OMG you guys, I nearly facepalmed when my homemade hoverbike died mid-air over Death Mountain 😭 Turns out I'd totally neglected my Energy Cell upgrades! If you're like me and love building wild Zonai contraptions in Tears of the Kingdom, listen up – upgrading your Energy Cell is an absolute game-changer. No more embarrassing crashes when your flamethrower-tank hybrid suddenly powers down mid-battle! 💥

⚡ Why Bother Upgrading?

Let's get real – every single Zonai device you create drains your Energy Cell. Whether it's a basic fan-bike or some crazy death machine with 15 beam emitters (guilty ✋), that blue battery depletes FAST. Upgrading gives you:

• Longer runtime for all devices

• No need for constant battery swaps

• Freedom to build crazier machines!

Seriously, it's a total no-brainer investment. Once you upgrade those Energy Wells, they're permanent! 🙌

🔍 Finding Crystal Refineries

There are ONLY two spots in all Hyrule to upgrade – I've marked them both:

1. Great Sky Island Starter Zone

2. Teleport to Nachoyah Shrine (southern part)

3. Literally face forward from shrine exit – you'll see it!

4. Perfect for early-game upgrades

1. Lookout Landing Northern Exit

2. Head toward Hyrule Castle from town

3. Check RIGHT side of road for stacked stone structure

4. Easy climb even with base stamina ⛰️

Pro tip: Both refineries work identically – pick whichever's closest when you're loaded with charges!

💸 Upgrade Costs Explained

Getting more battery requires grinding (worth it!):

Upgrade Component	How to Get	Amount Needed
Crystallized Charge	Trade at Zonaite Forge	100 per Energy Well
Zonaite	Mining/dungeons	3 per charge (approx)

Key facts:

• ⚡ 3 Energy Wells = 1 full battery icon

• 💰 Stock up BIG at forges – they restock like shops!

• 🔄 Process: Mine Zonaite → Forge → Refinery → Repeat!

🚀 My Personal Upgrade Journey

When I first realized I needed 300 crystallized charges for ONE extra battery? I almost rage-quit 😤 But here's my grind strategy:

1. Hit Depths mining zones daily

2. Target Zonaite-rich camps

3. Bulk convert at forges

4. Upgrade in batches of 3 wells

After maxing out? Total freedom! My favorite builds now:

• 20-minute flying machines ✈️

• Laser-tank siege engines

• Auto-harvest farming bots 🌽

❓ FAQ Time!

Q: Do batteries carry over to New Game+?

A: Nope fam – upgrades reset with each playthrough 😢

Q: Any secret third refinery?

A: Don't waste time hunting – only these two exist! #TheMoreYouKnow

Q: Should I prioritize cells or armor upgrades?

A: Cells FIRST if you build often! Armor won't power your death drones 💀

Q: Max battery capacity?

A: 16 full cells – start grinding those Zonaite deposits! ⛏️

Q: Do zonai devices drain faster when upgraded?

A: LOL no – that'd be savage! Same drain rate, just longer runtime 💙

Upgrade tip: Always carry 500+ Zonaite before forge trips! What's your craziest powered-up build? Drop pics below 👇