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A Main Hobbies Announces ProTek R/C 2300mAh Stick Receiver Pack
Chico, California, September 21, 2007 – A Main Hobbies today announced a new ProTek R/C brand Lithium Polymer receiver pack designed to fit vehicles that need a 2/3A style flat stick receiver pack. This new receiver pack fits many vehicles where the current 2000mAh square style receiver pack will not fit, such as the XRAY XB8. This pack is currently one of the largest capacity Lithium Polymer receiver packs available in this size configuration.

You can find this product listed here:

http://www.amain.com/product_info.php/products_id/15789

This super light weight Li-Poly battery is designed to power the electronics of 1/10th & 1/8th scale gas powered race cars. Overall weight of your race car will be significantly reduced over the use of typical NiMh receiver packs. The battery voltage to your receiver and servos will remain constant throughout the race with the use of a voltage regulator (required). A constant voltage for your servos will ensure consistent performance at the start and end of your race compared to typical NiMH receiver battery packs.

Runtime:
Don’t be thrown off by the capacity rating of Li-Poly battery packs, as you will get awesome runtime out this pack! Unlike NiMH battery packs, Li-Poly battery packs do not lose voltage as quickly over time and can handle higher current draw than typical NiMH battery packs. Given that Li-Poly battery packs provide a higher nominal voltage (7.4V nominal), the actual capacity of the battery pack when compared to a typical NiMH battery pack (6.0V nominal) is about 30% more than the rated value (so this pack would be about the same as a 3000mAh NiMH pack in total capacity). Also with the use of a voltage regulator, Li-Poly battery packs will produce the same voltage to your receiver and servos at the end of the pack as it does at the start. This means the useable capacity of the battery pack is significantly more than typical NiMH battery packs, because most NiMH battery packs will produce significantly less than the 6.0V nominal voltage once they get below half capacity (ie: your servos will be a lot more sluggish if your typical NiMH battery pack is below half capacity).

Why must Li-Poly receiver packs be used with a voltage regulator?
Although the Li-Poly battery pack’s nominal voltage is 7.4V, when it is fully charged the voltage output is 8.4V. The 8.4V output exceeds the safety level of most receivers and servos on the market, so you must use a voltage regulator with these Li-Poly receiver packs to decrease the voltage to safe levels that your receiver and servos can accept.

IMPORTANT:
  1. You will need a Li-Poly specific charger to charge the pack (NiMH or NiCD only chargers WILL NOT WORK!)
  2. You must not over discharge the Li-Poly battery pack.
  3. Read the instructions carefully before operating this battery.
Specifications:
  • Capacity: 2300 mAh
  • Weight: 95 grams (including wire and connector)
  • Li-Po cell arrangement: 2S1P
  • Norminal voltage: 7.4 Volts
  • Discharge capability: 3C continuous (4.9A), 4C max (5.2A)
  • Dimension(mm): 85 x 30 x 16mm
  • Connector: JR Style
  • Recommended Application: 1/10th & 1/8th scale vehicles that normally use a flat stick pack receiver battery
Dealer Enquiries
Please direct dealer enquiries through HRP Distributing. You can find HRP Distributing on the internet at the following location: http://www.hrpdealer.com/

About A Main Hobbies
A Main Hobbies is a leading Internet retailer of radio controlled cars, trucks, helicopters and airplanes. Founded in early 2004, A Main Hobbies has rapidly become one of the largest Internet retailers in the country. A Main Hobbies prides itself on having the products customers’ need, when they need it, and providing first class customer service and product support. A Main Hobbies is a division of Good Time Hobbies, Inc., a privately held California Corporation. The company's Web address is http://www.amain.com.

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