ENERGIZER L91BP-8 AA 1.5V lithium battery 8-pack
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Twelve lithium-ion cells power the Hepsela E1057 pen drill at up to 25,000 RPM with under 55 dB noise
This 12-pack supplies lithium-ion cells rated at 500mAh each, designed specifically for the Makartt Hepsela E1057 pen-shaped nail drill. The set supports cordless operation for home manicure sessions, nail school practice, or mobile beauty services. Users who need spare or replacement batteries for continuous workflow will find the quantity practical. Buyers seeking batteries for other drill models or higher capacity cells should look elsewhere.
Confirm that your existing handpiece lists part number E1057 or belongs to the Hepsela pen-shaped series before ordering. These cells fit only that specific model and are not interchangeable with other Makartt drills or third-party e-files. The drill charges via Type-C in about two hours and delivers up to 2.5 hours of runtime depending on the selected speed level. No charger is included in this battery-only pack.
Each cell sits inside the drill's ABS and aluminium-alloy housing, which helps dissipate heat while keeping the handpiece light at 66 grams. The slim pen profile feels natural during extended filing and reduces hand fatigue. Operation stays under 55dB, so the tool remains quiet enough for apartment or shared-space use. The 12-pack ensures you always have a charged cell ready for gel polish removal or cuticle work.
Measured against everything we stock in Disposable & Rechargeable Batteries, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | Makartt |
| Product line | Hepsela Pen-Shaped Nail Drill |
| Model name | Hepsela Pen-Shaped Nail Drill |
| Part number | E1057 |
| Product type | Battery, true, Battery Powered |
| Color and finish | Pink |
| Power | |
| Amperage | 4.99 W |
| Corded or cordless | Battery Powered |
| Battery type | Lithium Ion |
| Size & build | |
| Size or dimensions | 6 |
| Main material | ABS |
| Compatibility | |
| Fit and compatibility | E1057, Hepsela Pen-Shaped Nail Drill |
| In the box | |
| Number of items | 12 pack |
| More details | |
| Number of batteries | 1 |
| Time to charge | 500 Wh / 4.99 W |
The pack contains twelve 500mAh lithium-ion replacement batteries for the Hepsela E1057 pen-shaped nail drill; the drill unit is not included and must be bought separately.
These 500mAh lithium-ion cells are made specifically for the E1057 Hepsela pen-shaped nail drill, so no other version or capacity is required.
A full charge gives up to 2.5 hours of runtime depending on the speed level selected; higher speeds such as 25,000 RPM will reduce that time.
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