What is the max charge rate (in amps) that I can charge this using my balance charger?

Personally I wouldn't charge max rate will ruin battery faster and u will have shorter usage bcus of quick power loss. It should say n specs on package.

Will this battery work in a stock arrma new big rock 2020

No it will not, the big rock can only take up to a 3s lipo and this is a 4s. The big rock also has the ic5 connector as this battery comes with an ic3 so it won't plug in. This is also a 2200mah pack, I would look for at least a 5000mah to get a decent amount of run time.

Who sells a LiPo battery safe bag or case?

Hobby stores like Horizon Hobbies, Tower Hobby or Hobby Town

How long is the battery life? Also, how long does it take for the battery to charge.

Hello , Hard to tell you how long is the battery life , Depend to your utilisation , way storage , shock in the car , etc ... For the charge : approximatly 2h hours to full charge . Have a nice day

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⚡ Power Up Your Passion with Spektrum!

RAPID RESPONSE - 30C discharge rate ensures quick bursts of energy for thrilling action.
SMART TECHNOLOGY - IC3 connector for seamless compatibility and easy connections.
EXTENDED PLAYTIME - Enjoy longer flight times with a robust 2200mAh capacity.
UNLEASH THE POWER - Experience high-performance with 14.8V voltage for your hobby needs.
LIGHTWEIGHT DESIGN - Weighing only 250g, it’s perfect for agile maneuvers.

The Spektrum 14.8V 2200mAh 4S 30C Smart LiPo Battery is designed for hobbyists seeking high performance and reliability. With a powerful voltage and impressive capacity, this battery ensures extended playtime and rapid energy delivery, making it ideal for various remote-controlled applications. Lightweight and easy to connect with its IC3 technology, this battery is a must-have for enthusiasts looking to elevate their experience.

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€ 273.69

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Model Number	SPMX22004S30
Number of Puzzle Pieces	1
Assembly Required	Yes
Batteries Required	Yes
Batteries Included	Yes
Material Type(s)	Plastic
Remote Control Included?	No
Radio Control Suitability	Hobby
Colour	multicoloured
Product Dimensions	14.73 x 6.35 x 5.84 cm; 250 g
Batteries	1 Lithium Metal batteries required. (included)
Item model number	SPMX22004S30
Manufacturer recommended age	14 months and up
Manufacturer	Horizon Hobby
Country of Origin	USA
Item Weight	250 g

14.8V 2200mAh 4S 30C Smart LiPo Battery: IC3

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