Description
Battery model: APP00278
Capacity: 340mAh / 1.29Wh
Rated voltage: 3.8V
Charge limit voltage: 4.2V
Battery type: Li-ion
Compatible with: Montblanc Summit S2T18
Dimensions: 27.20 x 24.30 x 4.50mm
Weight: 6.0g
Package include: 1 x battery
Revitalize your luxury smartwatch with this APP00278 340mAh replacement battery. Compatible exclusively with the Montblanc Summit S2T18, released in October 2018. This high-end timepiece features a 1.2-inch AMOLED display and the Snapdragon Wear 3100 platform. This Li-ion battery delivers the factory-rated 340mAh capacity for daily use, built with grade A cells and multi-layer safety protection against overcharge, over-discharge, and short circuits. CE, RoHS, and UN38.3 certified.
Compatibility Note: Fits Montblanc Summit S2T18 (model S2T18). Please confirm your battery model before ordering — APP00278 printed on your existing battery. This battery is specifically designed for the Summit 2 model, not the original Summit or Summit Lite. For reference, third-party retailers sell this battery for approximately $19-$25. Professional installation is recommended as the watch has a sealed design.
Battery Care Tips: Avoid full discharge — recharge when battery drops below 20%. Do not expose to high temperatures. New batteries require 3-5 full charge cycles to reach optimal capacity. If you notice swelling or overheating, stop use immediately.
✅ Condition: Brand New – Never used, factory-tested quality
✅ 340mAh High Capacity – All-day smartwatch battery life
✅ CE / RoHS / UN38.3 Certified
✅ 90-Day Warranty from delivery – Longer coverage than major platforms
✅ Ships in 3-7 days with tracking
🛡️ Shipping Protection Available at Checkout
✅ PayPal Buyer Protection included
⚠️ Low Stock Alert: Only 8 left in stock. Order now to avoid waiting.
✅ Why Our Warranty Stands Out
Unlike marketplace sellers with short buyer protection windows, we handle claims directly — no automated disputes, no endless back-and-forth.
| Compare | ✅ Qingsm Tech | ⚠️ eBay / AliExpress |
|---|---|---|
| Warranty Period | 90 days from delivery | 15-30 days from order confirmation |
| When It Starts | 📦 Upon delivery | ⚠️ Upon order confirmation (even before you receive it) |
| Claims Handling | We do it directly — email us | Automated dispute system, seller dependent |
| After Window Expires | Still can contact us for support | No recourse, seller can ignore you |
🔋 90-day warranty is the industry standard for replacement batteries. Batteries naturally lose capacity over time — this normal wear is not covered. Warranty applies to manufacturing defects only.
📦 Shipping Cost & Delivery Time ( Economy Shipping from China )
📦 Note: Batteries are classified as hazardous goods and must be shipped via specialized channels, which may take slightly longer than standard couriers. Delivery times are estimates; actual delivery may be affected by customs, weather, or other unforeseen circumstances.
| Destination | Freight (USD) | Est. Delivery Time |
|---|---|---|
| United States | $7.80 | 8-20 days |
| Canada | $6.80 | 18-45 days |
| Mexico | $10.00 | 30-60 days |
| Germany, France, United Kingdom, Greece | $6.50 | 18-45 days |
| Ireland, Austria, Belgium, Poland, Denmark, Switzerland, Portugal, Norway, Slovakia, Spain, Hungary, Italy, Czech Republic, Luxembourg, Netherlands, Sweden, Cyprus | $8.00 | 18-45 days |
| Croatia, Finland, Lithuania, Latvia, Slovenia | $8.00 | 30-60 days |
| Romania | $14.00 | 30-60 days |
| South Korea, Japan, Australia, New Zealand, Israel, Malaysia, Singapore, Thailand, Philippines, Kazakhstan | $7.50 | 18-45 days |
| United Arab Emirates, Saudi Arabia, Vietnam, Chile, Peru, Colombia, Brazil | $18.00 | 25-60 days |
* Delivery times are estimates; actual delivery may be affected by customs or other factors. If your country is not listed, we are currently unable to ship batteries to that destination.
🇧🇷 Note for Brazil: Brazilian customs can occasionally cause delays of up to 80 days or more. And please indicate the recipient’s CPF, as it is required for Brazilian customs and shipping. Thanks ! We appreciate your understanding.
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