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🔋 Charge Ahead with Confidence – Power That Keeps You Moving!
The SHINTYOOL 21V 4.0 Ah Lithium-Ion Battery delivers reliable, high-capacity power compatible with a wide range of major brand power tools. Featuring a universal 100-240V charger with LED status indicator and advanced multi-protection safety system, it ensures long-lasting performance and peace of mind. Lightweight and rechargeable, this battery is backed by a 1-year warranty and a customer-first satisfaction guarantee.








| ASIN | B0BF9DBLC2 |
| Amperage | 1 A |
| Antenna Location | Power Tool |
| Battery Capacity | 4 amp_hours |
| Battery Cell Type | Lithium |
| Battery Weight | 1.3 pounds |
| Best Sellers Rank | #26,014 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #216 in Cordless Tool Battery Packs |
| Brand | SHINTYOOL |
| Compatible Phone Models | For ALLOYMAN, Aoben, seesill, EWORK, Inquire to learn more about compatible brands. |
| Customer Reviews | 4.4 4.4 out of 5 stars (926) |
| Item Weight | 9 ounces |
| Manufacturer | SHINTYOOL |
| Model Name | 4.0ah Li-ion Battery |
| Model Number | 4.0AH |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 21 |
| Warranty Description | 1 yera |
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