Can i use this battery for flysky receiver fs-ia6b?

Unfortunately, we are not familiar with that device. Typically when identifying pack compatibility (compared against the current/original battery), we recommend checking the following: - Battery chemistry - Voltage - Size/Dimensions - Connector Type This battery has this dimensions: 2.83x 1.97x 0.59 inches and has a Hitec connector. If these criteria match, then it should be compatible.

What's the max charge rate and amp discharge rate? If these can't supply occasional 5 amps I can't use them.

These batteries are as good as any on the market. I do not know specifically if 5 amps is okay. But if not then I don’t think that any can tolerate 5. But maybe they do. I usually charge at 2 amps. So, if 5 amps is too much then just switch a discharged one for a fully charged.

will this battery pack work for my walking robot with 6 mg996r servos

It is difficult for us to be 100% certain. Typically when identifying pack compatibility (compared against the current battery), we recommend to check the following: battery dimension (against the battery compartment of device), voltage, chemistry, and connector type. The dimensions of the Tenergy battery is 2.83"x 1.97"x 0.59". (LxWxH). If these criteria match, then it should be compatible

Can i charge these with a passport p2 charger or do i need a special charger?

Yes you can use that charger just make sure you set it to nih and not lipo or life set it for 2a charge

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2 Pack NiMH Receiver RX Battery with Hitec Connectors 6V 2000mAh High Capacity Rechargeable Battery Pack for RC Airplanes/RC Aircrafts and More

Product ID: 282241150

Details

Battery Capacity
2000 Hour
Battery Cell Composition
NiMH
Brand
Tenergy
Number of Batteries
2 Product
Recommended Uses For Product
RC Aircrafts

⚡Rapid Recharge Technology

🔋2000mAh High Capacity

✈️6V Power for RC Aircrafts

28972CFA

Duties & taxes included

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Elevate your RC game with power that won’t quit!

POWER YOUR PASSION - High-capacity 2000mAh NiMH battery keeps your RC aircraft flying longer and stronger.
LIGHTWEIGHT COMPACT - At just 5 oz and slim dimensions, it’s engineered for optimal balance and performance.
SUPPORT YOU CAN TRUST - Backed by dedicated California-based customer service for hassle-free assistance.
CHARGE LESS PLAY MORE - Rapid recharge capability means minimal downtime—maximize your hobby time effortlessly.
UNIVERSAL COMPATIBILITY - Seamlessly fits popular RC brands like Hitec, Futaba, and JR with reliable Hitec connectors.

The Tenergy 2 Pack NiMH Receiver RX Battery delivers a robust 6V and 2000mAh capacity tailored for RC airplanes and helicopters. Featuring rapid recharge technology and universal Hitec connector compatibility, these lightweight, rechargeable battery packs ensure extended flight times and seamless integration with top RC brands. Supported by local customer service, they’re the smart choice for serious hobbyists aiming to stay airborne longer.

Specifications

ASIN	B08VWHWZ35
Antenna Location	RC Airplanes/RC Aircrafts with Hitec Connectors
Battery Capacity	2000 Milliampere Hour (mAh)
Battery Cell Composition	NiMH
Battery Cell Type	NiMH
Battery Weight	5 Ounces
Best Sellers Rank	#21,595 in Toys & Games ( See Top 100 in Toys & Games ) #20 in Hobby Remote & App Controlled Vehicle Batteries
Brand	Tenergy
Built-In Media	2 battery packs
Customer Reviews	4.7 out of 5 stars 1,572 Reviews
Item Dimensions	2 x 3 x 0.5 inches
Item Weight	0.27 Kilograms
Manufacturer	Tenergy
Model Number	90705
Number of Batteries	2 Product Specific batteries required.
Recommended Uses For Product	RC Airplanes/RC Aircrafts with Hitec Connectors
Reusability	Rechargeable
UPC	844949034104
Unit Count	2.0 Count
Voltage	6 Volts

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