
This battery is compatible with many models of Bosch power tools, so we prepared two different bottom covers for you to install according to your tool model, and it's easy, never mind.
Specifications
- Voltage: 4V
- Capacity: 3500mAh
- Gross Weight: 84g per battery with package
- FCC, CE and RoHS certified, 100% compatible with the originals and may exceed the performance of OEM products
- No memory effect, can be charged or discharged as needed without loss of capacity
- Safeguard features against incorrect voltage, short circuit or internal overheating
Replace
- Milwaukee: 48-11-2001, M4B2, 4932430098, 4002395377596
Fit for
- Milwaukee: 2101-20 M4, 45242298150 M4, M4 1/4, M44V
Package Includes
- 1x 3.5Ah 4V Li-ion Battery for Milwaukee 48-11-200,M4,M41/4,2101-20,45242298150
Note
- It's recommended that the battery should be fully charged and discharged 3 times after you receive the battery.
- For transport safety, our batteries are not fully charged before leave the factory.
- After use, please charge the battery after cooling.
Frequently Asked Questions
Q: Are SHENTEC batteries as good as the original (OEM) ones?
Q: Are SHENTEC batteries as good as the original (OEM) ones?
A: Yes! SHENTEC batteries are designed to meet or exceed the original manufacturer's specifications. We use high-quality cells and are CE/FCC/RoHS certified to ensure the same performance and safety at a more affordable price.
Q: Will using a SHENTEC battery void my tool's warranty?
Q: Will using a SHENTEC battery void my tool's warranty?
A: Generally, no. Using a high-quality third-party battery does not void your tool's warranty in most regions (like the US under the Magnuson-Moss Warranty Act). We ensure 100% electronic and physical compatibility.
Q: How do I choose the correct battery for my model?
Q: How do I choose the correct battery for my model?
A: Please check your original battery's Part Number or your tool's Model Number. You can use the "Search" bar on our website or contact our support team to double-check compatibility before purchasing.
Q: What does "Ah" mean? Can I use a higher Ah battery?
Q: What does "Ah" mean? Can I use a higher Ah battery?
A: "Ah" (Amp-hour) refers to the battery's capacity (how long it lasts). You can use a higher Ah battery (e.g., replacing a 2.0Ah with a 5.0Ah); it will provide longer runtime per charge without damaging your tool.
Q: How many cycles can I expect from a SHENTEC battery?
Q: How many cycles can I expect from a SHENTEC battery?
A: Our batteries are built for longevity, supporting up to 1,200 fast-charge cycles. With proper care, they can serve you for years.
Q: How should I store my battery if I’m not using it?
Q: How should I store my battery if I’m not using it?
A: Store it in a cool, dry place. For long-term storage, keep the battery at 40%–60% charge. Our batteries feature low self-discharge, retaining about 70% power even after 3 years of storage.
Q: Does the battery have safety protections?
Q: Does the battery have safety protections?
A: Absolutely. Every SHENTEC battery has a built-in Smart Protection System that guards against overcharging, over-discharging, short-circuits, and overheating.
Q: Why does my new battery arrive with a partial charge?
Q: Why does my new battery arrive with a partial charge?
A: For safety during shipping, batteries are usually charged to about 30%. We recommend fully charging your battery before its first use to calibrate the cells.
Q: How long does shipping take?
Q: How long does shipping take?
A: We ship from our local warehouses in the USA, Germany, UK, and Australia. Most orders are delivered within 3-5 business days.
Q: What is your return policy?
Q: What is your return policy?
A: We offer a 30-Day FREE Return & Replacement policy for any reason. If you ordered the wrong model or are not satisfied, we’ve got you covered.
Q: What is the warranty period?
Q: What is the warranty period?
A: All SHENTEC products come with a 12-Month Limited Warranty. If the product fails due to a manufacturing defect within one year, we will provide a free replacement.
Q: What should I do if my battery won't charge?
Q: What should I do if my battery won't charge?
A: First, ensure the charger is compatible and the contacts are clean. If it still doesn't work, contact us at sales@shentec.com with your order ID, and we will help you troubleshoot or send a replacement.