Specifications:

[Aluminum alloy body] 10 batteries +2 batteries 1 chain 1 charge

[Aluminum alloy body] 10 batteries +2 batteries, 2 chains and 2 charges

[Aluminum alloy body] 10 batteries +4 batteries 2 Chains 2 charge

[Aluminum alloy body] 10 batteries +4 batteries 2 chains 4 charge

[Aluminum alloy body] 15 batteries +2 batteries 1 chain 1 charge

[Aluminum alloy body] 15 batteries +2 batteries, 2 chains and 2 charges

[Aluminum alloy body] 15 batteries +4 batteries 2 Chains 2 charges

[Aluminum alloy body] 15 batteries +4 batteries 2 chains 4 charging

[Aluminum alloy body] 20 batteries +2 batteries 1 chain 1 charge

[Aluminum alloy body] 20 batteries +2 batteries, 2 chains and 2 charges

[Aluminum alloy body] 20 batteries +4 batteries 2 Chains 2 charges

[Aluminum alloy body] 20 batteries +4 batteries 2 chains 4 charge

[Caution is recommended] bare metal does not contain batteries and chargers