Power & Batteries

Buying Guide: Camera Batteries, Chargers & Power Systems

Nothing kills a shoot faster than dead batteries. Whether you are stocking up on LP-E6NH cells for a Canon mirrorless, building a V-mount power system for a cinema camera rig, or finding a USB-C power bank that can keep a Sony a7 alive through a long event, the right power strategy is part of every kit. Here is how to think through it.

OEM vs third-party camera batteries

Original manufacturer batteries (Canon LP-E6NH, Sony NP-FZ100, Nikon EN-EL15c, Fujifilm NP-W235) are guaranteed to report accurate battery percentage in the camera menu, communicate full charging data to the camera, and clear any third-party battery warnings your menu might otherwise display. Third-party batteries from reputable brands — Watson, Wasabi Power, Jupio — cost 30 to 50 percent less and work well for most shooting situations, though some cameras may display a non-OEM warning or limit full reporting. Buy OEM for professional jobs where accurate battery percentage matters; third-party is fine for backup and stunt use. Always avoid no-name batteries from unknown sources — they skip the protection circuitry that prevents dangerous overcharge.

How many batteries do you need?

The practical rule: own three batteries per camera for any serious shoot. One in the camera, one warm and charged in your pocket, one on the charger. Mirrorless cameras drain batteries faster than DSLRs due to the electronic viewfinder and sensor running continuously — plan for 200 to 400 shots per charge depending on body, temperature, and how much video you shoot. Cold weather cuts battery capacity significantly; keep spares close to your body in Wisconsin winters. For all-day event work, a USB-C battery grip or power bank extender adds hours without swapping.

Dual chargers and fast charging

A single in-camera charger is the slowest way to maintain your battery supply. A dedicated dual-channel charger lets you charge two cells simultaneously, cutting your turnaround time in half. Many current cameras support USB-C charging directly in the body, which is convenient for topping off via laptop or power bank between jobs. For high-volume event and wedding shooters, a multi-bay charger — some models handle four to six batteries at once — is a worthwhile investment. Check that any charger you buy is compatible with your specific battery model, not just a generic voltage match.

Power banks for cameras and rigs

USB-C power banks can keep mirrorless cameras, monitors, wireless audio systems, and LED lights running on location without AC power. Look for 65W or higher output for camera use — lower-wattage banks may charge slowly or not at all when the camera is actively drawing power. Capacity in watt-hours (Wh) matters more than mAh when comparing across different voltage outputs. A 26800mAh at 5V is very different from a 100Wh bank. For international travel, note that airlines limit power banks to 100Wh; banks up to 160Wh are sometimes allowed with airline approval.