FedEx-REST - Rates Lithium Battery

{
  "carrier": "FedEx-REST",
  "action": "getallrates",
  "params": {
    "test": true,
    "account_number": "1234567890",
    "key": "your-key-from-authenticate-request",
    "packages": [
      {
        "weight": 15,
        "length": 10,
        "width": 10,
        "height": 10,
        "battery": {
          "type": "LITHIUM_ION",
          "packing_type": "PACKED_WITH_EQUIPMENT"
        }
      }
    ],
    "shipper": "My Company",
    "ship_addr1": "123 Main St",
    "ship_city": "Whitehall",
    "ship_state": "MT",
    "ship_code": "59759",
    "ship_country": "US",
    "to_country": "US",
    "to_state": "CA",
    "to_city": "Beverly Hills",
    "to_code": "90210"
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'FedEx-REST',
  'action' => 'getallrates',
  'params' => 
  array (
    'test' => true,
    'account_number' => '1234567890',
    'key' => 'your-key-from-authenticate-request',
    'packages' => 
    array (
      0 => 
      array (
        'weight' => 15,
        'length' => 10,
        'width' => 10,
        'height' => 10,
        'battery' => 
        array (
          'type' => 'LITHIUM_ION',
          'packing_type' => 'PACKED_WITH_EQUIPMENT',
        ),
      ),
    ),
    'shipper' => 'My Company',
    'ship_addr1' => '123 Main St',
    'ship_city' => 'Whitehall',
    'ship_state' => 'MT',
    'ship_code' => '59759',
    'ship_country' => 'US',
    'to_country' => 'US',
    'to_state' => 'CA',
    'to_city' => 'Beverly Hills',
    'to_code' => '90210',
  ),
)
);

rs.request(
  {'action': 'getallrates',
 'carrier': 'FedEx-REST',
 'params': {'account_number': '1234567890',
            'key': 'your-key-from-authenticate-request',
            'packages': [{'battery': {'packing_type': 'PACKED_WITH_EQUIPMENT',
                                      'type': 'LITHIUM_ION'},
                          'height': 10,
                          'length': 10,
                          'weight': 15,
                          'width': 10}],
            'ship_addr1': '123 Main St',
            'ship_city': 'Whitehall',
            'ship_code': '59759',
            'ship_country': 'US',
            'ship_state': 'MT',
            'shipper': 'My Company',
            'test': True,
            'to_city': 'Beverly Hills',
            'to_code': '90210',
            'to_country': 'US',
            'to_state': 'CA'}}

)

rs.request(
  {"carrier"=>"FedEx-REST",
 "action"=>"getallrates",
 "params"=>
  {"test"=>true,
   "account_number"=>"1234567890",
   "key"=>"your-key-from-authenticate-request",
   "packages"=>
    [{"weight"=>15,
      "length"=>10,
      "width"=>10,
      "height"=>10,
      "battery"=>
       {"type"=>"LITHIUM_ION", "packing_type"=>"PACKED_WITH_EQUIPMENT"}}],
   "shipper"=>"My Company",
   "ship_addr1"=>"123 Main St",
   "ship_city"=>"Whitehall",
   "ship_state"=>"MT",
   "ship_code"=>"59759",
   "ship_country"=>"US",
   "to_country"=>"US",
   "to_state"=>"CA",
   "to_city"=>"Beverly Hills",
   "to_code"=>"90210"}}

)

rocketshipit.request(
  {
  "carrier": "FedEx-REST",
  "action": "getallrates",
  "params": {
    "test": true,
    "account_number": "1234567890",
    "key": "your-key-from-authenticate-request",
    "packages": [
      {
        "weight": 15,
        "length": 10,
        "width": 10,
        "height": 10,
        "battery": {
          "type": "LITHIUM_ION",
          "packing_type": "PACKED_WITH_EQUIPMENT"
        }
      }
    ],
    "shipper": "My Company",
    "ship_addr1": "123 Main St",
    "ship_city": "Whitehall",
    "ship_state": "MT",
    "ship_code": "59759",
    "ship_country": "US",
    "to_country": "US",
    "to_state": "CA",
    "to_city": "Beverly Hills",
    "to_code": "90210"
  }
}
)