Description
Battery model: EB-BR900ABY (Replaces GH43-05112A)
Capacity: 284mAh / 1.1Wh (Typical) | 276mAh (Rated)
Rated voltage: 3.88V
Charge limit voltage: 4.35V
Battery type: Li-ion
Compatible with: Samsung Galaxy Watch 5 40mm (SM-R900, SM-R900F, SM-R900N, SM-R905, SM-R905F, SM-R905U), Galaxy Watch 5 40mm all carrier variants
Package include: 1 x battery
Restore the full performance of your Samsung Galaxy Watch 5 40mm with this EB-BR900ABY 284mAh replacement battery. The Galaxy Watch 5 40mm was released in August 2022, featuring a 1.2-inch Super AMOLED display, sapphire crystal glass, and IP68 dust/water resistance — rated for submersion up to 1.5 meters for 30 minutes. This Li-ion battery delivers the factory-rated capacity, supporting continuous health tracking, sleep monitoring, notifications, and workouts without daily recharging. The watch supports WPC-based wireless charging — when charged for 30 minutes with the included 5V/2A charger, the battery reaches approximately 45% capacity.
Built with high-quality Grade A Li-ion cells and multi-layer safety protection against overcharge, over-discharge, short circuit, and overcurrent. CE, RoHS, and UN38.3 certified for safe transport and use. For reference, third-party retailers sell this battery for approximately $12 to $36. Professional installation is strongly recommended as the watch has a sealed design with IP68 water resistance — proper resealing with fresh adhesive is required to maintain water resistance after replacement.
Compatibility Note: Please power down your device and check your original battery label before ordering. Ensure the model number printed matches EB-BR900ABY. This battery is compatible with Samsung Galaxy Watch 5 40mm SM-R900, SM-R900F, SM-R900N, SM-R905, SM-R905F, SM-R905U, and all carrier variants of the 40mm model. NOT compatible with Galaxy Watch 5 Pro (44mm) or the larger 44mm version — those use EB-BR910ABY with 397mAh capacity. Professional installation is strongly recommended — the watch has a sealed design requiring careful opening and proper resealing to maintain IP68 water resistance.
Battery Care Tips: Avoid full discharge — keep battery level above 20%. Do not expose to high temperatures or direct sunlight. New batteries require 3-5 full charge cycles to reach optimal capacity. For best charging performance, use the original Samsung wireless charger that came with your watch. If you don’t use the watch for a long time, store it in a dry and cool place and charge it fully once every three months. If you notice swelling or overheating, stop use immediately.
✅ Condition: Brand New – Never used, factory‑tested quality
✅ 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
✅ 100% Compatibility Guarantee – If it doesn’t fit, we’ll refund you. No questions asked.
⚠️ 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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