Which is better for a 3S drone or plane?

Both are 11.1V 5000mAh 3S LiPos. Pick by connector: XT60 gear fits the Ovonic, EC5 gear fits the CNHL. For high-current setups, the CNHL's 70C rating gives more headroom.

Is the CNHL worth the extra over the Ovonic?

Only if you need 70C discharge or EC5 plugs. The Ovonic gives you two packs, so its per-battery cost is lower. Compare the per-pack price at checkout.

Can I use the Ovonic pack on an EC5 model?

Not directly. You would need an XT60-to-EC5 adapter or to resolder the plug. Adapters add resistance, so resoldering is the cleaner option for high current.

Both are LiPo packs with similar chemistry, so lifespan depends on how you treat them. Store at 3.8V per cell, avoid deep discharges, and don't leave them fully charged. The 70C CNHL may run cooler under heavy load, which helps.

Do I need the spare EC5 connectors?

Only if you build or repair EC5 wiring. The CNHL listing includes 3 pairs of male and female EC5 connectors, which is useful for a workbench but not needed for plug-and-play use.

What charger do these need?

A LiPo balance charger set to 3S (11.1V) and a 1C charge rate, about 5A for a 5000mAh pack. Do not use a NiMH charger.

Ovonic 3S 11.1V 5000mAh 50C LiPo Battery Pack with XT60 Plug (2 Pack) vs CNHL G+Plus 11.1V 5000mAh 3S Lipo Battery 70C with EC5 Plug

Buy the Ovonic 2-pack if you want two identical 3S 5000mAh packs for the price of roughly one CNHL and your gear uses XT60. Buy the CNHL G+Plus if you need a 70C discharge rating and EC5 plugs for a high-current build. The Ovonic is sold as a 2-pack; the CNHL is a single pack, so compare the per-battery price before deciding.

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