EM8 Battery Pack – B Hidden Down-Tube 36V/48V Li-ion
EM8 Battery Pack — Hidden Down-Tube
A fully hidden down-tube battery pack custom-designed for the EM8 e-bike frame. Built by QingNian with up to 52 CN18650 Li-ion cells, it integrates seamlessly inside the down-tube with no external brackets, preserving the bike's aesthetics and balance. A down-taken system with double lock makes charging easy while adding theft protection, and CE / UN38.3 certification keeps it compliant for safe transport. Choose 36 V 16 Ah (~576 Wh) for range or 48 V 13 Ah (~624 Wh) for power — all at a light ~3.4 kg.
Key Features
- ▪ Custom-Fit for EM8 Frames — designed to fit perfectly inside the EM8's down-tube without external brackets.
- ▪ CN18650 Li-ion Cells (up to 52) — combines high energy density with long cycle life for extended riding range.
- ▪ Dual Voltage Options — 36 V 16 Ah (~576 Wh) for range or 48 V 13 Ah (~624 Wh) for stronger acceleration and climbing.
- ▪ Fully Hidden Mounting — integrates into the frame, preserving the bike's aesthetics and balance.
- ▪ Down-Taken System & Double Lock — easy removal for charging or maintenance with enhanced theft protection.
- ▪ CE & UN38.3 Certified — meets international electrical safety and battery transport regulations.
Specifications
| Brand | QingNian |
| Compatibility | EM8 e-bike frame |
| Mounting Type | Fully hidden in the frame down-tube |
| Removal & Locking | Down-taken system with double lock |
| Battery Cells | CN18650 Li-ion, up to 52 cells |
| Chemistry | Lithium-ion (Li-ion) |
| Range Option | 36 V 16 Ah (27.5–42 V) — ~576 Wh |
| Power Option | 48 V 13 Ah (36–54.6 V) — ~624 Wh |
| Charging Time | 5–6 h (3A, DC 2.1 mm connector) |
| Certifications | CE, UN38.3 |
| Weight | Approx. 3.4 kg |
What's in the Box
- EM8 hidden down-tube battery pack
- Charger (3A, DC 2.1 mm connector)
We reserve the right to make changes to product information at any time without prior notice, including specifications, models, colors, and materials.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
EM8 Battery Pack – B Hidden Down-Tube 36V/48V Li-ion
EM8 Battery Pack – B Hidden Down-Tube 36V/48V Li-ion
EM8 Battery Pack — Hidden Down-Tube
A fully hidden down-tube battery pack custom-designed for the EM8 e-bike frame. Built by QingNian with up to 52 CN18650 Li-ion cells, it integrates seamlessly inside the down-tube with no external brackets, preserving the bike's aesthetics and balance. A down-taken system with double lock makes charging easy while adding theft protection, and CE / UN38.3 certification keeps it compliant for safe transport. Choose 36 V 16 Ah (~576 Wh) for range or 48 V 13 Ah (~624 Wh) for power — all at a light ~3.4 kg.
Key Features
- ▪ Custom-Fit for EM8 Frames — designed to fit perfectly inside the EM8's down-tube without external brackets.
- ▪ CN18650 Li-ion Cells (up to 52) — combines high energy density with long cycle life for extended riding range.
- ▪ Dual Voltage Options — 36 V 16 Ah (~576 Wh) for range or 48 V 13 Ah (~624 Wh) for stronger acceleration and climbing.
- ▪ Fully Hidden Mounting — integrates into the frame, preserving the bike's aesthetics and balance.
- ▪ Down-Taken System & Double Lock — easy removal for charging or maintenance with enhanced theft protection.
- ▪ CE & UN38.3 Certified — meets international electrical safety and battery transport regulations.
Specifications
| Brand | QingNian |
| Compatibility | EM8 e-bike frame |
| Mounting Type | Fully hidden in the frame down-tube |
| Removal & Locking | Down-taken system with double lock |
| Battery Cells | CN18650 Li-ion, up to 52 cells |
| Chemistry | Lithium-ion (Li-ion) |
| Range Option | 36 V 16 Ah (27.5–42 V) — ~576 Wh |
| Power Option | 48 V 13 Ah (36–54.6 V) — ~624 Wh |
| Charging Time | 5–6 h (3A, DC 2.1 mm connector) |
| Certifications | CE, UN38.3 |
| Weight | Approx. 3.4 kg |
What's in the Box
- EM8 hidden down-tube battery pack
- Charger (3A, DC 2.1 mm connector)
We reserve the right to make changes to product information at any time without prior notice, including specifications, models, colors, and materials.
Original: $439.00
-65%$439.00
$153.65Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
EM8 Battery Pack — Hidden Down-Tube
A fully hidden down-tube battery pack custom-designed for the EM8 e-bike frame. Built by QingNian with up to 52 CN18650 Li-ion cells, it integrates seamlessly inside the down-tube with no external brackets, preserving the bike's aesthetics and balance. A down-taken system with double lock makes charging easy while adding theft protection, and CE / UN38.3 certification keeps it compliant for safe transport. Choose 36 V 16 Ah (~576 Wh) for range or 48 V 13 Ah (~624 Wh) for power — all at a light ~3.4 kg.
Key Features
- ▪ Custom-Fit for EM8 Frames — designed to fit perfectly inside the EM8's down-tube without external brackets.
- ▪ CN18650 Li-ion Cells (up to 52) — combines high energy density with long cycle life for extended riding range.
- ▪ Dual Voltage Options — 36 V 16 Ah (~576 Wh) for range or 48 V 13 Ah (~624 Wh) for stronger acceleration and climbing.
- ▪ Fully Hidden Mounting — integrates into the frame, preserving the bike's aesthetics and balance.
- ▪ Down-Taken System & Double Lock — easy removal for charging or maintenance with enhanced theft protection.
- ▪ CE & UN38.3 Certified — meets international electrical safety and battery transport regulations.
Specifications
| Brand | QingNian |
| Compatibility | EM8 e-bike frame |
| Mounting Type | Fully hidden in the frame down-tube |
| Removal & Locking | Down-taken system with double lock |
| Battery Cells | CN18650 Li-ion, up to 52 cells |
| Chemistry | Lithium-ion (Li-ion) |
| Range Option | 36 V 16 Ah (27.5–42 V) — ~576 Wh |
| Power Option | 48 V 13 Ah (36–54.6 V) — ~624 Wh |
| Charging Time | 5–6 h (3A, DC 2.1 mm connector) |
| Certifications | CE, UN38.3 |
| Weight | Approx. 3.4 kg |
What's in the Box
- EM8 hidden down-tube battery pack
- Charger (3A, DC 2.1 mm connector)
We reserve the right to make changes to product information at any time without prior notice, including specifications, models, colors, and materials.
