Kastar 4-Pack BP-819 7.4V 2200mAh Camera Batteries - Long Run Time

In this review the Kastar 4-Pack BP-819 replacement batteries are evaluated for users who need reliable, longer shooting sessions with Canon VIXIA camcorders. The bottom line: these are a practical, budget-friendly option for videographers who want extended run time without replacing original chargers or cameras. The pack replaces Canon BP-819 and related models and includes built-in protection circuits, which is the single biggest reason to consider this set if you record events, travel frequently, or shoot extended clips.

Key Features

• High Capacity: Each 2200mAh battery delivers longer run time compared with typical low-capacity replacements, reducing interruptions during shoots.
• Compatible Models: Designed to replace Canon BP-809, BP-819 and BP-827 series batteries, so it works directly with many VIXIA and FS series cameras without modification.
• Safety Protections: Built-in circuits protect against over-charge, over-discharge, over-voltage, over-current and over-heating to keep the camera and battery safer during repeated use.
• Charger Compatibility: Compatible with Canon CG-800 style chargers, allowing users to continue using an existing charger rather than buying a new one.
• Value Pack: The 4-pack format supplies multiple spare batteries in one purchase, which helps professionals and hobbyists avoid mid-shoot downtime or frequent recharges.

Who It's For

This 4-pack is best for independent videographers, event shooters, and travel hobbyists who use Canon VIXIA HF M-series or older FS-series camcorders and want several full-capacity spares on hand. It suits anyone who prefers to swap batteries quickly rather than tether a camera to AC power for long shoots.

It is less appropriate for users who require manufacturer warranty service tied to original branded batteries or who need batteries for camera models outside the listed compatibility range; in those cases OEM or model-specific alternatives should be considered.

Pros & Cons

Pros

• Longer runtime from 2200mAh capacity reduces frequency of battery changes during shoots.
• Works with multiple Canon BP-809/BP-819/BP-827 compatible cameras and CG-800 style chargers for convenience.
• Built-in UL1642 and CE compliant safety circuitry helps protect camera electronics and battery health.

Cons

• Not an original brand battery, so users who prefer OEM parts may opt for official replacements.

Specifications

Battery Type	Lithium-ion
Battery Voltage	7.4V
Battery Capacity	2200mAh
Compatible Battery Models	BP-809, BP-819, BP-827
Compatible Charger	CG-800 style
Package Contents	4-Pack Batteries

Our Verdict

The Kastar 4-pack BP-819 7.4V 2200mAh batteries are a solid value for Canon VIXIA and FS-series users who need multiple spares and dependable run time. With safety protections and broad compatibility, this pack saves time and expense for shooters who regularly record long sessions, though those seeking official OEM batteries may look elsewhere.

Frequently Asked Questions

Will these batteries fit my VIXIA HF M40?
Yes, the pack lists compatibility with VIXIA HF M40 and related M-series models that accept BP-819 style batteries.

Can I use my existing Canon charger?
These batteries are compatible with CG-800 style chargers, so most chargers that accept BP-819/BP-809 replacements will work.

Are the cells protected against over-charge?
Yes, the pack includes built-in protection for over-charge, over-discharge, over-voltage, over-current and over-heating.