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The SHINTYOOL 21V 4.0 Ah lithium-ion battery offers a powerful, reliable replacement for a wide range of 21V cordless power tools. Featuring a high-capacity 4.0 Ah cell composition, universal charger with LED status indicator, and advanced safety protections, it ensures longer runtime and safe, efficient charging. Compatible with popular brands and off-brand tools alike, this rechargeable battery is designed to keep your equipment running strong and your projects on schedule.
| ASIN | B0BF9DBLC2 |
| Amperage | 1 Amps |
| Antenna Location | Power Tool |
| Battery Capacity | 4 Amp Hours |
| Battery Cell Type | Lithium Ion |
| Battery capacity | 4 Amp Hours |
| Battery cell composition | Lithium Ion |
| Best Sellers Rank | #70,594 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #241 in Cordless Tool Accessories |
| Brand | SHINTYOOL |
| Compatible Phone Models | Makita |
| Customer Reviews | 4.5 out of 5 stars 1,211 Reviews |
| Item Weight | 9 Ounces |
| Manufacturer | SHINTYOOL |
| Model Number | 4.0AH |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Number of batteries | 1 Lithium Ion batteries required. |
| Recommended uses for product | Power Tool |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Unit count | 1 Count |
| Voltage | 21 |
R**R
SHINTYOOL 21v 4.0 Ah Battery: A Perfect, Powerful Replacement for Off-Brand Tools!
I received the SHINTYOOL 21v Lithium Battery with Charger Adapter (4.0 Ah), and I am genuinely impressed. I took a chance hoping this would be a compatible solution for my slightly older, off-brand 21v cordless leaf blower—and it was a perfect fit! Finding reliable battery replacements for generic or lesser-known tool brands can be a nightmare, but this SHINTYOOL battery snapped into place smoothly, instantly reviving my leaf blower. The 4.0 Ah capacity is a significant upgrade over my original battery, providing a noticeable increase in run time. I was able to clear my entire yard without needing a recharge, which was never possible before. The accompanying charger works quickly and efficiently, and the built-in LED indicator on the battery itself is incredibly useful for quickly gauging the remaining charge without having to plug it into the tool or charger. This battery delivers consistent, strong performance and proves you don't always need to buy the expensive OEM part for quality power. If you have an off-brand 21v tool, give this battery a try—it's a high-quality, high-capacity solution. Pros: Perfect fit and compatibility with generic 21v tools. 4.0 Ah capacity delivers excellent, long-lasting run time. Reliable and fast charging. Clear LED indicator for checking battery life.
C**E
Todo bien
Todo bien, cumple con las características
M**S
Excelente
Muy buen producto, incrementa las horas de trabajo del taladro sin tener que estar regresando a cargar.
D**R
The right battery
Reasonably priced and works great.
E**A
Works well
Works better than the origional
Trustpilot
3 weeks ago
1 day ago