Ronin Fuel R-8510: AAA batteries you never throw away
AAA cells hide in the gadgets you use every day: the TV and AC remotes, the wireless mouse and keyboard, the digital scale and the kids’ toys. They’re cheap one at a time, but they add up, and they always die at the worst moment. The Ronin Fuel R-8510 replaces them with four lithium AAA cells you recharge over USB Type-C.
There’s a small Type-C port on the side of each cell. Plug in any phone cable, connect it to a 5V charger or a laptop, and the cell is ready to go back in your remote. No separate battery charger, no hunting for the right cable.
Key features of the Ronin Fuel R-8510
- Charge with any Type-C cable: each cell has its own USB Type-C port. Works with a phone charger, power bank or laptop.
- 390mAh / 600mWh per cell: high-density lithium in a standard AAA size (minimum 360mAh).
- Steady 1.5V output: unlike 1.2V NiMH rechargeables, your devices get full voltage the whole time.
- Up to 1.5A output: handles wireless peripherals, small torches and toys without struggling.
- 1000+ recharge cycles: Ronin’s rating, so one four-pack covers years of remote and mouse use.
- Protected and leak-resistant: protection against overcharge, over-discharge, overcurrent and short circuits, with low self-discharge in storage.
What the Fuel AAA cells are good for
TV, AC and set-top box remotes, wireless mice and keyboards, wall clocks, digital kitchen scales, thermometers, small torches, toys and some cordless phones. If a device takes AAA, Fuel R-8510 fits.
How to charge
Remove the cell, connect a USB Type-C cable to the port on its side and plug it into a 5V USB charger. Each cell charges at a gentle 100mA. Charge between 0°C and 45°C, so indoors rather than on a sunny window sill in June.
Good to know: lithium 1.5V cells hold their voltage until they’re nearly empty, so a remote or mouse may show full battery and then stop. Just recharge and carry on.
Ronin Fuel R-8510 technical specifications
| Model | Ronin Fuel R-8510 |
| Battery type | Rechargeable AAA lithium battery |
| Pack | 4 cells |
| Rated voltage | 1.5V constant output |
| Rated capacity | 390mAh (minimum 360mAh), 600mWh |
| Charging port | USB Type-C |
| Charging input | 5V, 100mA |
| Max output current | Up to 1.5A |
| Recharge cycles | 1000+ |
| Operating temperature | Charging 0°C to 45°C, use -10°C to 60°C |
| Protection | Overcharge, over-discharge, overcurrent, short circuit |
Ronin Fuel cell price in Pakistan
The Ronin Fuel cell price in Pakistan at Mobile Geeks is shown at the top of this page for a pack of four, with free delivery and cash on delivery. Compared with the AAA rechargeable cell price in Pakistan for older 1.2V NiMH packs plus a charger, Fuel needs no charger at all. For AA devices like game controllers and trimmers, pick the Ronin Fuel Pro R-8505 AA pack, or browse all Ronin accessories.
Why buy from Mobile Geeks?
- Original Ronin stock, checked before dispatch.
- Free delivery all over Pakistan and cash on delivery.
- 7-day returns if something isn’t right.
- Visit our store at 51-H, Ali Heights Plaza, Johar Town, Lahore.
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