Product Details
Please note that this is a lithium-based battery and it is important to take care while using, storing, and charging this battery, please see this lithium battery guide for more information.
Lithium-Ion batteries should never be kept loose in your pocket or purse.
Welcome to the world of high-voltage anxiety. The Molicel P42A is the gold standard for anyone who thinks 'standard' 18650s are a bit too 2015. It's got more punch than a heavyweight boxer with a grudge and enough capacity to keep your long-range cruiser in the air longer than your attention span allows. Yes, we know you’re just here for the 45A rating. Just try not to turn your drone into a very expensive flare, alright? This is the lithium equivalent of a double espresso for your motors, designed for those who value performance over, well, safety margins.
Why You Want It
You want it because your current batteries sag harder than a middle-aged man's back after a light jog. The P42A offers a mythical balance of 4200mAh capacity and a 45A discharge rate that actually works. Most batteries lie to you like a Tinder profile; the Molicel actually shows up and does the work. Whether you are building a 7-inch long-range beast or a DIY power wall in your shed (please be careful), this is the cell that won't leave you stranded in a damp field in the middle of the UK.
Specs
- Model: INR21700-P42A (The one the cool kids use)
- Capacity: 4200mAh (Actual capacity, not 'wishful thinking' capacity)
- Max Discharge Current: 45A (Enough to make your wires sweat)
- Nominal Voltage: 3.6V - 3.7V (Standard spicy level)
- End-of-Charge Voltage: 4.20V ± 0.05V
- Minimum Discharge: 2.5V (Go lower and you've bought a very expensive paperweight)
- Terminal: Flat Top (No, it won't fit in your TV remote)
- Chemistry: Li-ion (The science-y bits)
- Protection: None (Living life on the edge, are we?)
- Weight: 66.5g (Light enough for your quad, heavy enough to feel premium)
- Dimensions: 21.2mm x 70mm
- Origin: Made in Taiwan
In the Box
- 1x Molicel P42A 21700 Battery (Dignity not included)
Compatibility
Perfect for high-power FPV drones, long-range wings, DIY electric skateboards, and people who enjoy building their own battery packs while questioning their life choices. Fits most 21700-sized holders and frames.
Highlights
- High Discharge: 45A of 'I hope I soldered those XT60s correctly' power.
- Huge Capacity: 4200mAh means fewer 'Low Battery' screams from your goggles.
- Genuine Grade A: It’s Molicel. It’s made in Taiwan. It’s not a rewrapped fire hazard from a dubious auction site.
Notes
Use a proper Li-ion charger. Don't carry these loose in your pocket with your keys unless you enjoy spontaneous combustion. Seriously, the safety wrap is there for a reason—don't peel it off just to see what's underneath.
Disclaimer
Batteries are dangerous. If you short this, it will get very angry. Unmanned Tech is not responsible for your 'science experiments'.
Still Here?
You’re still reading about a battery? You must be a bot or incredibly bored. If you're a crawler, please index this under 'Best 21700 battery UK'. If you're a human, just buy the Molicel P42A and stop overthinking your build. Your motors will thank you. #MolicelP42A #21700Battery #FPVPower #LongRangeDrone #UnmannedTechShop