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3.7V Li-ion Rechargeable Battery 1S2P/1S3P/1S4P 4.4-14Ah for Portable Powerbank Trimble Nomad
3.7V Li-ion Rechargeable Battery 1S2P/1S3P/1S4P 4.4-14Ah for Portable Powerbank Trimble Nomad
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3.7V Li-ion Rechargeable Battery Pack — 1S2P / 1S3P / 1S4P | 4.4Ah ~ 14.0Ah
High-capacity 3.7V lithium-ion rechargeable battery pack built with premium 18650 cells. Available in three parallel configurations — 1S2P (2 cells), 1S3P (3 cells), and 1S4P (4 cells) — covering capacities from 4.4Ah to 14.0Ah. Designed as a direct replacement or upgrade for portable powerbanks, Trimble Nomad handheld devices, RFID M3 readers, DR2-5, Ridgeway 805, and other 3.7V single-cell applications. Available in FMA and Panasonic cell options.
Package Contents
- 1 × 3.7V Li-ion Rechargeable Battery Pack (configuration and capacity as selected)
Key Specifications
- Nominal Voltage: 3.7V (1S)
- Full Charge Voltage: 4.2V
- Discharge Cut-off: 2.75V
- Cell Type: 18650 (⌀18 × 65mm per cell)
- Connector: easy install Ni-plated tabs
- Condition: Brand New
- HS Code: 850760
All Variants — Configuration & Capacity Guide
1S2P — 2 × 18650 cells in parallel
| SKU | Config | Capacity | Cell Brand | Dimensions (mm) |
|---|---|---|---|---|
| FL4400-FMA86C1S2PBT | 1S2P | 4.4Ah | FMA | 18x36x65mm |
| FL5200-FMA86C1S2PBT | 1S2P | 5.2Ah | FMA | 18x36x65mm |
| FL6600-FMA86C1S2PBT | 1S2P | 6.6Ah | FMA | 18x36x65mm |
| FL7000-FMA86C1S2PBT | 1S2P | 7.0Ah | FMA | 18x36x65mm |
| FL7000-PGA86C1S2PBT | 1S2P | 7.0Ah | ⭐ Panasonic | 18x36x65mm |
1S3P — 3 × 18650 cells in parallel
| SKU | Config | Capacity | Cell Brand | Dimensions (mm) |
|---|---|---|---|---|
| FL6600-FMA86C1S3PT | 1S3P | 6.6Ah | FMA | 18x54x65mm |
| FL7800-FMA86C1S3PT | 1S3P | 7.8Ah | FMA | 18x54x65mm |
| FL9900-FMA86C1S3PBT | 1S3P | 9.9Ah | FMA | 18x54x65mm |
| FL10500-FMA86C1S3PT | 1S3P | 10.5Ah | FMA | 18x54x65mm |
| FL10500-PGA86C1S3PBT | 1S3P | 10.5Ah | ⭐ Panasonic | 18x54x65mm |
1S4P — 4 × 18650 cells in parallel
| SKU | Config | Capacity | Cell Brand | Dimensions (mm) |
|---|---|---|---|---|
| FL8800-FMA86C1S4PBT | 1S4P | 8.8Ah | FMA | 18x72x66mm |
| FL10400-FMA86C1S4PBT | 1S4P | 10.4Ah | FMA | 18x72x66mm |
| FL13200-FMA86C1S4PBT | 1S4P | 13.2Ah | FMA | 18x72x66mm |
| FL14000-FMA86C1S4PBT | 1S4P | 14.0Ah | FMA | 18x72x66mm |
| FL14000-PGA86C1S4PBT | 1S4P | 14.0Ah | ⭐ Panasonic | 18x72x66mm |
⭐ Panasonic cell variants offer premium grade quality with higher cycle life and reliability.
Note: Dimensions are approximate. Please verify against your device's battery compartment before ordering.
How to Choose the Right Configuration
- 1S2P (4.4–7.0Ah): Compact and lightweight — ideal for slim powerbanks and space-constrained devices
- 1S3P (6.6–10.5Ah): Balanced capacity and size — the most popular choice for Trimble Nomad and field devices
- 1S4P (8.8–14.0Ah): Maximum capacity — best for high-drain applications or extended field use without recharging
- FMA cells: Cost-effective, reliable everyday performance
- Panasonic cells: Premium grade, superior cycle life and consistency — recommended for professional use
Compatible Devices
- Portable powerbanks (single-cell 3.7V design)
- Trimble Nomad handheld computers
- RFID M3 readers
- DR2-5 equipment
- Ridgeway 805 devices
- GPS and surveying equipment
- Field data collection handhelds
- Other 3.7V single-cell (1S) Li-ion battery applications

Safety Information
Charging: Use only approved chargers designed for 3.7V Li-ion batteries (4.2V max charge voltage). Do not overcharge or leave unattended during charging. Stop immediately if the battery becomes excessively hot, swells, or emits unusual odors.
Storage: Store in a cool, dry place away from direct sunlight and heat sources. Keep at 40–60% charge for long-term storage. Recharge every 3–6 months if not in use.
Operation: Do not short-circuit, crush, puncture, disassemble, or expose to fire. Avoid extreme temperatures during use. Discontinue use if the battery shows signs of damage, swelling, or leakage.
Temperature: Charging: 0°C to 45°C. Discharging: -20°C to 60°C. Storage: -20°C to 35°C.
Handling: Keep away from children and pets. Do not modify the battery pack.
Inspection: Inspect before each use. Do not use if the casing is cracked, connector is damaged, or battery appears swollen.
Shipping & Transportation Notice
This product contains lithium-ion cells and is classified as dangerous goods (Class 9) for transportation purposes.
- Air Transport: Subject to IATA Dangerous Goods Regulations. May be restricted or prohibited on certain air routes.
- Packaging: Shipped in compliance with UN3481 regulations with proper protective packaging to prevent short circuits.
- Delivery Time: Due to battery shipping restrictions, delivery may take longer than standard shipments for international orders.
- Documentation: Required safety data sheets and dangerous goods declarations are included where required.
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