What It Is
Power Bank helps you pay a network fee when your account has no gas: the network's own token used to pay that fee. You top up Power Bank, and Bron uses that balance to send gas to your account when you need it.
Bron sends more gas than one transaction needs. The extra stays in your account for future transactions on the same network.
Every workspace starts with a $5 Power Bank balance from Bron. It is credited the first time you open the Power Bank panel and can only be spent on network fees.
Power Bank supports Ethereum, Solana, TRON, Arbitrum One, Optimism, Base, Binance Smart Chain, HyperEVM and Robinhood Chain. On other networks, you still need to hold the network's own token to pay the network fee.
Where to Find It
Click Transfer in the sidebar, then click the lightning badge showing your Power Bank balance in the top-right corner of the window.
On mobile, open Profile and tap Power Bank.
The Power Bank panel shows your balance and a button to top up.
How to Top Up
Open the Power Bank panel, click Top up Power Bank, and choose card or crypto.
By Card
Select the Card tab.
Enter an amount or choose a preset.
Click Create payment link.
Pay on the Stripe page, then return to Bron.
The payment link is valid for about half an hour.
With Crypto
Select the Crypto tab.
Choose the account and crypto you want to pay with, then enter an amount.
Review the network fee and total, then click Preview and confirm.
Sign the transaction in the Bron Desktop App.
If you do not confirm the crypto top-up within 15 minutes, it is cancelled.
How to Use It for a Fee
Prepare your transaction as usual. When you cannot cover the network fee, click Use Power Bank.
Wait for the gas to arrive in your account. The panel shows the delivery in progress. Once it arrives, continue with your transaction and sign it as usual.
What It Costs
You pay the value of the gas Bron sends, plus the network fee to send it, plus 1% added to the price.
During delivery, Bron sets aside a bit more than the expected cost. The unused part comes back to your Power Bank balance when delivery is complete.
⚠️ Using Power Bank involves two network fees: one to send gas to your account and one for your own transaction. Paying with gas you already hold is cheaper.
Limits
Minimum top-up: $1.
Maximum Power Bank balance: $500.
Total top-ups: $500 per 30 days.
Uses: 3 per day per workspace until the workspace tops up $5 of its own money on top of the starter $5 from Bron, then 30 per day.
Deliveries: one at a time per account and network.
Power Bank money cannot be withdrawn, moved to another workspace, or turned back into crypto or regular money.
The Power Bank panel shows your top-up and fee history.
When Something Goes Wrong
If a gas delivery fails, the money set aside comes back to your Power Bank balance, and you can try again.
Rarely, Bron needs to check the delivery on the network first. That account shows still being checked while the check is in progress. The money set aside is returned or charged automatically after the check. You do not need to do anything.
For help, contact support through the messenger on the Bron platform or email support@bron.org.