Boats & Boat Accessories > Battery Packs & Accessories - R/C Boat > Batteries - Lithium Polymer - R/C Boats Bookmark this Page

AquaCraft - AQUB9825   708066198258 0708066198258
Manufacturer Stock#
A Closer Look at This Product
  Tech Notes

Accessories Needed

Regularly Purchased Together

Browse AquaCraft

Product Feature Page

Manufacturer's Product Web Page

AquaCraft GrimRacer LiPo Pack 2S 7.4V 4200mAh 30C
AquaCraft GrimRacer LiPo Pack 2S 7.4V 4200mAh 30C
View Larger Picture

Shipping Note: International shipping restriction
Product Warning: Important Warning! Please Read!
Tower Catalog Page: 140

Stock Number
Retail Price
Tower's Low Price
Stock Status
In Stock
Buy Now
Add to wish list
—— Share ——

Quantity Discount
  Special Savings When Buying in Quantities
Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
AquaCraft GrimRacer LiPo Pack 2S 7.4V 4200mAh 30C Add to Wish List
115.64  Buy Now 4.34  

Regularly Purchased Together
— Customers who purchased the above product also bought the following —
Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.
1.  LXMNG2 AquaCraft Radio Box Waterproof Tape 2.69  Buy Now
2.  LXMPH8 AquaCraft GrimRacer Speed Grease Drive Cable Lube 6.99  Buy Now
3.  LXAZZS Duratrax Onyx 245 AC/DC Dual Balancing Charger   119.98  Buy Now
4.  LXVST0 AquaCraft GrimRacer L40x57 3-Bld Copper-Beryllium Prop 21.99  Buy Now
5.  LXAXFS AquaCraft GrimRacer LiPo Pack 2S 7.4V 5000mAh 40C   79.99  Buy Now
6.  LXKX39 W.S. Deans 2-Pin ULTRA PLUGŪ Male/Female Set 2.89  Buy Now
7.  LXBXEP** AquaCraft Revolt 30 FE Mono 2.4GHz RTR   349.99  Buy Now
8.  LXMHP3 AquaCraft GrimRacer Pro Radio Box Tape 21.99  Buy Now
9.  LXRUD7 AquaCraft GrimRacer 42x55 Copper-Beryllium Ti Prop 21.99  Buy Now
Product Image

Tech Notes
This is the GrimRacer 2S 7.4V 4200mAh 30C LiPo Battery from AquaCraft.


Designed and tested specifically for boat hulls and boat racing


GrimRacer 2S 7.4V 4200mAh 30C LiPo Battery with Star Plug
Discharge Connector and ElectriFly style Balancing Plug


LiPo compatible charger and balancer


Voltage Rating: 7.4V
Cells: 2
Rated Capacity: 4200mAh
Discharge Rating: 30C Continuous, 60C Surge
Max. Recommended Charge Rate: 1C (4.2A)
Discharge Lead: 10 gauge wire with Star Plug
Balancing Plug: ElectriFly style
Dimensions: 5.28 x 1.65 x .75" (134 x 42 x 19mm)
Weight: 8.25oz (234g)


ALWAYS use a LiPo-approved Charger
ALWAYS use a LiPo Cell Balancer
NEVER Charge over 4.20V per cell
NEVER allow LiPo cells to exceed 140°F (60°C) during charging
NEVER Charge at currents greater than 1C
NEVER Trickle Charge
NEVER allow to Discharge below 2.5V per cell
NEVER disassemble or modify pack wiring in any way or puncture cells
NEVER place on combustible materials or leave unattended during
ALWAYS charge in a fireproof location
ALWAYS set charger's output volts to match battery volts
ALWAYS keep out of the reach of children

jxs 03/30/11
updated tlc 10/14/15

– If you need more information, use these AquaCraft resources –
Click Here: Manufacturer's Product Web Page
Web Site:
Phone: 217-398-8970
  Postal Address:

Click here for Units of Measure Conversion Calculators

Accessories Needed
This is the GrimRacer 2S 7.4V 5000mAh 30C LiPo Battery from AquaCraft. FEATURES: Heavy-duty 10 gauge discharge leads with Deans Ultra plug, ElectriFly balancing plug, yellow shrink wrap REQUIRES: LiPo compatible charger, charging bag

Accessories for the AquaCraft GrimRacer LiPo Pack 2S 7.4V 4200mAh 30C

Primary Accessories     Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
 LXAGUG Duratrax Onyx 235 AC/DC Advanced Balancing Charger
Accessories Needed Qty Discount Available
89.98   In Stock
 LXZKA2 Great Planes ElectriFly SafeCharge LiPo Charge Bag
Qty Discount Available
21.99   In Stock
Subtotal for this Group of Accessories: 111.97  
Click to Order all items listed in this Group of Accessories    Buy This group of Accessories

Primary Accessories     Optional Accessories

Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
See Tower Hobbies
Reviews at
Hobbico, Hobby & Model Construction
Supplies - Retail, Champaign, IL
We accept the following: We accept the following payment methods: Discover, MasterCard, Visa, American Express, Diners Club International, JCB, China UnionPay, PayPal, and PayPal Credit.
Unauthorized use of any materials presented here is prohibited. Copying or reproducing any elements from this page is not permitted. All prices, descriptions and availability subject to change. Displayed within some areas of our web site, the Retail Price is suggested by the manufacturer or supplier, or estimated in keeping with standard industry practice. It may not represent the prevailing price in your area or a price that Tower Hobbies has ever offered for the item.
Copyright © Tower Hobbies All rights reserved. Do not duplicate or redistribute in any form.