weight 5g. Color coded readout. Green, safe. Yellow, warning. Red, danger.
SKU Number: GWOBI05L
Price: $10.00 
Quantity:   



GWS Onboard LED 5-8 cell Voltage Monitor

Onboard voltage monitor with LED indicators. Will monitor 5 cell to 8 cell (6.0,7.2,8.4,9.6) battery packs. Universal conector. Has two mounting points. Weight 5g. Color coded readout. Green, safe. Yellow, warning. Red, danger.

Voltage, Red Led 1,2,3, Yellow LED 4, Green LED 5,6,7,8,9,10
4.8V, 4.20, 4.30, 4.40, 4.50, 4.60, 4.70, 4.80, 4.90, 5.00, 5.10, (volts)
6.0V 5.25, 5.35, 5.55, 5.65, 5.75, 5.85, 6.00, 6.15, 6.25, 6.35
7.2V 6.30, 6.45, 6.60, 6.75, 6.90, 7.05, 7.20, 7.35, 7.50, 7.65
8.4V 7.35, 7.55, 7.70, 7.90, 8.05, 8.25, 8.40, 8.60, 8.75, 8.95
9.6V 8.40, 8.60, 8.80, 9.00, 9.20, 9.40, 9.60, 9.80, 10.00, 10.20

SKU Number: GWOBI05H
Price: $10.00 
Quantity:   



GWS Onboard LED 4-8 Cell Voltage Monitor

Onboard voltage monitor with LED indicators. Will monitor 4 cell to 8 cell (4.8v,6.0,7.2,9.6) battery packs. Select or specify your pack size for monitoring by plugging in included resistor (one included and labeled for each pack size). Universal conector. Has two mounting points. Weight 5g. Color coded readout. Green, safe. Yellow, warning. Red, danger.

Sorry, Temporarily Out of Stock! Manufacturer Backorder! Specifications:
Size: 43x11mm /1.69x0.43 in
Weight: 5 gram / 0.18 oz
Current Draw: 18mah
GWS Factory Back Order, Sorry out of stock, no ETA.


SKU Number: GWOBI03



GWS Onboard Votage Indicator for 1-4 Lipo's Sorry, Temporarily Out of Stock MFG Backorder

Light Weight & Compact. Easy to Carry & Use. Green/Yellow/Red LED Indicator. Voltage selection for : 1,2, 3 or 4 Lipo Cells. Easy to Install on Board. Size: 43x11mm /1.69x0.43in. Weight: 5 gram / 0.18 oz. Wired for BEC type connector. Mating male BEC pigtail included.

Note: Nearly all devices of this nature should be setup so it is only connected to the Lipo during model use. Some small amount of current is used to drive the display so if it is left connected 24/7 it will eventually run the pack down to zero.

SKU Number: GWOBI001
Price: $10.00 
Quantity:   



RRC Onboard Lipo Low Voltage Alarm

Onboard voltage monitor with LED indicators for Lipo Packs. Will monitor 2-4 cells. Input voltage 6-18V. Solid Blue LED On is Good. Normal is slow flashing white LED. Low voltage warning(below 3.3V/cell) Fast flashing white and beeping. Generic connector fits most balance plugs. Simply move red pin into right position to match with your balance plug. To move pin, lightly press retaining spring down on pin as visible on surface of Alarm connector shell.
Sorry, we're out of stock, no longer manufactured.

SKU Number: RRCALARM



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Pictured to left is one of Garrett's competition ships, to right ....
Dave, Here is a picture of my second plane. This is a 3W Extra 330 40%. The plane is flying great. Thanks so much for all your support in this hobby. I really like using your products. My friends as well are very happy with the equipment & fast-friendly service that is coming out of your company. Let's keep in touch. -Garrett Morrison


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