# Shanshan Tech Lithium Battery Case: What B2B Buyers Should Know
## Table of Contents
1. [Who is Shanshan Tech?](#who-is-shanshan-tech)
2. [Shanshan Tech Battery Case Product Lines](#shanshan-tech-battery-case-product-lines)
3. [Key Design Considerations for Ebike Battery Cases](#key-design-considerations-for-ebike-battery-cases)
4. [Material Selection: Plastic vs Aluminum](#material-selection-plastic-vs-aluminum)
5. [Waterproof and Protection Standards](#waterproof-and-protection-standards)
6. [From Battery Case to Complete Battery Solution](#from-battery-case-to-complete-battery-solution)
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## Who is Shanshan Tech? {#who-is-shanshan-tech}
When B2B buyers search for electric bike battery components, many encounter name “Shanshan Tech.” But what exactly this company do?
Shanshan Tech, also known as Kunshan Shanshan Electronic Technology Co., Ltd., is manufacturer specializing in lithium battery cases and enclosures. Founded in 1998 and located in Kunshan, Jiangsu Province (just 30 minutes from Shanghai), this company has over 26 years experience in battery housing design and manufacturing.
Key facts about Shanshan Tech:
– **Global leader** in electric bike battery case manufacturing
– **1,172+ customers** worldwide
– Products sold mainly to Japan, Europe, and United States
– Full production capability: product design, mold manufacturing, mass production
– Wide product range: electric bicycles, disabled electric vehicles, electric forklifts, automobiles, medical equipment
Shanshan Tech position in market is clear: they manufacture battery cases and housings, not battery cells or complete battery packs. Their products serve as protective enclosure for battery cells assembled by other manufacturers.
## Shanshan Tech Battery Case Product Lines {#shanshan-tech-battery-case-product-lines}
Shanshan Tech offer extensive range of battery cases for electric bikes. Let me break down their main product categories:
### 1. Hailong Series Battery Cases
Most popular and widely used style. Hailong cases feature distinctive elongated design suitable for:
– Down tube mounting
– Frame-integrated installation
– Various voltage configurations: 36V, 48V
Common models:
– Hailong 36V battery case
– Hailong 48V battery case
– Silver fish style
– Frog style
### 2. Carrier Type Battery Cases
Designed for rear rack mounting:
– Easy installation and removal
– Good for commuter bikes
– Various capacity options
### 3. Inner Battery Cases
For hidden/integrated frame installation:
– Clean aesthetic appearance
– Space-optimized design
– Professional look
### 4. Middle Tube Type Battery Cases
Sleek design fitting inside frame:
– Popular for sport bikes
– Modern appearance
– Good weight distribution
### 5. Folding Bike Battery Cases
Specialized for folding electric bikes:
– Compact dimensions
– Lightweight design
– Space-efficient
### 6. Custom Battery Cases
Shanshan Tech also undertake custom design projects:
– OEM/ODM cooperation
– Unique shapes and sizes
– Specific mounting requirements
## Key Design Considerations for Ebike Battery Cases {#key-design-considerations-for-ebike-battery-cases}
When evaluate battery case manufacturers like Shanshan Tech, B2B buyers should understand key design factors:
### Cell Configuration Space
Battery case must accommodate specific cell arrangement:
**Common configurations:**
– 10S4P (36V): 10 cells in series, 4 parallel
– 13S4P (48V): 13 cells in series, 4 parallel
– 14S5P (52V): 14 cells in series, 5 parallel
Case internal dimensions determine:
– How many cells fit
– Cell type compatibility (18650, 21700, 26650)
– Overall capacity
Shanshan Tech cases support various configurations, from simple 10S4P to complex multi-parallel arrangements.
### Physical Dimensions and Fit
Ebike battery case must fit specific mounting location:
**Measurement considerations:**
– Length, width, height
– Mounting bracket positions
– Cable exit locations
– Connector placement
Common mounting types:
– Down tube (inside main frame triangle)
– Rear rack (on carrier)
– Seat tube (alongside seat post)
– Integrated (built into frame)
### Mounting and Locking
Secure attachment essential for safety:
– Mechanical lock compatibility
– Mounting bracket holes
– Anti-theft features
– Vibration dampening
### Heat Dissipation
Battery generate heat during charge and discharge. Good case design include:
– Aluminum construction for natural cooling
– Ventilation slots
– Thermal pad mounting points
– Heat spreader integration
### Electrical Interface
Case must accommodate:
– Charging port location and type (DC2.1, USB-C)
– Discharge connector (2-pin, 4-pin, custom)
– Power indicator lights
– Lock mechanism wiring
## Material Selection: Plastic vs Aluminum {#material-selection-plastic-vs-aluminum}
Battery case material affect weight, cost, durability, and thermal performance:
### Plastic Cases (ABS/PC+ABS)
**Advantages:**
– Lower cost
– Good electrical insulation
– Easy to mold complex shapes
– Lightweight
– Good impact resistance (if quality material)
**Disadvantages:**
– Poor thermal conductivity
– May warp under high temperature
– Lower structural strength
– Less premium appearance
**Typical use:** Budget ebikes, entry-level products
### Aluminum Cases
**Advantages:**
– Excellent heat dissipation
– High structural strength
– Premium appearance
– Better protection against impact
– Long-term durability
**Disadvantages:**
– Higher cost
– Heavier than plastic
– Requires sealing for waterproofing
– More complex manufacturing
**Typical use:** Mid-to-high-end ebikes, performance bikes
### Hybrid Designs
Some cases combine materials:
– Aluminum frame with plastic end caps
– Plastic housing with aluminum heat sink
– Steel reinforcement in high-stress areas
Shanshan Tech produce both plastic and aluminum battery cases to meet different market requirements.
## Waterproof and Protection Standards {#waterproof-and-protection-standards}
Water and dust protection critical for ebike batteries:
### Understanding IP Ratings
IP (Ingress Protection) rating system:
| Rating | Protection Level |
|——–|—————–|
| IP54 | Basic protection, limited dust, splash resistant |
| IP65 | Complete dust, water jet resistant |
| IP67 | Complete dust, 1m submersion for 30 min |
| IPX4 | Not tested for dust, splash resistant |
| IPX6 | Not tested for dust, powerful water jets |
### Design Features for Waterproofing
**Sealing methods:**
– Silicone gaskets at all seams
– Epoxy potting for connectors
– Waterproof breathing valves
– Double O-ring seals
**Critical points:**
– Charging port (always potential leak point)
– Wire exit holes
– Button/access openings
– Lock cylinder
### Shock and Vibration Protection
Ebike batteries face constant vibration:
– Road vibration during riding
– Impact during transport
– Drop risk
Protection measures:
– Rubber mounting pads
– Vibration dampeners
– Reinforced corners
– Secure cell retention
## From Battery Case to Complete Battery Solution {#from-battery-case-to-complete-battery-solution}
Here is important distinction many buyers miss:
**Shanshan Tech makes battery cases, not complete batteries.**
Battery case is just housing. To get working ebike battery, you need:
1. **Battery cells** (18650, 21700, etc.) from cell manufacturers
2. **BMS (Battery Management System)** for protection and communication
3. **Assembly** – welding cells, connecting BMS
4. **Testing** – charge/discharge cycles, safety verification
5. **Certification** – UN38.3, CE, etc.
This is why many B2B buyers source battery cases from Shanshan Tech, then need separate manufacturer to complete battery assembly.
### Two Common Business Models
**Model 1: Case + DIY Assembly**
– Purchase cases from Shanshan Tech
– Source cells and BMS separately
– Assemble in-house (requires equipment and expertise)
**Model 2: Complete Battery from OEM/ODM**
– Work with manufacturer like Flion Power
– Manufacturer handles case sourcing, cell procurement, assembly
– Get finished, certified battery ready for product
### Why Work with Complete Battery Manufacturer?
For most B2B buyers, complete battery solution more practical:
– **One supplier responsibility** for entire battery
– **Quality control** from cells to finished product
– **Certification support** for international markets
– **Warranty handling** through single point of contact
– **Technical support** for integration
At Flion Power, we offer complete electric bike lithium battery solutions. While we can incorporate quality battery cases from manufacturers like Shanshan Tech, we handle everything else:
– Cell sourcing (NCM, LFP, various brands)
– Professional assembly with BMS integration
– Complete testing and quality verification
– International certifications
– Custom design for your specific requirements
If your project need electric bike lithium battery with reliable housing design and complete battery solution, [contact Flion Power](https://www.flionpower.com/electric-bike-lithium-ion-battery-manufacture/). We provide end-to-end service from design consultation to finished product delivery.
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**Meta Description:** Learn about Shanshan Tech battery case products for electric bikes. Understand ebike battery housing design, materials, waterproof ratings, and how to get complete battery solution.
**Tags:** Shanshan Tech, battery case, ebike battery housing, electric bike battery enclosure, battery case manufacturer, Hailong battery case
